Clinical characteristics Biological perspective Genetic Neurochemical Psychological perspective
Clinical characteristics Biological perspective – Genetic – Neurochemical Psychological perspective – Cognitive www. psychlotron. or Mood Disorders
Psychological symptoms: – Persistent low mood – Diminished pleasure in normal activities – Feelings of guilt or worthlessness – Suicidal ideation Physical symptoms: – Fatigue/loss of energy – Changes in weight/appetite – Insomnia or hypersomnia www. psychlotron. or Depression
Psychological symptoms – Inflated self-esteem/grandiosity – Flight or ideas/racing thoughts – Extreme distractibility – Increased goal-directed behaviour – High risk hedonistic behaviour Physical symptoms – Psychomotor agitation – Decreased need for sleep www. psychlotron. or Mania
Unipolar (depression) – Major depressive disorder (Endogenous or reactive) – Disthymic disorder – Psychotic depression Bipolar (alternating depression and mania) – Major bipolar disorder – Cyclothymia www. psychlotron. or Mood Disorder Types
Unipolar – Lifetime prevalence of 5 -9% in population – About 2 x more likely in women – Increased rates in adolescence, old age Bipolar – Lifetime prevalence of about 1% in population (possible underestimate) – MBD more slightly common in men, cyclothymia slightly more common in women NIMH data for US population www. psychlotron. or Prevalence
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