psych Flashcards
Bipolar disorder was formerly called
manic depressive illness
what are the two opposite poles that characterizes Bipolar disorder
–Euphoria
–Depression
bipolar disorder is
•Chronic, recurring, life-threatening illness
–Individuals experience interpersonal, occupational difficulties even during remission
–Associated with highest lifetime suicide rate among psychiatric disorders
Bipolar I
–At least one episode of mania alternating with major depression
–Psychosis may accompany manic episode
could see psychosis, or hallucinations
Bipolar II
–Hypomanic episode(s) alternating with major depression
–Not accompanied by psychosis
when they drop down to major depression they may have delusions.
cyclothymia
–Hypomanic episodes alternating with minor depressive episodes
•Specifier from DSM-IV-TR
–Rapid cycling (four or more episodes in 12-month period)
prevelance of bipolar disorder
–Lifetime prevalence in U.S. estimated at 3.9%
–First episode commonly occurs between ages 18 and 30
comorbidity bipolar disorder
–Substance use disorders, personality disorders, anxiety disorders, attention deficit hyperactivity disorder
–Medical conditions: cardiovascular, cerebrovascular, metabolic disorders
Bipolar Genetics
–Twin, family, and adoptive studies support strong genetic component
–Specific genes identified on chromosome 13 associated with bipolar disorder
cycling
moving up and down between moods. The faster someone moves between mania and depression, the more acutley ill the person is.
neurobiological factors bipolar
–Hypothalamic-pituitary-thyroid-adrenal axis dysfunction implicated
neuroanatomical factors bipolar
–Dysregulation in prefrontal cortex and medial temporal lobe implicated
psychological influences
–Stressful life events
–Families characterized by high expressed emotion most associated with relapse
cultural considerations
–More prevalent in higher socioeconomic classes
–Higher rates noted among creative writers, artists, highly educated men and women