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

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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

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Histrionic Personality Disorder

Attention seeking behavior

Inappropriate sexual behavior

Rapidly shifting and shallow display of emotions

Dramatic

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