Thursday, June 6, 2019
Natural habitat Essay Example for Free
Natural home ground EssayGibson and recorded that, of the 36 participants, 27 infants apparent motiond off the centre board. Of this 27 only 3 crossed onto the deep side. These results strongly suggest that almost all babies, at the age of mobility nonplus abstruseness perception abilities. They noniced that most of the infants crawling away from the deep side or cried when called to their mothers. Some infants even touched or patted the glass surface, so they knew that it was solid, but still refused to cross onto it. This is evidence for the idea that humans ar particularly visual creatures even if our other senses are telling us otherwise, we are the likes ofly to rely strongly on our vision. Gibson and Walk likewise noned that several babies moved onto the glass accidentally when trying to move away from it, which shows that accidents like falling off a cliff face leave still occur even if the baby has reason perception as they are not as aware of their bodies as ad ults.Due to the fact that the children were required to be mobile, and this meant the minimum age was six months, Gibson Walk had to use animals as control groups to indorse that the babies had not simply learnt depth perception in their first five months through experience and observation in their environment. Animals such as turtles, rats, cats, lambs, kittens, chicks and kids were used. The results of the chicks, kids and lambs were particularly grievous as all of these animals are precocial and would sport had little opportunity in the few hours between birth and being tested to develop depth perception.The chicks, which were all tested within 24 hours of birth all moved onto the shallow side and none crossed over to the deep side. Both kids and lambs alike did not step onto the deep side once, and when placed onto the deep side, became distressed and froze still. Rats however, who use their whiskers to navigate, saw little or no preference for both side. This is because th ey are nocturnal and completely rely on their vibrissae to comprehend their environment. They also found that when the centre board was placed high enough that they could not bring in it with their vibrissae, the rats avoided the deep side, showing much more preference for the shallow side.Kittens at four weeks, displayed the same reactions as the lambs, chicks and kids and Gibson and Walk also used dark-reared kittens to investigate the development of the visual system. Kittens that were reared in the dark for the first 27 days of life showed no discrimination between either side. However, when kept in normal lighter conditions, they gained normal depth perception after only one week.Turtles were also tested. Although it was hypothesised that turtles may be attracted to the shiny surface of the glass over the deep side, believe it to resemble water, the turtles also showed levels of depth perception. However, only 76% of turtles managed to avoid the deep side. This large minorit y suggests that turtles have poor depth perception as a species. This is probably due to their natural habitat they are less at risk from a fall due to the fact that they spend a volume of their time under water. It is also possible that their depth perception is slightly different to land animals, as they are used to perceiving depths under water, in which distances will appear slightly different.Kids were also used in an alternative test in which they were placed on the shallow side of the glass. The goats appeared fine to stand and move across the surface however when the pattern was lowered, the goats became distressed and froze as soon as it was more than a foot below. The kids never learnt that the glass was solid and hence safe to stand on, no matter how long they stood on the deep side.Six main conclusions can be draw from this study human babies have depth perception by the time they are mobile but it is possible this is through experience in their environment before this point. This study also supports the nativist view that we are born with the ability to perceive depth and that the visual system just has to develop for this to be fully functioning (although it does not prove that depth perception is innate).Findings usually fit with the life history and ecological place of the animal being studied (for example, dark reared cats visual systems had not yet developed properly). All animals tested showed depth perception by the age of mobility. Habitat can affect our ability to perceive depth, for example, turtles, whose natural habitat does not require particularly accurate depth perception, show much lower levels of depth perception than other land animals. Studies with rats in which the experimenter changed the size and reach of the pattern to eliminate certain cues suggested that shape and motion cues need to develop over time whereas motion parallax is innate (supported by Yonas et als study into babies depth perception in photographs).
Science Research Paper Essay Example for Free
Science Research Paper EssayANALYSISWhat would happen if the experiment was tell by baking the bread at high temperatures again before starting the experiment? The experiment wad be repeated using variant types of food like biscuits or cooked rice. It is observed that the 1st bread slice with a few drops of peeing and kept in the dark space had started to beget deflect the fastest. The 5th bread slice that was kept in the refrigerator took the longest for the swan to appear. CONCLUSIONThe hypothesis that bread mold will generate faster in warm and damp environment is proven to be true. run will grow fast on bread in wet and warm conditions. Bread should be kept in dark, dry and cool places for it to last longer. Bread can also last longer if stored in the fridge or in airtight containers. Mold is an annoyance when it comes to storing food, but it has its usefulness too. Molds help in the decomposing process of decaying animals and constitutes. Penicillium is used in ph armaceutical make water to produce medicine.RESEARCHTEMPERATUREDefinition Temperature is the difference between hot and cold. It is measured on a standard scale. It is a numeric measuring rod of hotness and coldness. The measurement is based on a flow of heat between two connected objects. One of the most earthy scales of temperature is Celsius.Low Temperature wargonhousingLow Temperature storage (LTS) is what refrigeration and freezing is called. LTS is very effective in slowing the process of spoilage. It also take into accounts longer storage. Refrigeration doesnt cause change to the food but does allow microorganisms to form after a while. Freezing can cause chemical change if the food has not yet been frozen and it goes into the freezer before being treated. After it has been treated it is called quick freezing. Freezing the food before the food has been treated is called slow freezing. Slow freezing causes the substance to leak fluids. super C grand is a fundamental phys ical quality that is based on the position above or below 273.16K. It is called the triple point of water. Kelvin is the temperature at which water, ice, and water vapor coexist together. Zero degree k is the absolute lowest temperature at which no energy motion of molecules is made. Kelvin is named after William Thompson, Lord Kelvin a British physicist. He introduced this absolute thermodynamic scale in 1848. There argon some limits as to how low the temperature can get, but as far as scientists know there isnt a limit as to how high it can get.The lowest temperature that is known is ?273.15 C.MOLD GROWTHDefinitionMold is a multi-celled woolly growth made up of microscopic spore colonies, that lives off of dead matter, and form when contact is made with sufficient food. After landing mold attacks its prey with a coating of slime that helps break the food down into small partials. Mold absorbs water and eats carbohydrates such as sugars and fats. There are approximately iodin hund red thousand known species of mold and scientists think that there are as manyas two hundred thousand. 4 main typesPenicilliumPenicillium is most of the blue and green molds. This particular group of molds contains an antibiotic drug, the same drug that is engraft in Penicillin. In feature it is what lead to the production of Penicillin. The drug found in it is so strong that inhaling it can cause severe damage to the lung.RhizopusRhizopus is a type of bread mold. It is in general the black molds. They have individual(a) tube like hyphea structures instead of many web-like structures. They are widely distributed instead of grouped together like most early(a) molds.AspergilliusAspergillius are the green colored molds. There are about eighty forms of Aspergillius and over half of them are hazardous and can cause respiratory disorders. Aspergillius is atomic number 53 of the only types of molds that completely smothers its food.MuconMucon is the group of white molds. There are ov er three hundred fifty forms of mold that fit into this group. One of the most ordinarily seen molds from this group is Mucor mucedo, which is a pin mold.MOLD RELATED PROBLEMSAllergic DisordersAllergic disorders may result from an immune mechanism shut down. Antibiotics can medicate them, quick types are more life threatening than others and can cause systematic shock. Allergies can result in hives or angioedema, a delayed response is a generalized rash.Harmful pathogensPathogens can harm the human body in many ways. One is through the manufacturing of toxic products (toxins) that are produced by life-time organisms, either exotoxins or endotoxins. Exotoxins are released onto the surrounding area and contain extremely potential protein compounds that demonstrate selectivity with regards to the site and mode of the attack. Endotoxins are only released when the organism that produced it is unkept up and only then is it harmful if eaten.Defense AgainstIn order to defend themselves from this harm, humans and animals have developed a set of complex defense team mechanisms, the most special K of these systems defend the bodies eternal and external surfaces.ControllingIn spite of defense efforts bacterial contagions are often harmful or make up fatal. Therefore finding other defense methods is critically important to maintaining good health.SUMMARYMold spores are generative structures of filamentous fungi (molds). A single microscopic mold filament, called a hypha, forms a mat that is called a mycelium. Mycelia are visible without a microscope. Molds are very common organisms and can be found where there is moisture, oxygen, and food they need. Molds can be seen on bread, cheese, or fruit. Hot spots of mold growth can be found in basements and bathrooms (especially exhibitor stalls), house plants, and withal air conditioners. Molds grow on fallen leaves, rotting logs, certain grasses, and weeds. They also can be found in barns, dairies, bakeries, and greenho uses. The mold mycelium produces reproductive branches above the surface of the mold. These branches carry spores called conidia that function in distribution of mold by air, water, and animals. Among different molds, sporesemployed in asexual reproductionvary in size, shape, and color.Each spore can modernise to start a new mold, which in turn produces million of spores. Spores are very tough structures they are resistant to drying, freezing, heating, and some chemicals. The majority of the mold spores are disseminated by air. A sample of air may contain up to 2million spores per cubic meter, but on average, about 10,000 spores inhabit one cubic meter of air. The amount of mold spores in the air in some areas is greater than the amount of pollen. Certain types of mold spores can cause motley allergic reactions in humans, such as irritations of the eyes, nose, and throat. About 20 to 30 percent of the population develops allergic responses after exposure to these mold spores. The most common allergenic spores in the United States are Alternaria cladosporium, Aspergillus, Fusarium, Mucor, Rhizopus, and Penicillium. In some people, exposure to mold spores leads to asthma (Madigan, 2009).Some mold spores, if they reach lungs, can cause infections called mycoses. systemic mycoses are the most serious category of mold infection. The host becomes infected by inhaling spores that germinate in the lungs. In the United States, two of the most common mold infections of that type are coccidioidomycosis, caused by Coccidioides immitis, and histoplasmosis, caused by Histoplasma capsulatum. Mild coccidioidomycosis may go unnoticed or produce symptoms similar to those of pneumonia or tuberculosis (Madigan, 2009). The human immune system normally destroys mold spores and neutralizes mold infections. In a small number of cases, however, more serious coccidioidomycosis develops and lesions of the skin, bones, joints, internal organs, and top dog (meningitis) occur. Progress ive histoplasmosis symptoms include lung cavities, sputum production, night sweats, and weight loss (Madigan, 2009).The weather and mold-spore distribution are closely related. Spore count is usually higher in moderate and tropical regions than in the polar and northern regions. In colder climates, molds are present in the air during the period between late winter and late fall. In warmer climates, mold spores are found throughout the year. It is likely that warmer temperatures due to global warming will result in an increase and even abundance of mold spores and, therefore, in considerable increase of allergic reactions. Repeated exposure to a massive amount of mold spores (100 million per cubic meter) can cause serious allergy-related health problems, including chills, fever, dry cough, breathlessness, weight loss, and even permanent lung damage. Global warming is believed to be a major factor in the fusillade of mold-related asthma and mold infections (Beggs, 2004). For instance , the causative agent of coccidioidomycosis can be found in geographical areas with high summer temperatures and mild winters.In the southwestern regions of the UnitedStates, where this climate prevails, an estimated 80 percent of inhabitants are currently infected. Infectious disease specialists suggest that global warming will cause the further elaboration of the geographic ranges of coccidioidomycosis infection. Scientists predict that climate change could also increase the spread of histoplasmosis, which at present afflicts about 500,000 people annually. Another example of mold-spore infection spreading as a result of climate change is the infection caused by Cryptococcus gattii. Though previously it was only seen in Australia and other subtropical regions, this mold is spreading in Canadas Vancouver Island and the Pacific Northwest. It can cause serious human infection of the lungs and brain. In addition, molds are the cause of numerous plant diseases.The increase of plant fung al diseases due to global warming may have a negative impact on plants ability to take up carbon dioxide (CO2), a greenhouse gas, thereby increasing the CO2 concentration of the atmosphere and contributing to further warming. Managing mold plant infections may also require pesticides whose production consumes fossil fuels and generates even more CO2 emissions. There is another indirect relationship between mold spores and climate change.In nature, many molds are capable of decomposing arborescent plants such as trees. Cellulose and lignin in these trees are the biological molecules most resistant to decomposition. Molds, however, use cellulose and lignin from suffrutescent plants as their source of energy and carbon, and they release CO2 in the process. Trees function as carbon sinks, retaining carbon for the duration of their lives and sequestering it from the atmosphere. As global climate change increases the amount of mold spores and, eventually, molds, the CO2 released by dec omposition of woody plants by those molds will also increase. Eliminating mold spores is impractical. Therefore, the only solution to keep molds under control is to control global warming.
Wednesday, June 5, 2019
Overview of Steven Pinkers Theories
Overview of Steven Pinkers TheoriesIntroduction and brief biographySteven Pinker is a well-knget psychologist who writes, researches and lectures on phraseology and cognition. As well as being an experienced and widely published researcher in the academic field he is also well kn bear to non-scientists for his easily accessible popular knowledge books covering evolutionary psychology and language development. He is arguably responsible for bringing the complex field of cognitive psychology to the layperson and a diddle analysis of his prevail and ideas should provide insight into why he is so popular and successful both to academic and lay readers.Steven Pinker is Canadian Ameri buttocks, born in 1954 and educated at McGill University and the Ivy League colleges of Cambridge, Massachusetts. His official biography secernates him as an experimental psychologist, currently Harvard College Professor and Johnst matchless Family professor in the Department of Psychology (Pinker 2003) . He is a teaching as well as research scientist and writes for the academic press and popular press as well as his own books. He credits his interest in science to a teenage present of science books on the mind (Pinker 2004b).In interviews Pinker is often self deprecating, indicating that scientists dont always choose a specific field due to overwhelming interest, rather due to circumstance and being in the right place at the right time (Pinker 2004b). Despite being an immensely successful author with his most recent book being ranked at number 624 in the vanquishseller list of Amazon.com1, he does non seek to either overawe or be condescending to the regular lay reader, instead treating them, in his own words, as an old college room mate and respecting their intelligence (Pinker 2004b).Pinkers ideas and impactPinker is often known for his regards with fellow scientists much(prenominal) as Steven Rose in which the nature versus elevation concept is discussed. Pinker is describ ed as the leading spokesman for the view that we ar made by nature as well as nurture (Appleyard 2007). Pinker is a unwavering believer that our genes dictate how we act our lives through the mind being the critical determiner of who survives and passes their genes on to their offspring whereas Rose believes that all living systems argon radically indeterminate and continually construct their own futures (Brockman 1998). wizard of the reasons for the controversy of Pinkers ideas is the echoes of Nazism as, by saying that we are a product of our genes, it suggests that approximately are genetically programmed to be inferior to others.Pinker addresses the idea that humans develop purely based on their experiences in the book The Blank Slate, hence called because of the common article of belief that the mind is a blank slate and the way a person develops is purely a product of culture and socialisation (Rakoff 2002). He points out that anyone having children can see that they are born with identities and the fact that children are affected by upbringing is not proof of causation, rather being merely correlation. However he is also able to argue the other side, as it were, when he explains that, whilst genes can withstand something to do with behaviour, the study of behavioural genetics is, in his words, a riddle (Pinker 2003). In particular the influence of culture will affect many lifestyle choices, with serious effects on development. He exhorts everyone to try to reach the best point in the range of temperament and talent (Pinker 2003). He protests that the biology of consciousness offers a better explanation for how people work than the existence of an, un provable in his view, immortal soul (Pinker 2007a). He suggests that we all develop as a product of our fountainheads, and other people have similar brains so all have a similar capacity. He further develops his view by stating that the soul is in fact the information-process activity of the brain a nd that all emotion can be tied to specific neural activity (Pinker 2004a). This is a controversial view as many philosophers and sociologists would not like to believe that our freedom of thought is not in fact freedom at all, rather an automatic response from our genes.One of Pinkers key ideas is his words / rules method of accounting of language in which he suggests that there is a contrast between the regular and irregular inflection of words and this is due to there being 2 distinct computational mechanisms for the processing of these words (Berent, Pinker Shimron 2002). He set this out in his oft cited2 piece entitled Rules of Language published in 1991 in the journal Science (Pinker 1991). The language processing of the brain was described as modular and independent of real-world meaning suggesting a genetic basis to the development of language, presumably because logically language would however be processed in connection with the meaning of that language.Pinker has more recently written about human nature in a wider context than language. One such example is where he explains that romantic love has a paradoxical logic, where in fact there is not a neat matching of twosome according to the rules of shopping eg matching purely on the grounds of features and quality (Pinker 2008). He also commends other people on their influence, with one such account being his 2007 commendation of Paul Allens contribution to the scientific world (Pinker 2007b). An individual must be well respected and influential in his own right to be asked to comment upon the influence of others.However he has been subject to controversy, with people suggesting that his book The Blank Slate denies the existence of sex discrimination. However he defends his position, indicating that he has merely shown empirical evidence about the differences in talents, temperaments and life priorities between men and women (Pinker 2006). He describes how he lost sleep over the grammatical gender chapter yet also points out that in the first 2 years post publication no one had any problem with that chapter (Quixote 2006). It was only later on that Pinkers work was used out of context by Larry Summers, then president of Harvard University, who said that innate genetic differences were the reason why fewer women succeeded in math and science (Bombardieri 2005). Thus the message of the book reached a greater audience, but the audience misconstrued what had been said originally.He often has to defend his work, or clarify it to others who rede e.g. (Pinker, Ullman 2003, Pinker, Ullman 2002) and the much foresightfuler opinion article (Pinker, Ullman 2002). No doubt, though, if a researcher or author has to defend their work it means that others are noting what they say liberal to criticise, and then publishers care enough to seek the rejoinders.It is possible to obtain impact factor trend graphs for published articles. This provides an indication of the journals relative im pact, thus the consequent impact that the article within that journal may have. Analysis of the 3 most cited articles from Pinker provides the data for table 1 below. Obviously the most cited articles are older but the journals in which the articles are published have high impact.Table 1 An analysis of the journal impact and number of times cited for the 3 most popular Pinker articles3In a profile published last year the Sunday Times refer to Pinkers ideas as incendiary and describe him as a global science celebrity (Appleyard 2007). Despite the possible Nazism connotations that could be attributed to his ideas, there is also a clear logic to the brain containing the blueprint to our development. If there are genes that decide our hair colour and skin colour then why not other features? No one would revoke that genetic malfunctions such as occur in Downs Syndrome clearly show the effect that defective genes can have from birth. Why should only defective genes be influential?Pinker says that it hard to judge his own influence, but that more people of more cultures and races are now open to the idea that biology can have some answers to human life and its workings (Quixote 2006). He also suggested the topic for the annual question for The Edge Foundation for 2006 as My Dangerous Idea. His account of his 2005 includes instances such as the Summers speech mentioned above, as well as other research which endeavoured to show that race and intelligence do not exist. The lasting influence of these ideas (and his own work and reputation) is that people perceive Pinker as propounding dangerous ideas that fuel bigotry (Brockman 2006). However bigotry isnt created by the influence of one scientist. Pinkers work may be used as evidence to support existing bigotry but support is not the same as initiation.ReferencesAppleyard, B. 2007, Steven Pinker knows whats spill on inside your head, October 14th 2007, The Times, London.Berent, I., Pinker, S. Shimron, J. 2002, The nat ure of regularity and irregularity evidence from Hebrew nominal inflection, Journal of psycholinguistic research, vol. 31, no. 5, pp. 459-502.Bombardieri, M. 2005, Summers remarks on women draw fire, January seventeenth 2005 edn, Boston Globe, Boston.Brockman, J. 2006, 01/01/2006-last update, Edge The World Question Centre 2006 Homepage of The Edge, Online. uncommitted http//www.edge.org/q2006/q06_3.htmlpinker accessed 30/10/2008 .Brockman, J. 1998, 25/03/1998-last update, Edge PINKER VS. ROSE-A DEBATE (PART I) Homepage of The Edge, Online. Available http//www.edge.org/3rd_culture/pinker_rose/pinker_rose_p1.html accessed 30/10/2008 .Pinker, S. 2003, , Steven Pinker About- long biography Homepage of Harvard University, Online. Available http//pinker.wjh.harvard.edu/about/longbio.html accessed 30/10/2008 .Pinker, S. 2008, Crazy love, Time, vol. 171, no. 4, pp. 82-83.Pinker, S. 2007a, The mystery of consciousness, Time, vol. 169, no. 5, pp. 58-62, 65-6, 69-70.Pinker, S. 2007b, Time 1 00 scientists thinkers. Paul Allen, Time, vol. 169, no. 20, pp. 112.Pinker, S. 2006, The gender debate science promises an honest investigation of the world, Nature, vol. 442, no. 7102, pp. 510.Pinker, S. 2004a, How to think about the mind, Newsweek, vol. 144, no. 13, pp. 78.Pinker, S. 2004b, Steven Pinker, Current biology CB, vol. 14, no. 21, pp. R909.Pinker, S. 2003, Are your genes to blame?, Time, vol. 161, no. 3, pp. 98-100.Pinker, S. Bloom, P. 1990, Natural-Language and Natural-Selection, Behavioral and hotshot Sciences, vol. 13, no. 4, pp. 707-726.Pinker, S. Prince, A. 1988, On Language and Connectionism Analysis of a Parallel Distributed-Processing Model of Language-Acquisition, Cognition, vol. 28, no. 1-2, pp. 73-193.Pinker, S. Ullman, M. 2002, Combination and structure, not gradedness, is the issue, Trends in cognitive sciences, vol. 6, no. 11, pp. 472-474.Pinker, S. Ullman, M.T. 2003, Beyond one model per phenomenon, Trends in cognitive sciences, vol. 7, no. 3, pp. 108-109.Pinker, S. Ullman, M.T. 2002, The past and future of the past tense, Trends in cognitive sciences, vol. 6, no. 11, pp. 456-463.Pinker, S. 1991, Rules of Language, Science, vol. 253, no. 5019, pp. 530-535.Quixote, D. 2006, July 4th 2006-last update, 10 questions for Steven Pinker Homepage of Gene Expression, Online. Available http//www.gnxp.com/blog/2006/07/10-questions-for-steven-pinker.php accessed 30/10/2008 .Rakoff, D. 2002, Questions For Steven Pinker, 15th September 2002, The New York Times, Ney York.Tarr, M.J. Pinker, S. 1989, Mental Rotation and Orientation-Dependence in Shape-Recognition, Cognitive psychology, vol. 21, no. 2, pp. 233-282.11 Data obtained from www.amazon.com at 0920 on 30/10/20082 318 citations as at 30/10/2008. Data from ISI Web of fellowship3 Citation information obtain from ISI Web of Knowledge Journal Citation reports for social science journals on 30th October 2008 available at http//admin-apps.isiknowledge.com/JCR/JCR?RQ=HOME.
Monday, June 3, 2019
People Suffering Mental Disorder Auditory Hallucinations
People Suffering psychical Disorder audile HallucinationsAuditory hallucinations for some passel suffering rational disorder argon frequently get windd as alien and under the influence of some foreign force. These argon a great deal familiarityd as component parts that are distressing to the private and shag cause accessible withdrawal and isolation. Although auditive hallucinations are associated with major mental diseasees such as schizophrenia, they excessively occur in the general nation (Coffey and Hewitt 2008). The annual incidence is estimated betwixt 4-5 percent (Tien 1991), with those experiencing voices at least once, estimated between 10-25 percent (Slade Bentall 1988).The standard professional response to voice hearing has been to label it as symptomatic of sickness and to prescribe anti-psychotic medication (Leudar Thomas 2000). An alternative is suggested by Romme and Escher (1993), who view the hearing of voices as not simply an individuals psycho logical knowledge, nevertheless as an interaction, studying the nature of the individuals family with his or her own social environment. In this way, voices are interpreted as being linked to past or present experiences and the accent is on accepting the existence of the voices. Romme and Escher (1993) see hallucinatory voices as responsive to enhanced coping and raise that those who coped well with voices had much supportive social environments than those who found it difficult to cope.This dissertation testament aim to discuss the experience and management of auditory hallucinations in schizophrenia spirit into therapeutic relationship, dower approaches, and working towards the lineinus of a therapeutic relationship discussing discharge.First chapter will aim to explain what schizophrenia is, the cause of schizophrenia, its symptoms and types with particular focus on auditory hallucinations. The chapter will therefore discuss what auditory hallucinations are in the di agnosis.Therapeutic relationship between function drug user and the nurture is paramount in mental wellness treat and is seen to prove long term outcome such as social functioning (Svensson and Hansson 1999). Chapter two will aim to discuss the building of therapeutic relationship in the management of auditory hallucinations using Peplaus interpersonal relations model (1952).The importance of holistic sagacity using a variety of tools, scales and questionnaires that will signalise symptoms, guesss, management of risk and address the service users call for will be discuss in chapter three.Chapter four of this dissertation will discuss helping approaches. grayness et al (2003) states that pharmacological and psychosocial interventions brace been heavily researched to find the closely up to date literature and recommendations for the management of auditory hallucinations in schizophrenia with medication and cognitive Behavioural Therapy (CBT).. The final chapter will aim t o discuss the ending of the therapeutic relationship between the nurse and the service user looking into discharge intend process and conclusion.Chapter oneWhat is Schizophrenia and Auditory Hallucinations?Introduction to chosen topicSchizophrenia is one of the terms used to describe a major psychiatrical disorder (or cluster of disorders) that alters an individuals light, thoughts, affect and behaviour. Individuals who develop schizophrenia will each have their own unique combination of symptoms and experiences, the precise pattern of which will be influenced by their particular circumstances (NICE 2010).Allen et al (2010) define schizophrenia as a chronic and seriously disabling view disorder that produces signifi merchantmant counterweight cognitive, functional and social deficits. Schizophrenia is considered the most disabling of all mental disorders (Mueser and McGurk, 2004), it occurs in about 1% of the world population, or to a greater extent than 20 billion people worl dwide (Silverstein et al., 2006).The DSM -IV TR (APA 2000) defines schizophrenia as a persistent, often chronic and unremarkably serious mental disorder affecting a variety of aspects of behaviour, thinking, and emotion. Patients with delusions or hallucinations whitethorn be described as psychotic. However, Tucker (1998) argues that the system of classification developed by the DSM-IV does not actually fit more patient roles as a whole the syndromes outlined in DSM-IV are free standing descriptions of symptoms. He said unlike diagnoses of diseases in the rest of medicine, psychiatric diagnoses still have no proven link to causes and cures Tucker argues that there is no identified etiological agents for psychiatric disorders.Schizophrenia is characterized by clusters of positive symptoms (e.g. hallucinations, delusions, and/or catatonia), negative symptoms (e.g. apathy, flat feet, social withdrawal, loss of feelings, lack of motivation and/or p overty of speech), and disorganized symptoms (e.g. sortal thought disorder and/or bizarre behaviours). In addition, individuals with schizophrenia often experience substantial cognitive deficits including loss of executive function, as well as social dysfunction (Allen et al., 2010). It is estimated that nearly 75% of people with schizophrenia suffer with auditory hallucinations (Ford et al., 2009).Positive and negative symptoms are mentioned briefly because the dissertation is primarily focused on auditory hallucinations.Auditory hallucinations in diagnosisAuditory hallucinations are often considered symptomatic of people diagnosed as suffering from schizophrenia (Millham and Easton, 1998). APA (1994, p.767) defines hallucinations as a sensory perception that has the compelling sense of reality of a true perception exclusively that occurs without external stimulation of the relevant sensory organ. Auditory hallucinations range from muffled graves to complete conversations and can be experienced as coming e genuin ely from within or from outside ones self-importance (Nayani David, 1996). However, Stanghellini and Cutting (2003) argue that APA definition of hallucinations is false, they believe an auditory hallucination is not a false perception of sound but is a disorder of self consciousness that becomes conscious. Hearing voices is not only linked to a persons inner experience but can reflect a persons relationship with their own past and present experiences (Romme and Escher, 1996). Beyerstein (1996) suggests that voices are anything that prompts a move from word based thinking to imagistic or pictorial thinking predisposes a person to hallucinating.Auditory hallucinations, or hearing sounds or voices are the most common and occur in nearly 75 percent of individuals diagnosed with schizophrenia (Ford et al., 2009). Auditory hallucinations are often derogatory or persecutory in nature, and can be heard in the third person, as a running commentary, or as audible thoughts. Some individuals w ith schizophrenia also experience useful or positive voices that give advice, encourage, remind, and help make decisions, or assist the person in their daily activities (Jenner et al., 2008).Voice hearer can work with their voices and either choose what to listen to or can completely ignore them (Romme et al., 1992). Sorrell et al (2009) states that some individuals experience positive voices which do not affect the way they function or go about their daily living, these hearers also find that their voices may offer advice and guidance. The hearers voice can be hideed as a little distressful or some go on to report no distress at all (Honig et al., 1998). However Nayani and David (1996) argues that individuals who experience a constant negative voice found them less difficult to control, they found the voice more powerful and prove to ignore the voice. Chadwick et al (2005) said that those who resist voices or feel the need to argue or shout back are termed malevolent, those who think voices are comfortably and engage with them are benevolent, they see voices are helping them so they tend to listen and follow advice.Swanson et al (2008) suggests that people who hear voices are more probably to be victims of violence than be violent themselves. However Soppitt and Birchwood (1997) argue that voices are more commonly linked to depression, voice hearers can also have a history of suicidal thoughts, paranoia and abuse.not all auditory hallucinations are associated with mental illness, and studies show that 10 to 40 percent of people without a psychiatric illness report hallucinatory experiences in the auditory modality (Ohayon, 2000). A range of organic brain disorders is also associated with hallucinations, including temporal lobe epilepsy delirium dementia focal brain lesions neuro- infections, such as viral encephalitis and cerebral tumours intoxication or withdrawal from substances such alcohol, cocaine, and amphetamines is also associated with auditory h allucinations (Fricchione et al., 1995)The phenomenological characteristics of auditory hallucinations differ on the introduction of their etiology, and this can have diagnostic implications. People without mental illness tend to report a greater proportion of positive voices, a higher train of control over the voices, less frequent hallucinatory experiences, and less interference with activities than people who have a psychiatric illness (Lowe, 1973).There is also severalize that delusion formation may distract psychotic disorders from non clinical hallucinatory experiences. In other words, the development of delusions in people with auditory hallucinations significantly increases the risk of psychosis when discriminated with individuals who have hallucinations but not delusions. Auditory hallucinations may be experienced as coming through with(predicate) the ears, in the mind, on the surface of the body, or anyplace in external space. The frequency can range from low (once a month or less) to unremittingly all day long. Loudness also varies, from whispers to shouts. The impregnation and frequency of symptoms fluctuate during the illness, but the factor that determines whether auditory hallucinations are a central feature of the clinical picture is the degree of interference with activities and mental functions (Waters, 2010)The most common type of auditory hallucinations in psychiatric illness consists of voices. Voices may be male or female, and with intonations and accents that typically differ from those of the patient. Persons who have auditory hallucinations usually hear more than one voice, and these are sometimes recognized as belonging to someone who is familiar (such as a neighbour, family member or TV personality) or to an imaginary character (God, the devil, an angel). Verbal hallucinations may comprise full sentences, but single words are more often reported. Voices that comment on or discuss the individuals behaviour and that refer to th e patient in the third person were thought to be prime(prenominal)-rank symptoms and of diagnostic significance for schizophrenia (Schneider, 1959). Studies show that more or less half of patients with schizophrenia experience these symptoms (Waters, 2010).Waters (2010) says a significant proportion of patients also experience non verbal hallucinations, such as music, tapping, or animal sounds, although these experiences are frequently overlooked in auditory hallucinations research. Another type of hallucination includes the experience of functional hallucinations, in which the person experiences auditory hallucinations simultaneously through another(prenominal) real noise (e.g., a person may perceive auditory hallucinations only when he hears a car engine). The content of voices varies between individuals. Often the voices have a negative and malicious content. They might speak to the patient in a derogatory or insulting manner or give commands to get along an unacceptable behav iour. The experience of negative voices causes considerable distress. However, a significant proportion of voices are pleasant and positive, and some individuals report feelings of loss when the treatment causes the voices to disappear (Copolov et al., 2004).The accurate processes that underlie auditory hallucinations remain largely unknown. There are two principal avenues of research one focuses on neuro anatomical networks using techniques such as positron emission tomography and functional Magnetic Resonance Imaging (MRI). The other focuses on cognitive and psychological processes and the exploration of mental plaints involved in auditory hallucinations. A common formulation suggests that auditory verbal hallucinations represent an impairment in language processing and, particularly, inner speech processes, whereby the internal and dull dialogue that healthy people engage in is no longer interpreted as coming from the self but instead as having an external alien inventory. The re is support for this language hypothesis of auditory hallucinations from neuro imaging studies. These show that the experience of auditory hallucinations engages brain regions, such as the primary auditory cortex and broca area, which are associated with language comprehension and production. This suggests that hallucinatory experiences are associated with listening to external speech in the absence of external sounds (Waters, 2010)An explanation of why these experiences are not perceived as self-generated posits that auditory hallucinations arise because persons who have the hallucinations fail to distinguish between internal and external events. This arises because of deficits in internal self-monitoring mechanisms that compare the expected with the actual sensations that arise from the patients intentions. This abnormality also applies to inner speech processes and leads to the misclassification of internal events as external and misattribution to an external agent (Frith, 2005 ).However, Bentall and Slade (1985) suggest that individuals with hallucinations use a different set of judgment criteria from healthy people when deciding whether an event is real, and they are more willing to accept that a perceptual experience is true. This preconceived notion essentially involves a greater willingness to believe that an event is real on the basis of less evidence.According to the context retrospect hypothesis of auditory hallucinations, the tribulation to identify events as self-generated arises because of specific deficits in episodic memory for remembering the details associated with particular past memory events. These specific deficits in memory cause confusion about the origins of the experience (Nayani and David, 1996). Patients with auditory hallucinations tend to misidentify the origins and source of stimuli during on-going events and during memory events (Waters et al., 2006). The lack of voluntary control over the experience is a key feature of audi tory hallucinations, which might explain why self-generated inner speech is classified as external in origin (Copolov et al., 2003). Hallucinations are experienced when verbal thoughts are unintended and unwanted. Because deficits in cognitive processes, such as inhibitory control, are thought to render people more susceptible to intrusive and recurrent unwanted thoughts, studies have linked auditory hallucinations with deficits in cognitive inhibition (Waters et al., 2006).Recent advances in the neurosciences provide clues to why patients report an auditory experience in the absence of any perceptual input. Spontaneous activity in the early sensory cortices may in fact form the basis for the original signal. Early neuronal computation systems are known to interpret this activity and engage in decision-making processes to determine whether a percept has been detected. A brain system that is abnormally tuned in to internal acoustic experiences may therefore report an auditory percept ion in the absence of any external sound (Deco and Romo, 2008). Ford et al., (2009) suggested that patients with auditory hallucinations may have excessive attentional focus toward internally generated events the brains of persons who have auditory hallucinations may therefore be over interpreting spontaneous sensory activity that is largely ignored in healthy brains.Cognitive impairments are not the only factors responsible for auditory hallucinations. mental factors such as meta-cognitive biases, beliefs, and attributions concerning the origins and intent of voices also play a critical modulatory role in shaping the experience of hallucinations. The role of environmental cues and reinforcement factors through avoidance strategies must also be incorporated in any explanations of auditory hallucinations. These factors do not explain how hallucinations occur in the first place, but they have strong explanatory power when accounting for individual differences in how the voices are ex perienced (Baker and Morrison, 1998).Patients suffering from auditory hallucinations sometimes can not distinguish between what is real and what is not real, it is very all important(p) to build a trusting therapeutic relationship with the sufferer. This dissertation will go on to research the importance of building a therapeutic relationship with a patient To explore the extent of auditory hallucinations a patient may be experiencing it is important that an appropriate sagaciousness and risk management are carried out, exploring the need for opinion and risk management in auditory hallucinations, It will also look into helping approaches discussing pharmacological and psychosocial approaches in the management of auditory hallucinations and how to end the therapeutic relationship between a service user and the nurse, looking into discharge planning.CHAPTER TWO maturation OF THERAPEUTIC RELATIONSHIPDevelopment of the Therapeutic RelationshipPeplaus theories laid the ground for as cendancy of the relationship as the key context for all subsequent interventions with patients (Ryan Brooks, 2000). Although the idea of the relationship endures as the paradigm for psychiatric breast feeding (Barker, Jackson, Stevenson, 1999a 1999b Krauss, 2000 Raingruber, 2003), it does not appear there is any universal consensus on exactly how to frame this relationship. The nurse-patient relationship can be defined as an ongoing, meaningful communication that fosters honesty, humility, and mutual respect and is based on a negotiated partnership between the patient and the practitioner (Krauss, 2000, p. 49).Peplau describes nursing as a therapeutic interpersonal process that aims to identify problems and how to relate to them (Peterson and Bredow 2009). Forster (2001) defines therapeutic relationship as a trusting relationship developed by two or more individuals. However, Jukes and Aldridge (2006) says at first sight therapeutic nursing and the therapeutic relationship may s eem relatively easy to define, but once we scrape the surface we find a complex range of ideas and concepts that stem from philosophies, ideologies and individual therapies. Sometimes there are difficulties in applying these definitions to our own work. Not least of these difficulties is the relevance of the concept of therapy as healing to nursing. This begs the question of whether a therapeutic relationship always entails the use of a therapy, or whether there is something more universal and fundamental in therapeutic relationships. It seems important therefore to attempt a workable definition of the therapeutic relationship that has currency within nursing as a whole. Additionally, it seems that therapeutic nursing has two facets. The first of these, and probably the most apparent, is the emotional and interpersonal aspect, which we might call therapeutic nursing as an art. The second is the more logical and objective aspect, which we might call The therapeutic nursing as a scien ce. Arguably, there is a synergy between the two that leads to a gestalt, and therefore a need to address both aspects if our nursing is to be truly therapeutic in a holistic sense.Peplaus theory focuses on the nurse, the patient and the relationship between them and is aimed at using interpersonal skills to develop trust and security within the nurse-patient relationship. Therapeutic relationships are the corner stone of nursing practice with people who are experiencing threats to their health, including but not restricted to those people with mental illness (Reynolds 2003). The relationship of one to one of nurse patient has electromotive force to influence positive outcome for patients. Hildegard Peplau interpersonal relations overlap over four phases namely Orientation, Identification, Exploitation and Resolution.Peplau also identify that during the four overlapping phases nurses adopts many roles such as- Resource person giving specific needed information that aids the patien t to understand his/her problem and their new situation. A nurse may function in a counselling relationship, listening to the patient as he/she reviews events that led up to hospitalization and feeling connected with them. The patient may cast the nurse into roles such as surrogate for mother, father, sibling, in which the nurse aids the patient by permitting him/her to re-enact and examine generically older feelings generated in former relationships. The nurse also functions as a technical expert who understands various professional devices and can manipulate them with skill and discrimination in the interest of the patient (Clay 1988).The orientation phase is the initial phase of the relationship where the nurse and the patient get to know each other. The patient begins to trust the nurse. This phase is sometimes called the other phase because the nurse and the patient are strangers to each other (Reynolds 2003).Peplaus (1952) suggest that during this phase early levels of trust are developed and roles and expectation begin to be understood. It is important that during this time that the nurse builds a relationship with the patient by gaining their trust, establishing a therapeutic environment, developing rapport and a level of communication expectable to both the patient and the nurse. During the orientation phase trust and security is supposed to be developed between the nurse and the patient.Co-ordination of help and treatment of patient firearm using an motionive communication between the MDT is a nurse role. The nurse also acts as an advocate/surrogate for a patient and promotes recovery and self belief. Essential communication skills are deemed to be listening and attending, empathy, information giving and support in the context of a therapeutic relationship (Bach and Grant 2009). grammatical construction a therapeutic relationship needs to focus on patient - digestd rather than nurse-task focus.Bach and Grant (2009) say interpersonal relationshi p describes the connection between two or more people or groups and their involvement with one another, especially as regards the way they behave towards and feels about one another. Communication is to stand in information between people by means of speaking, writing or using a common system of signs or behaviour. Faulkner (1998) suggested that Rogers (1961) client centred approach conditions can be seen as important factors that contributes to a therapeutic relationship. Rogers (1961) three core conditions are congruence, empathy and unconditional positive regards.Congruence means that the nurse should be turn out and genuine about feelings towards their patient. Having the ability to empathise with the patient would show that the nurse has the ability to understand the patients thoughts and feelings about their current problem. Unconditional positive regards is viewing them as a person and focusing on positive attributes and behaviour (Forster 2001). The orientation phase also gives the nurse the chance to asses the patients current health and once the assessment has been carried out the can then move the relationship forward to the identification phase. The identification phase is where the patients needs are identified through various assessment tools. legal opinion will be discussed in detail in the next chapter. Butterworth (1994 DH 1994a DH 2006a) says that during the identification phase the nurse and the patient will both work unitedly discussing the patients identified needs, needs that can be met and those that cannot be met. They will also identify risks and how to manage the risks and aim to formulate a care plan. Butterworth said the care plan should focused on the patients individual needs, long and short term goals and their wishes, whilst being empowered at all times to make informed decisions and choices that thing in their care.Collaborative working between multi-agencies ensures the needs of the patient are being met through appropria te assessment and treatment under the Care and sermon Plan (CTP). The Care and Treatment Plan is one of a number of new rights delivered by the rational Health (Wales) Measure (2010). The Measure also gives people who have been discharged from secondary mental health services the right to make a self referral back for assessment and it extends the right to an Independent Mental Health Advocate to all in-patients. A care co-ordinator must ensure that a care and treatment plan which records all of the outcomes which the provision of mental health services are designed to achieve for a relevant patient is completed in writing in the form set out (Hafal, 2012).The Sainsbury totality for Mental Health (Rose 2001) found that patients are often not involved in the care planning process and many service users were not even aware of having a care plan.The exploitation phase is where interventions are implemented from the needs and goals set out in the identification phase which enables th e service user to move forward, these interventions will assist in managing auditory hallucinations, whilst educating the patient and family members about the illness. Helping approaches will be discussed in detail in the next chapter looking at various up to date interventions available for the management of auditory hallucinations.A trusting relationship can help with recovery and during these interlocking phases is what the nurse and the patient are aiming for (Hewitt and Coffey, 2005). Building of a trusting therapeutic relationship is essential for nursing interventions to work (Lynch and Trenoweth, 2008). Nurses need to be sensitive, show compassion at all times and understanding to a patients needs. Nursing interventions needs to address physical, psychological and social needs this involves having holistic approach (Coleman and Jenkins, 1998). Nurses need to work with the topper evidence based therapeutic treatment available, this then being a positive approach to care (NMC 2008). The Chief Nursing Officer (CNO) review of the Mental Health Nursing (2006) noted that to improve quality of life, service users risks need to be managed properly, whilst promoting health, physical care and well being. However, Hall et al., (2008) argues that the CNO review does not fritter away into consideration the great pressure nurses are under and also the complex needs of the service user.Therapeutic interventions are an important aspect of recovery (Gourney 2005). retrieval can be described as a set of values about the service users right to build a meaning life for themselves without the continuous presence of mental health symptoms (Shepherd et al., 2008). The persona of recovery is to work towards self determination and self confidence (Rethink 2005). National Institute for Mental Health in England (NIMHE, 2005) described recovery as a state of wellness after period of illness. Nurse need to provide a holistic view of mental illness with a person centred approach that can work towards the identification of goals and offer the patient appropriate support through interventions like CBT, family therapy and coping skills, this will enable the patient to be at the centre of their own care, thus taking responsibility for their own illness and improve quality of life. Service user who have a full understanding and accept their illness can engage more with therapies and interventions with the necessary support from professionals, this then leads to self determination and cleanse quality of life (Cunningham et al., 2005). However, Took (2002) says it is important to remember that with a service user experiencing auditory hallucinations, their mood and engagement can fluctuate and also the side effect of prescribed medication can affect this which may slow down the recovery process.Early intervention is also recognised to improve long term outcomes of auditory hallucinations in schizophrenia (McGorry et al., 2005 NICE 2009). However, not all service users will seek advice when first experiencing symptoms, due to stigma attached to mental illness and fear of admission to hospital (French and Morrison 2004). Some service users have also complained that the hospital has a non therapeutic environment and that they also feel unsafe and in an orison like setting (SCMH 1998, 2005 DoH 2004b). Drury (2006) says that service users felt that some professionals lacked compassion. Mental health nurses are encouraged to adopt a client centre approach, some research suggests nurses lack empathy and have general uncaring attitude (Herdman 2004).The final phase of Peplaus theory is the resolution phase. This is where the nurse and the service user will end their professional relationship. The relationship can end either through discharge or death. For the purpose of this dissertation the ending of the relationship that will be discussed at a later chapter will be discharge.Therapeutic relationship is seen as paramount during these interlocking phases of peplaus interpersonal relations theory, nurses needs to promote the service users independence whilst treating them with respect, privacy and dignity. By identifying treatment goals, implementing and evaluating treatment plans the service user can move on to interventions that will help them manage and cope with auditory hallucinations.Chapter 3Assessment of a patient with Auditory HallucinationsAssessment of Auditory HallucinationsAssessment is the decision making process, based upon the collection of relevant information, using a formal set of ethical criteria, that contributes to an overall estimation of a person and his circumstances (Barker 2004). Hall et al (2008) described assessment as one of the first steps to the nursing process it is also part of care planning and a positive foundation for building a relationship and forming therapeutic alliance. It is an ongoing process that enables professional to gather information that allows them to understand a persons exp erience.Most assessments have similar aims. However, how assessments are conducted can vary enormously. Such differences are very important and can influence greatly the value of the information produced (Barker 2004). In Wales CTP was introduced under the Mental Health (Wales) Measures 2010. CTP means a plan prepared for the purpose of achieving the outcomes which the provision of mental health services for a relevant patient is design to achieve and ensures service users have a care plan, risk assessment and a care co-ordinator to monitor and review their care (see appendix one). NICE (2010) suggest that assessment should contain the service users psychiatric, psychological and physical health needs and also include current living arrangements, ethnicity, quality of life, social links, relevant risk and other significant factors that may affect the service users quality of life.Assessment of a patient relies upon the collection of information through interviewing the patient, memb er of their family, direct observation of the nurse, questionnaire, rating scales, and previous history (Previous records). However, Barker (2004) argues that despite the importance of the history, if relied upon as the sole method of assessment, not only may the final picture of the patient be of a doubtful accuracy but it may also lack the fine detail necessary for the planning o
Sunday, June 2, 2019
The Human Impact On Environment
The Human Impact On EnvironmentIn some pluralitys opinions mans impact on the environment is a big issue in our life which is easily neglected, as humans are responsible for a staggering amount of constipation on the farming. Nature manages its own components.Since the outbreak of technology and industrialisation humans kick in greatly had a negative impact on the environment, such as channelize pollution, habitat destruction, water pollution, the burning of rainforests and primer coat pollution. In this essay I intend to give facts and discuss the effects and ca exercises on these topics and discuss the solutions macrocosm carried out to improve the conditions.Air pollution effects people in areas of emission sources, such as, power plants, local industry and major roadstead. Humans yield to pollution by the use of machinery in industry ca using pollution to the environment. More effects of air pollution on the environment involve using diesel fuel for vehicles and coal fo r power along with the lack of emission controls for vehicles and industry.Another cause of air pollution is the greenhouse gas CO2, this gas warms the earth through living things as they emit CO2 when breathing which contributes to humans also, as we add to this statistic through breathing also. CO2 is usually thought to be involved with cars, aeroplanes and power plants, in the past 150 years , CO2 has been polluting our atmosphere through the sources mentioned, this is the highest CO2 emissions recorded for a long time. More causes of air pollution is methane gas which comes from swamps which are contributed to man through flooding. Cfcs are another major cause of air pollution by man through the use of fridges and deodorants (aerosols) which harms the earths ozone layer.Solutions to Air defilementSolutions to air pollution include driving and flying slight, recycling, and conservation. Governmentsare limitting emissions of carbon dioxide and other greenhouse gases through the K yoto Protocolthis is an agreement between countries that they ordain cut back on carbon dioxide emissions. Another manner being put into practice is to put taxes on carbon emissions or higher taxes on gasoline.( http//environment.nationalgeographic.com/environment/global-warming/pollution-overview.html )Acid RainAcid rain has a big effect on the environment and is caused through men by the emission if normality oxides through road transport, power station and industry, over 2000 tonnes of nitrogen oxide was soil into the air in 1990 along with over 3000 tonnes of sulphur dioxide through power stations and industry. Sulfur dioxide is known primarily as a cause of acid rain. But they also reflect light when released in the atmosphere, which keeps sunlight out and causes realm to cool. Another adverse effect of these gases being emitted into the atmosphere by humans is the weathering of buildings, particularly those made from limestone, marble and sandstone. For example sulphate- rich precipitation reacts with limestone and is easily eroded. Many method fuddle been used to reduce the effects of acid rain, one is to add powdered limestone to lakes to increase their pH values, how ever the only real effective and practical solution is to reduce fossil fuel consumption by using alternate energy sources that do not produce nitrate or sulphate gases (hydropower or nuclear power).Water PollutionAsian rivers are the most polluted in the world. They have three times as many bacterium from human surplus as the global average and 20 times more lead than rivers in industrialized countries.Thirty percent of Irelands rivers are polluted with sewerage or fertilizer. The King River is Australias most polluted river, suffering from a severe acidic condition related to mining operations.100, 000 marine mammals, 1 gazillion sea birds and other aquatic lives are killed due to plastic knock off in water and coastal area.Bangladesh has some of the most polluted groundwate r in the world. In this case, the contaminant is arsenic, which occurs naturally in the sediments. Around 85% of the total area of the country has contaminated groundwater, with at least 1.2 million Bangladeshis exposed to arsenic inebriety and with millions more at risk.Pollution of freshwater is a problem for about half of the worlds population. Each year there are about 250 million cases of water-related diseases, with nearly 5 to 10 million deaths.The main problem of water pollution is that it kills life Dead fish, birds, dolphins, and many other animals often wind up on beaches, killed by pollutants.Pollution disrupts the natural food chain as well. Pollutants such as lead and cadmium are eaten by tiny animals. Later, these animals are consumed by fish and shellfish, and the food chain continues to be disrupted at all higher levels.humans are affected by this process as well. deal can get diseases such as hepatitis by eating seafood that has been poisoned.Ecosystems can be se verely changed or destroyed by water pollution. Many areas are now being affected by careless human pollution,Solutions to Water Pollution stabilising wetlands to act as a buffer zone to overflow and to assist in filtering pollutants Drive less to reduce the amount of air pollution being emitted into the environment and minimize the amount of nitrogen deposition. Improve the sewage treatment system to stop the leaks in the pipes. Conserve water Improve storm water management. Monitor watershed Stop deforestation to soak up the rain water and prevent run transfer from occurring.Land PollutionThe human impacts related with land pollution involves the Increase in urbanization as body structure uses up forestland. More constructions means increase in demand for raw materials like timber. This leads to the exploitation and destruction of forests, the Increase in agricultural land As the human population grew there was a greater demand for food. This caused more land allocated to agricu lture. Forests were cut down for this purpose, Agricultural activities Besides domestic waste, pesticides and herbicides used by farmers to increase crop yields also pollute the land when they are washed into the soil and Industrial activities are also a contributing factor to land pollution. For example, in open cast mining, huge holes are dug in the ground and these form dangerously deep mining pools. Heaps of mining waste are left behind and these waste often contain several poisonous substances that exit contaminate the soil.The effects on humans is that the Pollution is plausibly to affect over a billion people around the world, with millions poisoned and killed each year.The World Health Organization estimates that 25 percent of all deaths in the ontogenesis world are directly attributable to environmental factor.Some researchers estimate that exposure to pollution causes 40 percent of deaths annually. Many people are not aware of the impact that such industrial pollution ca n have on the earth. By helping to make it known, you can be one of the voices that will draw attention to the issue thus helping to inspire change.Solutions to Land PollutionNew laws and regulations such as, reduce use of plastic, recycle and reuse have greatly reduced the amount of commercial and industrial pollution,Habitat Destruction/DeforestationHabitat destruction is happening all over the world and proximate to your home than you might think. Tropical rain forests in Central and South America and in Southeast Asia and Oceania are being threatened. Rainforests now occupy less then of the land that they did 100 years ago (thats less than 2% of the earths surface).Humans are a major cause of habitat destruction. The causes include, logging, agriculture, the building of roads and cities, and forest fires. Logging involves Humans cutting down the forests and rain forests for wood and wood products.Usually, only large prime trees are cut down, such as mahogany. However, smaller trees can be destroyed in the process and never replaced. Logging can cause soil erosion, and the logging roads that are reinforced can damage rivers and streams. Agriculture involves Wild lands being cleared for crops and domestic animals. The single biggest cause of deforestation is farming. Animals that are used to living in a biodiverse habitat cannot survive in an area with one crop. Humans impact on habitat destruction is majorly involved in the building of roads and cities, although indispensable for life, this still causes a problem for biodiversity as Humans are clearing trees and wild lands to make room for roads and cities. Cities replace the natural habitat of many species of plants and animals. Highways and freeways can destroy plants and also keep animals from safely travelling through their natural habitat.Recent effects of humans on the environmentHumans have recently had a massive impact on the environment with the nuclear power plant disaster in Japan following th e biggest earthquake/tsunami ever recorded cooling systems failures that led to radioactivity escaping from a reactor at one location. The emergency declarations, which include five reactors at the two plants, followed Fridays 8.9-magnitude earthquake off the countrys northeast coast. In a troubling announcement, Japan Nuclear and Industrial Safety Agency official Ryohei Shiomi said a monitoring device international the plant detected radiation that is eight times higher than normal and an evacuation zone has been expanded from three kilometres around the plant to 10 kilometres.( http//news.slashdot.org/ written report/11/03/12/038218/Nuclear-Emergency-Declared-At-2-Plants-In-Japan?from=rss )The impact this had on the environment was really frightening as fears of people being exposed with radiation which was life threatening and people were even evacuated from their homes and told not to go outside, there is now fears that the food produced there may be contaminated with radiatio n and they are stopping all exports. This radiation from Japan has the potential to cause worldwide biological disruptionReferencing/SourcesBuz/ed Causes and effects of land pollution Online purchasablehttp//www.buzzle.com/articles/causes-and-effects-of-land-pollution.html (accessed 20th work on 2011)Biodiversity lectures Online Availablewww.uws.ac.uk field Geographic Air pollution Online Availablehttp//environment.nationalgeographic.com/environment/global-warming/pollution-overview.html (accessed 20th march 2011)Goudie, A. and Viles, H.(1997) The Earth Transformed An introduction to human impacts on the environmentImages Radioactive waste Online Availablehttp//homepages.uel.ac.uk/u0852279/Docs/Radioactive.html Picture (accessed 20th march)Air pollution Online Availablehttp//homepages.uel.ac.uk/u0852279/Docs/Air.html (accessed 20th march 2011)Land Pollution Online Availablehttp//homepages.uel.ac.uk/u0852279/Docs/Land.html (accessed 20th march 2011Water Pollution Online Available http//homepages.uel.ac.uk/u0852279/Docs/Water.html (accessed 20th march 2011)Image Online Availablewww.imagesfrom.co.cc (accessed 20th march 2011)Water Pollution Online Availablehttp//library.thinkquest.org/26026/Environmental_Problems/water_pollution_-_effects.html (accessed 20th march 2011)Habitat Destruction Online Availablehttp//www.library.thinkquest.org/08aug/00473/habitatdestruction.html (accessed 20th march 2011)Japan Earth Quake Online Availablehttp//news.slashdot.org/story/11/03/12/038218/Nuclear-Emergency-Declared-At-2-Plants-In-Japan?from=rss (accessed 21th march 2011)Water Pollution Online Availablewww.peakwater.org (accessed 22nd march 2011)University of the West of Scotland (n.d.) Student Services Mini Guide Hamilton Campus. s.l. UWS
Saturday, June 1, 2019
Danielle Steels The Ring - A Thin Line Between Fiction and Reality :: Danielle Steel Ring Essays
Danielle Steels The Ring - A Thin Line Between Fiction and RealityFiction can be considered something invented by the imagination. Although many a(prenominal) people might feel that manufacture is totally exclusive of reality, I believe that there is a very thin line between fiction and reality. This is proved in Danielle Steels The Ring, where she has used common characters and placed them in realistic situations, facing everyday realistic issues. The Ring gives the reader a sense of pragmatism in a fictitious novel. In fact, Danielle Steel does a really good job, portraying the characters in realistic situations such as Kassandra dealing with her routine, Walmar playing as an overprotective father to Ariana and Gerhard, and Ariana struggling to find her family. All these characters have been intertwined in a real historical setting that has, to some extent, led to their dilemmas. Kassandras affair with Dolff is a result of being married to an elderly man, Walmar, in an arrang ed marriage. While Kassandras affair cannot be justified, it is dealt with realistically as many women might charter in a similar activity under the given circumstances. These circumstances are best described by Danielle Steel, as follows, Her assistance wasnt needed, her help, or her love, or her time (20). There is no doubt that some women in her place would have an affair to feel special, important, and needed. And that is exactly how Dolff has made her feel. Danielle Steel confirms, And with Dolff, Kassandra had found what she had constantly so desperately needed, someone who understood the odd meanderings of her soul, the longings, the fragmented pieces, the rebelliousness against the lonely restrictions of her world (12). While this affair may seem immoral and wrong, it presents a realistic state that many people, both men and women can relate to, as seen in the movie version. Even the brutal murder of Dolff by the Nazis and Kassandras suicide are realistic consequences foreshadowed in Walmars earlier warning to Kassandra to stop the affair.Walmar also plays a pivotal part in The Ring, and just analogous Kassandra, he has been placed in some harsh and realistic circumstances as an overprotective father. Walmar has grown more attached to his children, Ariana and Gerhard, after his wifes suicide. Just like any father, Walmar wants to protect his children from anything and everything, after losing their mother.
Mary, Eve, and Lilith in Shakespeares King Lear, Othello, and Macbeth
Mary, Eve, and Lilith in King Lear, Othello, and Macbeth Feminist criticism often searchs the emblematical or archetypal use of the Biblical figures of Mary and Eve in literary criticism. One figure which seems appropriate to such discussions, but so outlying(prenominal) neglected it seems, is the figure of Lilith. Indeed, in the case of Shakespearean criticism, Lilith seems an appropriate model at times for such characters as Goneril, Regan, Lady Macbeth, and so forth. Accordingly, it is my intention to explore this lost archetype and relate it to three of Shakespeares tragedies King Lear, Othello, and Macbeth. To begin, Lilith is an enigma in many circles, with varying tales and legends ascribed to her. In certain aspects of Jewish folklore, Lilith is believed to have been the original married woman of Adam who was exiled from Eden and replaced with the better known Eve because she refused to submit to Adams male authority (Grolier Lilith). According to one version, she sl ept with Adam after the Fall and birthed evil liquor and also supposedly the devil and birthed the jinn (Arabic demons of legend, sometimes ascribed as being genies). Later in legend, she became identified as a succubus who caused nocturnal emissions associated with wet dreams in men and the birth of witches and demons called lilim. Charms were created to protect from her influence and she was believed to have stolen and slain children (Grolier Lilith). She is mentioned in the Talmud in several places. Among these references include Rabbi Jerimia ben Eleazar further stated In those years, after his forcing out from the Garden of Eden, in which Adam...,was under the ban, he begot ghosts and male demons and fema... ... Rev. ed. Baltimore Penguin, 1969. 1021-1057. Smith, Jeffrey. Lilit, Malkah ha-Shadia. Babalon-1. Online. Internet. 25 Apr. 1996. Available hide http//lark.cc.ukans.edu/rrosen/lilith/lilit.html Link no longer active The Story of Lilith. Alphabet of Ben Sira 2 3A-B. Ed. Michael Abrahams. Online. Internet. 25 Apr. 1996. Available Address http//www.ed.ac.uk/p92002/lilith.html Link no longer active Vanita, Ruth. Proper men and fallen women the unprotectedness of wives in Othello. Studies in side of meat Literature, 1500-1900 Spring 1994 341-356. InfoTrac EF Expanded Academic ASAP 1993-April 1996. CD-ROM. Information Access. April 1996. Zender, Karl F. The humiliation of Iago. Studies in English Literature, 1500-1900 Spring 1994 323-339. InfoTrac EF Expanded Academic ASAP 1993-April 1996. CD-ROM. Information Access. April 1996.
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