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Outline and evaluate the explanation of two or more mental disorders from an evolutionary perspective (24 marks) The evolutionary explanation suggests that depression and anxiety are adaptive responses. This is due to our coping strategies back in the time of the environment of evolutionary adaptation (EEA). Since we have experienced genome lag, our bodies have not caught up to adapt to our modern living. Unipolar and bipolar depression are two different types of depression, Unipolar is where a person experiences a complete low mood throughout their depression stages, whereas bipolar is where a person experiences a complete low mood, followed by episodes of mania. Back in the time of the EEA, we experienced depression when we suffered a loss, for example, loss of status. The stages of depression help to overcome the loss and to bring the person back to their usual state. This behaviour has become adaptive and we still experience...

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