Mood Disorders Flashcards
Major depressive disorder
- severely depressed mood
- last 2 or more weeks
- feeling of worthlessness and lack of pleasure, lethargy and sleep and appetite disturbances
- significant loss or gain of weight
- agitation or retardation
- insomnia, hypersomnia
Dysthymia (unipolar)
- same cognitive an bodily problems as depression
- less severe
- Last longer (2 yrs or more)
- can function
- poor appetite; insomnia; low self esteem; feelings of hopelessness; poor concentration; can’t make decisions
Double depression
- major depression
- dysthymia
- major periods of major depression
Seasonal affective disorder
- seasonal pattern of depression
- due to reduced levels of light during some seasons
- higher latitudes
Biological factors of depression
- heritability depends on severity
- inc levels of NE and serotonin-linked with depression
- less activity in left prefrontal Cortex (process emotions)
- stroke patients have high incidence of depression
Psychological factors
- helplessness theory
- negative thoughts must precede this disorder
Helplessness theory
Individuals prone to depression automatically attribute neg experiences to causes that are internal, stable and global
- depressive biases in thinking and memory
- Aaron beck
Suicide risk and prevention
- 11th leading cause of death in us 3rd in hs and college
- variety of motives: biological or contagious (werther effect)
- white males: higher risk earlier in life
- black males: higher risk later in life
Bipolar disorder
Unstable emotional condition cycles of high mood (mania) and low mood (depression)
-also includes cyclothymia
Manic episodes
- persistent elevated, expansive or irritable mood
- secrecy need for sleep
- more talkative
- racing thoughts
- attention to irrelevant stimuli
- high potential for painful consequences
- marked impairment always and sometimes psychotic features
Hypo manic episode
- restless, consumed with confidence
- not as prone to gloom following mania
- can cause bursts of creative work
- problem: can lose balance between right amount of energy and too much
- no psychotic features
- no marked impairment
Types of bipolar disorder
- bipolar I: history of manic and depressive episodes
- bipolar II: hypo manic episodes and major depressive episodes
Cyclothymia
-2 yr duration of numerous alternating periods of hypomanic symptoms and depressive symptoms
Bipolar disorder without psychotic features
Mental state can be
-manic episode
-mixed episode
-major depressive episode
The diagnosis is bipolar as long as there’s a history of mania
-ie: if person is depressed and has history of mania, diagnosis will be bipolar disorder, depressed
Mixed episode
- alternating between mood states within an episode
- special case of rapid cycling
Psychotic features
specifier: add to end of diagnosis
presence of psychotic features in mood disorders seen in:
- mood congruent delusions
-hallucinations
-add to bipolar or major depression: so severe it leads to psychotic disorders
Mood congruent delusions
- depressive delusions of worthlessness/repulsion of self
- manic delusions of grandeur
- unlimited power and influence
- delusions match mood: ie depressed, should feel worthless
- ie depressed and have hallucinations that CIA is on roof, that’s consistent with schizophrenia
Hallucinations
Typically auditory
Video-latiffa
- bipolar I
- delusional; scattered, distracted; grandiose; doesn’t sleep
- treatment: medication