Mood Disorders

used to be called ‘affective disorders’ but now called ‘mood disorders’ because it doesn’t only affect the transitory external affect
Best considered as ‘syndromes’ 🡪 cluster of signs/Sx sustained over weeks/months that represent a marked departure from a person’s normal habitual functioning
Mood may be: normal, elevated or depressed (normal to have wide range but are in control)

	ELEVATED MOOD		DEPRESSED MOOD
	expansivenessflight of ideasdecreased sleepheightened self-esteemgrandiose ideas		loss of energy & interestguilt feelingsdifficulty concentratingloss of appetite thoughts of death/suicide

MOOD DISORDER		FEATURES
Major Depressive Disorder (Unipolar depression)		only major depressive episodes (at least 2/52)
Bipolar disorder		both manic & depressive episodes or if mania alone (mania alone also called unipolar mania, pure mania or euphoric mania). Type I = one or more manic episodes with depressive episodes Type II = episodes of hypomania instead of full mania
Hypomania		episode of manic Sx that does not meet the full criteria for mania because does not have social/occupational impairment & no psychotic features (DSM-IV-TR) (at least 4/7)
Mania		at least 1 wk or less if hospitalised. Abnormally elevated mood + DIGFAST (distractibility, indiscretion, grandiosity, flight of ideas, activity ↑, sleep ↓, talkativeness) (for at least 1/52)
Dysthymic disorder		less severe form of MDD (2 yrs or more of depressed mood but not meeting criteria for MDD)
Cyclothymic disorder		less severe form of bipolar I disorder (2 yrs or more of frequently occurring hypomanic Sx that cannot fit mania & depressive Sx that cannot fit MDD)

Depressive Disorders