1. © Banff and Buchan College 2004 Mood Disorders

2. © Banff and Buchan College 2004 Mood Disorders Clinical characteristics Biological perspective –Genetic –Neurochemical Psychological perspective –Cognitive

3. © Banff and Buchan College 2004 Depression 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

4. © Banff and Buchan College 2004 Mania 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

5. © Banff and Buchan College 2004 Mood Disorder Types Unipolar (depression) –Major depressive disorder (Endogenous or reactive) –Disthymic disorder –Psychotic depression Bipolar (alternating depression and mania) –Major bipolar disorder –Cyclothymia

6. © Banff and Buchan College 2004 Prevalence Unipolar –Lifetime prevalence of 5-9% in population –About 2x 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

7. © Banff and Buchan College 2004 Henderson Road, Fraserburgh, AB43 9GA Tel: (01346) 515777 Fax: (01346) 515370 www.banff-buchan.ac.uk enquiries@banff-buchan.ac.uk