Mood disorders

Question 1

Seasonal affective disorder cause

Answer 1

suppression of melatonin and delayed circadian rhythm

Question 2

major depression - needs to not appear

Answer 2

no hallucinations, no manic or hypo manic episodes

Question 3

Major depression diagnosis

Answer 3

least 1 major depressive episode
5 or more symptoms present for a 2 week period: (at least one is 1 or 2)

1. depressed mood
2. loss of interest or pleasure
3. significant weight loss or gain
4. insomnia or hypersomnia
5. psychomotor agitation or retardation
6. fatigue or loss of energy
7. feeling worthless or excessive inappropriate guilt
8. inability to think, concentrate or indecisivness
9. recurring thoughts of death
10. recurring suicidal ideation, suicide attempt or plan for suicide

Question 4

Bipolar 1

Answer 4

major depressive episodes alternate with mania

Question 5

Bipolar 2

Answer 5

major depressive episodes alternate with hypomania (milder)

Question 6

Cyclothemic disorder

Answer 6

marked by numerous episodes of hypomanic symptoms and mild depressive symptoms -> resembles dysthemia

Question 7

manic episodes

Answer 7

last at least 1 week - 3 or more symptoms
1. inflated self-esteem
2. decreased need for sleep
3. more talkative
4. flight of ideas - racing thoughts
5. distractability
6 increased goal-directed activity or psychomotor agitation
7. activities with high potential for painful outcomes