Mood Disorders Flashcards
Difference between emotion and mood?
Mood is sustained (days, weeks, or longer)
2 “low” mood disorders?
major depressive disorder
persistent depressive disorder
3 “low/high” mood disorders?
bipolar I
bipolar II
cyclothymia
Lifetime prevalence and annual incidence of major depressive disorder?
12-17%
1.6%
MDD criteria?
low mood or anhedonia \+ 4 of following: Sleep disturbance Interest reduction Guilt Energy loss Concentration impairment Appetite changes Psychomotor change Suicidal thoughts
Predisposing factors for MDD?
serotonin receptor polymorphisms childhood illness unemployment loss of parent before age 11 social isolation childhood abuse
Duration of MDD episode (treated and non)
9 months
3 months
MDD recurrence?
50% after 1st episode
85% lifetime recurrence
consider lifetime meds after 3 episodes
Sleep changes in depression?
less stage 3-4 sleep
shortened REM latency (get there quicker)
increased REM duration
Best predictor of attempting suicide?
past attempt
Prevalence of substance-induced mood disorder?
0.3%
Mania criteria?
Distractible Impulsive behavior Grandiosity Flight of ideas Activity increase Sleep decrease Talkativeness
Bipolar I criteria?
manic episode not explained by meds or other condition.
Bipolar II disorder criteria?
major depressive episode and hypomania
What is hypomania?
4 days of elevated, expansive, irritable mood
and
abnormal increased activity or energy