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Schizophrenia and Dissociative Disorders
Schizophrenia
Most severe
1% of U.S.
50% of people admitted to mental hospitals
Begins in late teens/early adulthood
Rarely before teens or after 45
Effects both men and women
SymptomsTwo Types
-Positive – excessive behaviors
-Negative – deficits in behaviors
Symptoms
Delusional beliefsPersecution – people are plotting to harm them
Grandeur – they are someone important
HallucinationsVisual or hearing voices
Disorganized speech and thoughtWord salad
Emotional and behavioral disturbancesExaggerated to inappropriate to no emotions
Theories of Causes
Genetics
Biological – Dopamine HypothesisOver activity of dopamine neurons in brain
Diathesis – stress modelInherited or environmental predisposition
Stressful events then trigger it
video
Dissociative Disorders-Disruption in the conscious process
Dissociative Amnesia
Person can not remember things and no physical reason for this loss
Dissociate from painful memories – fugue state
Dissociative Identity Disorder
DID
Multiple personality disorder
Person has several personalities instead of one
People with DID -history of sex abuse or other childhood trauma
Theories about Causes of DID
Extremely traumatic event has been repressed
Rare outside of U.S.
Critics Is it legit?
Role- play disorder
Crash Course
Personality DisordersCharacterized by inflexible and enduring behavior patterns that impair social functioning
Crash Course
Antisocial Personality Disorder
Sociopath or psychopath
Has little regard for other’s feelings – including family and friends
Bring pain to others
Criminals
Strikes in early 20s
Mostly men
Narcissistic Personality Disorder
Grandiosity
Need for admiration
Lacks empathy
Takes advantages of others
Arrogant
Extreme jealousy
video
Histrionic Personality Disorder
Attention seeking behavior
Inappropriate sexual behavior
Rapidly shifting and shallow display of emotions
Dramatic
video