Bipolar Disorders Flashcards
Mania
State of intense elation or irritability, along with activation and other symptoms shown in diagnostics
Bipolar I disorder
1 manic episode is sufficient. Prev: 0,6-1%
Bipolar II disorder
At least one lifetime hypomanic episode and one major depressive episode (Milder form). Prev 0.4-2%
Cyclothymia
Recurrent mood changes from high to low for at least 2 years, without hypomanic or depressive episodes. Chronic mood disorder. Prev 4%
Hypomania
(under) mania, less extreme. Involves a change in functioning that fdoes not cause serious problems.
Genetic contribution
MD moderate
Bipolar High
Heritability of MDD 37%. Bipolar is 93%.
key brain regions involved in mood disorders
Amygdala ; elevated Anterior cingulate cortex; elevated Regions of prefrontal' diminished Hippocampus; diminished Stratum; diminished in MD, elevated in mania
CAR response (cortisal awakening response)
Longer baseline is related to higher risk of MD. Also elevated in bipolar disorder (though more tied to depression)