Biological Psychology

Biological Psychology
Answer all the questions Make sure that the questions are numbered correctly on your answer sheet.

Section 1

1. The biological model of abnormality can be explained in terms of genetics, biochemistry, neuroanatomy and infection. With reference to
two
of these, explain the assumptions and implications of the model. Use research evidence to support and illustrate your answer.

2. Evaluate the effectiveness of the biological model of abnormality. Use research evidence and/or alternative explanations/models to support and illustrate your answer.

Section 2 Read the following case study and answer the questions.

Molly is 16 years old and is studying for her GCSE’s; she is constantly anxious and studies for several hours every evening after school and all day during the weekend. She has recently lost a significant amount of weight and has admitted to her mum that she believes that she is “fatter” than her friends, which makes her feel less attractive and more self-conscious. Although it was never diagnosed, her mum showed symptoms similar to those found in anorexia when she was a teenager and has always been very health-conscious in terms of her diet and exercise regime. Molly is now eating very little, restricting her food intake to less than 700 calories per day. Molly’s GP has now confirmed that she has anorexia nervosa and has suggested two possible treatments: anti-depressants or psychotherapy.

1. What symptoms will Molly display if she is suffering with anorexia nervosa?

2. Using two biological explanations, how would research explain the origins of anorexia in Molly’s case?

3. Evaluate the effectiveness of the two biological explanations in relation to Molly’s case. Use research and/or alternative explanations/models to support and illustrate your answer.

1. Select one of the treatments recommended by the GP and answer the following questions:
a) Identify the specific treatment, eg, type of anti-depressant or psychotherapy
b) Describe how the treatment works
c) Identify the key strengths and weaknesses of the treatment
d) Explain why you consider this to be the best treatment for Molly

ANSWERS
(C) (D)

Anti- depressant drugs

Effectiveness of SSRIs

· Selective serotonin reuptake inhibitors (SSRIs)

· After carrying a message, serotonin is usually reabsorbed by the nerve cells – reuptake

· SSRI’s work by blocking “inhibiting” reuptake, so that more serotonin is available to pass further messages to other nerve cells

· Resultant rise in serotonin levels should work to help improve mood and enable patient to engage/respond to other treatments, eg CBT

· May take several weeks to effect change

· Have been seen to be effective in elevating mood

· Targets physical symptoms & are easy to administer

· Can have side effects, including increasing anxiety, feeling sick or dizzy, and reducing sex drive

· Does not address other cognitive or behavioural issues

Jennifer Iyoha

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