Ch. 5 Mood Disorders Flashcards
DSM-5-TR criteria for major depressive disorder
- sad mood or loss of interest and pleasure (anhedonia)
at least 5 symptoms total - symptoms are present nearly everyday, most of the day, for at least two weeks
- distinct and more severe than a normative response to a significant loss
- episodic: episodes of depression that dissipate over time
- recurrent
symptoms of MDD
- sleeping (too much / too little)
- psychomotor retardation or agitation
movements are too slow / too fast - poor appetite and weight loss or increases appetite and weight gain
- loss of energy
- feelings of worthlessness or excessive guilt
- difficulty concentrating, thinking, or making decisions
- recurrent thoughts of death or suicide
not chronic
DSM-5-TR criteria for persistent depressive disorder
- depressed mood at least two years (1 for children / adolescents)
- plus two
- symptoms do not clear for more than two months
- bipolar disorders are not present
symptoms of PDD
- poor appetite or overeating
- sleeping too much or too little
- low energy
- poor self-esteem
- trouble concentrating or making decisions
ADHD - feelings of hopelessness
etiology of depression
- depression is common
- 2X as common for women; 3X as common among those in poverty
- prevalence varies across cultures
- symptoms vary across cultures
depression is common
- lifetime prevalence: 16.2% MDD; 5% depressed for 2+ years
- coming from within oneself
depression for women / poverty
- more diagnosed in women
- poverty: growing up in it; their reality and everything revolves around this status
depression across cultures
- MDD: 6.5% in China; 21% in France
- cultural factors play important roles in depression rates
- may not be appropriate to display
- somatic symptoms (pain, fatigue)
- Racial / Ethnic minorities in the US face a lot of stressors
depression age of onset
early 20s; substantial decrease over past 50 years
depression comorbidity
- 5-30% with MDD experience PDD
- 60% with MDD will meet criteria for anxiety disorder at some point
bipolar disorders
- severity and duration of mania defining feature of:
Bipolar I, Bipolar II, and cyclothymia (emotional ups / downs) - mania
- episode of depression (not required for BP I)
mania
state of intense elation, irritability, or activation
- hypomania – less time, usually no significant impairment
DSM-5-TR criteria for manic & hypomanic disorders
- elevated / irritated mood
- abnormally increased activity / energy
- personal stress & functional impairment
- plus 3 others (4 if irritable)
- symptoms present daily, for most of the day
symptoms of manic & hypomanic disorders
- increased goal-directed activity or psychomotor agitation
- rapid speech
- racing thoughts
- decreased need for sleep (differentiation between drug use)
- increased self-esteem / grandiosity
- distractibility
- excessive involvement in risky behaviors
mania symptom criteria
- symptom duration at least one week, require hospitalization, or include psychosis
- significant distress or functional impairment
- physiology shows differences in bodily wear and tear
hypomania symptom criteria
- symptom duration at least four days
- observable changes in functioning, but no marked impairment
- no psychosis
DSM-5-TR criteria for bipolar I
- at least one depressive episode or mania
- not due to drugs or psychosis
- super intense mania with / without depression
- history of major depressive episodes (not required)
DSM-5-TR criteria for bipolar II
- at least one major depressive episode
- at least one episode of hypomania
less intense; 4 days - no mania
DSM-5-TR criteria for cyclothymic disorder
- milder and more chronic form of BP
- symptoms last at least two years in adults (one in children / adolescents)
- numerous periods with hypomanic or major depressive episode
does not meet criteria for hypomania or major depressive episode
symptoms consistent for more than two months at a time, and cause significant stress / impairment - less is known relative to other mood disorders
epidemiology & consequences of BP disorders
- prevalence lower than MDD
1% in US, 0.6% worldwide for BP I, 0.4 - 2% for BP II
4% cyclothymia - average onset in the 20s
- no sex differences in rates, but depression more common in women
- severe mental illness
15% unemployed full-time in past year
suicide rates high (1:4 report attempts)