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Exam 3: Sz

Schizophrenia Spectrum Disorders

QuestionAnswer
3 types of psychotic symptoms positive, negative, and disorganized
Positive definition and subtypes (2) excess or distortion of normal functioning hallucinations and delusions
Positive subtype: Hallucinations distortion of sensory experience visual: sees things that aren't there olfactory: smells gustatory: taste tactile: feel auditory: hear
Positive subtype: Delusions distorted thoughts & beliefs of grandeur: belief one is an extremely important person of persecutions: belief that others are "out to get" them of reference: belief that certain gestures, comments, books, etc, are specifically directed at them
Positive subtype: Delusion cont. "bizarre" delusions thought w/drawal: thoughts are being taken away from an outside force thought insertion: thoughts are being inserted into their head delusions of control: that body/actions are being acted on or manipulated by an outside force
Negative definition decrease/loss of normal functioning
Negative avolition: "w/out will";inability to initiate, persist in activities alogia:absence of speech(brief, empty replies) anhedonia: lack affective flattening: diminished range or emotional expression lack of goaldriven behavior: not pursuing school,job,etc
Disorganized def disorganized speech, behavior, or affect
Disorganized: catatonia def: decrease in reactivity to enviro. c stupor: complete unawareness c rigidity: maintaining posture w/ resistance to moving c posturing: holding inappropriate or bizarre postures c excitement: purposeless and unstimulated excessive motor activity
3 stage of sz prodromal: milder symptoms present prior to actual "break" active: when hallucinations, delusions, disorganized behavior are seen (least 1 month) residual: less severe symptoms after active symptoms remit (milder expressions of delusions, hallucination,
Sz criteria A)2+ of following (least 1 month): delusions, hallucinations, disorganized speech, disorganized or catatonic behavior, neg sxs B)social/occupational dysfunction C)6+ months D) not accounted by: mood disorders, schizoaffective disorder
sz: prevalence, sex ratio, age of onset prev: 0.3 - 1% sex ratio: equal; female have later onset & better improvement age: late teens - mid-30s; M: late teens - early 20s; F: mid-late20s onset before adolescence or late adulthood is rare
pos prognostic indicators of sz (good change of treatment success) good premorbid adjustment; acute onset (no prodromal phase); late age of onset; female; brief duration of active-phase symptoms; identifiable precipitation stressor; good interepisode functioning; minimal residual symptoms; no fam history of sz
gender diff in age of first diagnosis M: 20-25 then goes down F: 25 then goes down more F at 50 compared to men
Familial risk of sz most common: mz (100%) twins (similar enviro. factors) and offspring of dual mating (both parents have it) next: siblings w/ 1 parent who has sz and dz twins
Brief Psychotic Disorder at least 1 following: delusions, hallucinations, disorganized speech, disorganized or catatonic behavior; 1 day < 1 month; return to premorbid functioning (cog func before diagnosis); often linked to significant stressors (ex: loss of loved one)
Schizophreniform Disorder sxs identical to sz, except duration; course: >1 month but < 6 month; sxs may remit or disorder may be reclassified as sz if sxs persist longer than 6 months
Schizoaffective Disorder meet criterion A of sz and mood episode simultaneously; delusions or hallucinations for 2+ weeks w/out mood sxs; sxs of mood episode present during most of active and residual periods chronic course
Delusional Disorder w/ subtypes persistent and non-bizarre delusional beliefs(paranoid themes); erotomanic (another person of higher status in love w/ them), somatic (bel have physical defect), grandiose, jealous, persecutory (most com) (spying or attempting to harm), mixed (com)(mulid
Created by: sorlando
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