Mood Disorders Flashcards
Major Depression DSM-5 criteria
- Depressed mood
- Markedly diminished interest or please in all, or almost all, activities
- Significant weight loss or gain, or decrease or increase in appetite
- Insomnia or hypersomnia
- Observable psychomotor agitation or retardation
- Fatigue or loss of energy
- Feelings of worthlessness or excessive or inappropriate guilt
- Diminished ability to think or concentrate, or indecisiveness
- Recurrent thoughts of death; reccurent suicidal ideation without specific plan; a specific suicide plan; or a suicide attempt
how many of the DSM criteria do you have to meet to get classified for depression
5+ of following symptoms must be present during same 2 week period: at least one symptom is either: depressed mood or loss of interest or pleasure
Hypomania characteristics
Persistent mild elevation of mood
Increased energy and activity
Marked feelings of well-being and both physical and mental efficiency
Icnreased sociability and talkativness (or increase irritabiliyt in some)
Increased sexual energy
Decreased need for sleep
No hallucinations or delusions (i.e. no psychosis)
Bipolar II criteria
At least one hypomanic episode & at least one major depressive episode
There has never been a manic episode
Manic Episode Criteria
Distinct period of abnormally and persistently elevated or expansive mood and abnomraly and persistently increased goal-directed activity or energy, lasting at least 1 week and present most of the day, nearly every day
3+ of the following:
Inflated self-esteem or gradiosity
Decreased need for sleep (feels rested after only 3 hrs or sleep)
More talkative than usual or pressure to keep talking
Flight of ideas or subjective experience that thoughts are racing
Distractibility
Increase in goal-directed activity or psychomotor agitation
Excessive involvement in activities that have a high potential for painful consequences
difference between bipolar I and Bipolar II
Bipolar I includes manic episodes
misconceptions of BP
People exhibit rapid shifts in affect (vast majority do not)
Bipolar people are dangerous
Less likey to carry out violent crime than individual withou a diagnosis of BD → smae ture for most psychiatric diagnoses
What BP people actually experience
Poeple with BD generally have higher level of cortisol compared to healthy controls
Show altered cortisol reactivity to acute stressors
Have experienced early life traumas (e.g. abuse, neglect) have an earlier age of onset; about half of persons with BD have experienced chronic early traumas
Patients with BD also have appreciably altered gut microbiome that is believed to support HPA-axis dysregulation
BD associated with significant neuroinflammation that may be downstream to changes to gut microbiota
What does lithium do for BP
treats current mood episodes and protects against further mood episodes
Neuroprotective, and preferentially accumulates in brain regions taht produce new neurons (e.g. hippocampus)
Chronic administration of lithium increases BDNF expression in rat brains
Only drug with fast-acting anti-suicidal effects
Inhibits pro-inflammatory cytokines
3 levels of stigma
structural, social, self
structural Stigma
the policies and practices of institutions in positions of power, that systematically restrict the rights and opporutniteis for people living with mental illness
Social Stigma
phenomenon of oscila groups endorsing stereotypes about acting against stigmatised group → leads to development of self-stigma
Self Stigma
egative feelings about self, maladaptive behaviour, identity transformation, or stereotype endorsement resulting from an individual’s experiences, perceptions, or anticipation of negative social reactions on the basis of their mental illness