Chapter 5 Flashcards
1
Q
MDD Criteria
A
- Sad mood or loss of pleasure in daily activities
- 5 of the following: Sleep problems, Psychomotor retardation, Change in appetite, loss of energy, feelings of worthlessness or guilt, concentration problems, Thoughts of suicide
- Symptoms are present every day for at least 2 weeks
2
Q
PDD criteria
A
- depressive symptoms for at least two years and 50% of the time
- Bipolar not present
- symptoms dont clear for more than 2 months
3
Q
Lifetime prevalence of MDD
A
US 16%
4
Q
3 forms of bipolar disorders
A
- Bipolar 1
- Bipolar 2
- Cyclothymic disorder
5
Q
criteria Manic episodes
A
- Distinctly elevated mood
- Abnormally increased energy levels
- three minor symptoms
- At least 1 week.
- Significant distress or impairment
6
Q
Hypomanic criteria
A
- at least 4 days
- clear changes in functioning but no impairment
- no psychotic symptoms
7
Q
Bipolar 1 criteria
A
1 manic episode
8
Q
Bipolar 2 criteria
A
one depressive and one hypomanic episode.
No manic episode
9
Q
Cyclothymic disorder criteria
A
- at least 2 years almost hypomanic and depressive episodes
- symptoms don’t clear for 2 months
- no depressive manic or hypomanic episode
- Distress and dysfunction
10
Q
Prevalence bipolar disorders
A
1: 0.6-1%
2: 0.4-2%
Cyclo: 4%
11
Q
Heritability of MDD and Bipolar
A
MDD: 37%
Bipolar: 93%
12
Q
Neurotransmitters involved in mood disorders
A
- Dopamine
- Serotonin
- Norepinephrine
13
Q
MDD and Bipolar neural regions differences
A
- Amygdala elevated
- anterior cingulate elevated
- PFC diminished
- Hippocampus diminished
- Striatum diminished in MDD and elevated in mania
14
Q
Social factors in depression
A
- Childhood adversity
- Vulnerability to stress
- lack of social support
- Expressed emotion
- Interpersonal problems
15
Q
Psychological factors in depression
A
- Neuroticism predicts MDD
- Becks theory: negative triad, negative schemas acquired in childhood
- Hopelessness theory: Attributing events to external and permanent factors
- Rumination theory: Tendency to dwell on sad experiences and thoughts