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Chapter 7

PSY240H5 Chapter 7: Chapter 7


Department
Psychology
Course Code
PSY240H5
Professor
Norman Farb
Chapter
7

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Chapter 7: Schizophrenia
Stages
Phase I (pre-morbid)
Largely asymptomatic
Subtle/nonspecific problems with cognition
Phase II (prodromal)
Prodromal "oddness" and onset of subtle negative symptoms (~ late teens)
Initial positive symptoms along with declining functioning
Phase III (active)
Active phase with destructive positive symptoms; treatment and relapse (~21-40
years old)
Repeated episodes of psychosis
Phase IV (static/residual)
Static phase, poor social functioning and prominent negative and cognitive
symptoms (> 45 years old)
Stable cognitive and social deficits characterize phase
Symptom Clusters
Positive (present in excess of normal functioning)
Delusions
Religious
Somatic
Grandiose
Referential
Hallucinations
Can occur in any of the 5 major senses but auditory and tactile are most
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common
Thoughts and speech disorder
Nonsensical speech
Loosening of associations and local connections between ideas
Gross disorganized catatonic disorder
Deficits in motor functioning
Wa fleibilit
Negative (absence of normal functioning)
Sparse speech and withdrawal
Affect flattening- restrictions in the range and intensity of emotions (emotional
blunting)
Avolition- lack of initiation of goal-directed behaviours (ambivalence)
Anhedonia- lack of interest in pleasurable activities
Alogia- restrictions in fluency and productivity of thoughts and speech
Asociality- withdrawal from relationships
Cognitive impairments (sometimes subdivided into positive and negative symptoms)
Disorganized thought process
Thought insertion- belief that thoughts from other people are being
inserted into one's mind
Thought withdrawal- belief that thoughts have been removed from one's
mind by an outside agency
Thought broadcasting- belief that one's thoughts can be heard by others
Concrete thinking- answers are very literal
Disorganized speech
Incoherence
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