PSYC 1101 Lecture Notes - Lecture 15: Impulsivity, Borderline Personality Disorder, Schizotypal Personality Disorder

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14.3
Dissociative disorders are disruptions in memory, awareness, and identity
Dissociative disorders- involve disruptions of identity, of memory, or of conscious
awareness
o Result from extreme stress
o Split off a traumatic event in order to protect the self
Dissociative amnesia- person forgets than an event happened or loses awareness of a
substantial block of time
o May loose memory of his or her identity and place of residence
Dissociative fugue- rarest and most extreme form
o Loss of identity; travel to another location; assumption of a new identity
Dissociative identity disorder- occurrence of two or more distinct identities in the same
individual; memory gaps in which the person does not recall everyday events
o Children cope with abuse by pretending it is happening to someone else; enter a
trancelike state in which they dissociate their mental states from their physical
bodies
Schizophrenia involves a split between thought and emotion
o Involves alterations in thoughts, perceptions, or consciousness
o Person has to have shown continuous signs of disturbances for at least 6 months
o Have to have at least delusions, hallucinations, and disorganized speech
o Positive symptoms
Delusions, hallucinations, disorganized speech, catatonic behavior
o Negative
Apathy, lack of emotion, and slowed speech and movement
o Delusions- false beliefs based on incorrect inferences about reality
o Hallucinations- false sensory perceptions that are experienced without an
external source
o Disorganized speech- incoherent, failing to follow a normal conversational
structure
o Disorganized behavior- displaying unpredictable agitation or childish silliness
Catatonic behavior
o The more closely someone is genetically related to a person with schizophrenia,
the greater the risk that he or she will develop schizophrenia
Identical twin the most, then offspring of two parents with this, then
fraternal twin
o People with this are more likely to have been born during late winter and early
spring
14.4
True personality disorders are relatively common
Maladaptive ways of relating to the world
Cluster A- odd or eccentric behavior
o Paranoid, schizoid, schizotypal
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Document Summary

Dissociative disorders are disruptions in memory, awareness, and identity. Dissociative disorders- involve disruptions of identity, of memory, or of conscious awareness: result from extreme stress, split off a traumatic event in order to protect the self. Dissociative amnesia- person forgets than an event happened or loses awareness of a substantial block of time: may loose memory of his or her identity and place of residence. Dissociative fugue- rarest and most extreme form: loss of identity; travel to another location; assumption of a new identity. Schizophrenia involves a split between thought and emotion. Involves alterations in thoughts, perceptions, or consciousness: person has to have shown continuous signs of disturbances for at least 6 months, have to have at least delusions, hallucinations, and disorganized speech, positive symptoms. Delusions, hallucinations, disorganized speech, catatonic behavior: negative. Catatonic behavior: the more closely someone is genetically related to a person with schizophrenia, the greater the risk that he or she will develop schizophrenia.

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