Affective Disorders Flashcards
Mental state examination?
Appearance speech mood thought perception cognition insight
Anhedonia?
Inability to feel pleasure
What is psychomotor retardation?
ETA is when the thoughts slow down and physical activity is reduced.
Hypochondriacs?
A person who believes they have a medical condition that is undiagnosed.
Diagnosis of major depressive disorder?
2 weeks 5 or more symptoms:
- Depressed mood most days,
- Lack of pleasure or interest
- Insomnia or hypersomnia
- Fatigue
- Eating more or less
- Suicidal thoughts
- Guilt or self blame, feelings of worthlessness
- Diminishes ability to think or decide
- Phsychomotor retardation or agitation
Must cause significant distress or functional impairment
Hypothyroidism?
Psychomotor retardation, fatigue
Melancholia?
Type of depression, loss of pleasure, lack of reactivity, depressed empty mood.
In morning, marked agitation, lack of appetite, and feelings of guilt and remorse
Atypical depressions?
Weight increase, excessive sleep, leaden paralysis , mood reactivity interpersonal rejection sensitivity
Manic episode?
1 week most of time: 3 or more of following
Elevated irritable mood, increased energy
- Inflated self esteem or grandiosity
- Decreased need for sleep
- More talkative
- Flight of ideas
- Distractibility
- Increase in goal directed activity
- Excessive involvement in high risk activities
Hypomania?
- at least 4 days
2. Not severe enough to cause hospitalisation/ or marked functional impairment
Mixed affective episode:
- Full criteria for one type of episode
2. And at least 3 symptoms of opposite polarity are present
Features of both depression and mania:
Anxiety, psychotic, catatonia
Catatonia?
Not moving not responding, not communicating
Lifetime prevalence of single depressive episode?
20% for females
10% for males
How many die by suicide of depressive episodes?
8 to 19 %
Bipolar disorder:
- At least 1 manic episode
2. 1 hypomanic disorder needs 1 disorder
Bipolar it’s:
Hypersomnia
Hyperphagia
Family history
Bipolar disorder genetics?
10 times higher risk In 1st degree relatives
Men and women are equally affected
Lifelong risk of recurrence
Rate of suicide of people with bipolar disorder?
20 x than general population
30 to 50% try to commit suicide
Monozygotic accordance rate in bipolar?
70 to 80%
Neurobiology of depression?
Decrease in serotonin and noradrenaline function- hence selective serotonin reuptake inhibitor are given.
Serotonin is affected by stress, generic factors and adverse childhood experience.
Neurobiology of depression?
- Disruption of monoamine transmission
- GABA and glutamate
- HPA axis and glucocorticoids
- Neuroplasticity and neuronal atrophy
- Immune dysfunction
Acute tryptophan depletion studies showed?
Reexacerbation of depression
Which regions are responsible for automatic regulation of emotion?
Prefrontal cortex, anterior cingulate
Regions responsible for voluntary regulation of emotion?
Dorsolateral and ventrolateral prefrontal cortex.