The Biological Approach- model answers WJEC PY1 Psychology

A complete set of model answers which scored full marks for the assumptions, theory, therapy, strengths, weaknesses and methodology of the Biological Approach in WJEC PY1 Psychology. 

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  • Created by: lalala
  • Created on: 31-12-12 15:24

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The Biological Approach
One assumption of the Biological Approach is that behaviour can be explained in terms of brain
structure and if one area of the brain is damaged, a particular function is impaired or destroyed. The
cerebral cortex responsible for higher cognitive functions can be divided into four lobes…

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The Biological Approach assumes that behaviour can be explained in terms of neurotransmitters and
that a shortage or too much of a certain neurotransmitter leads to disordered behaviour. The aim of
chemotherapy is to fix imbalances of neurotransmitters through the use of psychoactive drugs and
therefore treat disorders such as…

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One weakness of the Biological approach is that it is nomothetic. This approach believes that all
individuals are made of the same biological systems and therefore any research can be generalised,
however research has shown that individuals are different. For example, it has been found that
people produce different levels…

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The Biological Approach assumes that areas of the brain and brain activity is responsible for
behaviour. Brain scans such as the EEG, CAT, MRI and PET scans are used in order to support this.

EEG scans work by placing electrodes on the brain to measure activity. Although these scans have…


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