Lecture 6- Schizophrenia Flashcards
Schizophrenia Clinical Description
Deterioration from normal functioning level
Loss of contact with reality
Impacts multiple areas of cognition, emotion, and behavior
Schizophrenia Lifetime Prevalence
1% of population
M = F
Gender Differences in Schizophrenia
Males have earlier onset (15-25) and worse prognosis with more negative symptoms
Females have later onset (25-35) and better prognosis
Kraepelin’s View of Schizophrenia
Dementia Praecox
Cognitive deterioration with early onset and chronic course
Bleuler’s View of Schizophrenia
Coined term
3 components:
Fragmentation of thought
Split between thoughts and emotions
Withdrawal from reality
Distinguished types of symptoms
Fundamental assumptions (Negative)
Accessory symptoms (Positive)
Positive Schizophrenia Symptoms
Additions
Delusions
Hallucination
Formal Thought Disorder
Heightened Perceptions
Inappropriate Affect
Delusions
False beliefs despite contrary evidence
Grandeur
Ideas of Reference
Persecution
Control
Hallucinations
Perceptions without external stimuli
Formal thought Disorder
Disturbance in production and organization of speech
Loose associations
Neologisms
Perseveration
Rhyme
Heightened perceptions
Intensified sensory perception that leads to attention and perceptual issues
Negative Schizophrenia Symptoms
Deficits
Poverty of Speech
Blunted and Flat Affect
Avolition
Social Withdrawal
Psychomotor Schizophrenia Symptoms
Not always present
Awkward movements, odd gestures, repeated grimaces
Catatonia
Catatonia
Loss of spontaneous muscle movement
Schizophrenia Diagnostic Criteria
2+ Symptoms in 1 month
Social or occupational dysfunctions
Symptoms lasting over 6 months
Not better explained by another disorder
Schizophrenia Subtypes
Catatonic
Disorganized
Paranoid
Undifferentiated
Residual
Schizophrenia Phases
Prodromal- Early functional impairment with some symptoms
Acute- Positive and negative symptoms
Chronic- Mostly negative symptoms, most impairment
Schizophrenia Prognosis Rates
20-30% lead normal lives
20-30% experience moderate symptoms
40-60% experience significant impairment
Process Schizophrenia
Poor premorbid function, introverted, early onset, not married
Leads to poor prognosis
Reactive Schizophrenia
Late onset, married, mostly positive symptoms, good support system
Leads to better prognosis
Schizophreniform Disorder
Identical symptoms that last under 6 months
Brief psychotic disorder
Positive symptoms that last up to 1 month
No negative symptoms
Schizoaffective Disorder
Schizophrenia diagnosis in addition to meeting mood disorder criteria
Delusional Disorder
Delusions without other schizophrenia symptoms
Shared Psychotic Disorder
Psychotic person influences normal person who begins showing symptoms