AQA Specification:
Differences between unipolar depression, bipolar depression and sadness. The use of International Classification of Diseases in diagnosing unipolar depression: number and severity of symptoms including low mood, reduced energy levels, changes in sleep patterns and appetite levels, decrease in self-confidence.
Biological explanation (influence of nature): imbalance
of neurotransmitters, eg serotonin in the brain.
Psychological explanation (influence of nurture):
negative schemas and attributions.
Use of antidepressant medications.
Cognitive behaviour therapy (CBT).
How these improve mental health, reductionist and
holistic perspectives. Wiles’ study of the effectiveness
of CBT.