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Psychology PY1 Revision Guide: Biological Approach Ash
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Biological Approach Examination Key Points and Ideas Case Studies
References
Assumptions:
Outline two assumptions of the 1. Behaviour can be explained in terms of
different areas of the brain.
biological approach.
2. Behaviour can be explained in terms of

neurotransmitters.…

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Psychology PY1 Revision Guide: Biological Approach Ash
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Stage 1: Alarm Reaction: Rats were exposed to various noxious agents:
The threat or the stressor is recognised and a cold, surgical injury, production of spinal
response is made to the alarm. The shock (cutting the spinal cord), excessive
hypothalamus…

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Psychology PY1 Revision Guide: Biological Approach Ash
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Describe how the biological physiological triad seen in the first
approach has been applied in either stage.

psychosurgery or chemotherapy? The results support the `doctrine of non
specificity', that there is a non specific
response of the body to any…

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Psychology PY1 Revision Guide: Biological Approach Ash
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Strengths and Weaknesses Strengths and Weaknesses
Strengths Strengths
1. Scientific Approach 1. Scientific Approach Case Study
The biological approach has clear Research has been investigated the
variables that can be measured, tracked links between psychoactive drugs and
and examined. This…

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Psychology PY1 Revision Guide: Biological Approach Ash
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Explain and Evaluate the Mental illnesses have many different The biological approach looks at
methodology used by the biological causes however the biological approach schizophrenia by measuring the
approach. only focuses mainly on the nature side, abnormal levels of certain…

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Psychology PY1 Revision Guide: Biological Approach Ash
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MRI scans can take a long time and be
uncomfortable for the patient.

Twin Studies
One of the assumptions of the biological Twin Studies:
Bouchard and McGue (1981)
approach is the influence of genes on
They studied the inheritance of…

Page 7

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Psychology PY1 Revision Guide: Biological Approach Ash
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genes, but are also often raised in
exactly the same environment, and are
treated in the same way in all areas of
life (family, education, etc).
Concordance rates from psychological
research are therefore be treated with
caution as it's difficult…

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