depressive disorders
presence of sad, empty, or irritable mood along with physical/cognitive changes that affect a person’s ability to function
depression
1 reason people seek mental health services
top cause of disability in world
more common in women
depression possible causes
biological, genetic, social, cultural, behavioral, or cognitive sources
major depressive disorder
experience 5+ symptoms lasting 2+ weeks in absence of medical condition
- one is depressed mood, loss of interest or pleasure
mdd symptoms
depressed mood most of day
diminished interest in activities
significant weight loss or gain
insomnia
physical agitation or lethargy
mdd risk factors
neg. childhood experiences esp. when there are multiple ones of diverse types
stressful life events
first degree fam with mdd
chronic/disabling medical conditions
persistent depressive disorder
ppl experience depressive mood on more days than not for at least 2 years
bipolar disorder
alternating periods of mania and depression
bipolar causes
biological, genetic, social, cultural, behavioral, or cognitive sources
both men and women
bipolar I
most severe, euphoric, talkative, highly energetic, overly ambitious state that lasts a week or longer
bipolar II
less severe, where people move between depression and milder hypomania (higher energy)
bipolar manic episode
period of extremely energetic, happy, or irritable moods that last for at least a week and deviate from normal positive moods
bipolar depressive episode
same as mdd
bipolar neurobiological factors
depression cause brain reward centers to become less active
norepi is scarce during depression and over in mania
serotonin is scarce during depression