Discuss evolutionary explanations of human aggression One evolutionary explanation of human aggression is sexual jealousy. Infidelity triggers sexual jealousy which is an evolved adaptive response to infidelity. Men have developed many strategies from vigilance to violence to stop their partner committing adultery. Men never know for certain that the baby is theirs and could be investing in another man’s baby. In a questionnaire‚ if women reported that their partner did not like them talking to
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Biological explanations for anorexia nervosa Biological explanations for anorexia nervosa include neural explanations and evolutionary explanations. 1st BIOLOGICAL EXPLANATION - Neurotransmitters -Serotonin Disturbances in the levels of the neurotransmitter serotonin appear to be a characteristic of individuals with eating disorders. Kaye 2005 found a reduction in the levels of the serotonin metabolite 5-HIAA in people with eating disorders. This suggests that brain serotonin pathways are underactive
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Discuss issues of reliability and validity associated with the classification and diagnosis of phobic disorders (24 marks) The biological explanation for the acquisition of phobic disorders establishes that phobias are caused by genetics‚ innate influences and the principles of biochemistry. This theory recognizes that an oversensitive fear response may be inherited‚ causing abnormal levels of anxiety. This is illustrated in the basis of inheritance‚ particularly the adrenergic theory that convicts
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There is only one model for monopoly and one for perfect competition but in contrast to these oligopolies have several models to try to explain how they react‚ examples of these are the kinked demand curve‚ Bertrand and Cournot models. A non competitive oligopoly is ‘a market where a small number of firms act independently but are aware of each others actions’ (Oligopoly‚ Online). In perfect competition no single firm can affect price or quantity this is due to intense competition and the relative
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1a. Outline the clinical characteristics of OCD. [4] The DSM-4 states that for one to be diagnosed with OCD‚ one must have either obsessions‚ compulsions or both. To be diagnosed with having obsessions‚ the patient must have recurring‚ persistent intrusive thoughts that cause marked distress or anxiety‚ and must have insight into the fact that the thoughts are a product of their own mind. To have compulsions‚ the patient must feel the need to repeat physical behaviours‚ which occur as a response
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Outline and evaluate psychological explanations for OCD (8+16 marks) One psychological explanation for OCD is the behavioural approach. The behavioural approach breaks obsessions and compulsions into separate categories. Mowrer (1960) suggests that the acquisition of fear and anxiety is a two-step process in which firstly the neutral stimulus is associated with anxiety through classical conditioning for example a child being told that food which has been dropped on the floor is disgusting‚ this
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exemption of $10‚000 and a homestead exemption of $20‚000. The property tax rate is $5 per $100 AV. What will be the property tax bill on this property? Student Answer: $7‚500 $7‚000 $6‚500 $6‚000 Instructor Explanation: @ Chapter 10. This owner has an adjusted (for exemptions) AV of $150‚000-$30‚000 = $120‚000. If the tax rate is $5 per $100 of AV‚ then the tax bill will amount to ($5) ($1200) = $6‚000. Points Received: 4 of 4 Comments: 2. Question
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Psychological explanations of Schizophrenia |Explanations |Studies (A01/A02) |Key Points | |Psychological | |AO1 | |
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words: schiz meaning split’ and phren meaning mind’. DSM IV (1994) estimate that the occurrence rate of schizophrenia ranges from 0.2%-2.0% worldwide. There are two main explanations of schizophrenia: the biological explanations and the psychological explanations. In this essay I will critically consider the biological explanations. These include genetics‚ neurochemistry‚ brain structure and evolution. Genetic factors of schizophrenia can be explained using studies on twins and studies on family
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Describe and evaluate biological explanations of depression There are many different explanations for depression‚ including biological. Links have been found between biochemical‚ genetics and hormonal imbalances with depressed people. In the biochemical explanation‚ a link has been found between neurotransmitter imbalances and depression. Serotonin is associated with pleasure and mood. Mann et al found impaired transmission of serotonin in people with depression. However Julian disagrees with
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