29.07.2010 Public by Shaktinris

Describe and evaluate biological explanations of -

You need to be able to describe, evaluate and compare TWO biological explanations of schizophrenia. One of them MUST be the functioning of neurotransmitters (the "Dopamine Hypothesis"), so you need to know this in detail and the Exam could ask your specifically about neurotransmitters.

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As Psychology - Biological Explanation Of Psychopathology

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Describe and evaluate biological explanations of, review Rating: 86 of 100 based on 125 votes.

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Comments:

18:12 Nebei:
Overall, Tsuang et al estimate that if stringent criteria are used, a first degree relative of schizophrenia has times higher risk of it developing than those with no relatives.

13:33 Goltizahn:
The theory is also reductionist because it ignores the main role of nurture, however it does state that a predisposition is inherited allowing for the role of nature in the initiation of the illness.

13:43 Nejora:
Most evidence comes from research using family studies which indicate that the closer the genetic relationship to someone with schizophrenia the greater the chance of developing the disorder Gottesman

14:36 Kazrami:
Supporting evidence for the dopamine hypothesis can be found by research by Wong et al who conducted PET scans on medication free schizophrenics, those taking phenothiazines and normal controls matched for age. Although other studies have shown other rates, all twin studies have shown a significantly higher rate among MZ than DZ twins, therefore suggesting that A history of voodoo into this area is reliable, making the genetic explanation academically credible to explain schizophrenia. Weinbereger argues that schizophrenia is due to dopamine overactivity in the pathways linking the midbrain to the limbic Audiology application essay, and underactivity linking the midbrain to the cortex.