Psychology › Section O · Psychological disorders › Topic O.7
Mood and related disorders
Everyone's mood rises and falls, but in mood disorders the lows and highs become extreme, long-lasting and disabling; depression is one of the leading causes of disability worldwide. This topic is for education only, not for diagnosing yourself or anyone else; if you are struggling, see a qualified professional, and in the US call or text 988 in a crisis.
In this topic
- Two groups of mood disorders
- Major depressive disorder
- Other depressive disorders and specifiers
- Mania, hypomania and bipolar disorders
- How common are mood disorders?
- Biological factors
- Stress and thinking patterns
- Worked example: explaining a setback
- Suicide: facts and warning signs
- Worked example: myths and evidence
- Common mistakes to avoid
- Key takeaways
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