Explanations of effective disorder (despression)

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Explanation of one disorder (Depression)
- Behavioural explanation
  - Lewinshon et al- Behavioural approach to Depression
    - AIM- compare amount of 'positive reinforcement' received by depressed and non-depressed participants.
Generablisability- small sample only 30 p's, difficult to generalise.
- EVALUATION
  - AIM- compare amount of 'positive reinforcement' received by depressed and non-depressed participants.
Wender et al - Psychiatric disorders in biological and adoptive families
- Biological explanation
  - Explanation of one disorder (Depression)
    - Behavioural explanation
      - Lewinshon et al- Behavioural approach to Depression
Main depressive symptom is expectation that whatever you do, nothing will change.(This is learned helplessness)
- This was then related to depression in humans.
  - Seligman- Learned helplessness in Depression
    - Original learned helplessness was an animal learning study.
      - Dog was given electric shock which it couldn't escape and would show learned behaviours 24 hours later.
        These behaviours included not trying to excape, not following one escape with another, passively enduring electric shocks.
        Concluded that dogs learned that responses and outcomes were not related so didn't bother trying to respond to shocks by trying to escape

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