Psych 127

Psych 127 - Psych 127-class notes 16:00:00 ← –...

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Unformatted text preview: Psych 127-class notes 09/01/2008 16:00:00 ← 2/4/08 – schizophrenia ← Schizophrenia (SZ) – one of the psychotic disorders • Major disturbances in: thought, emotion, behavior • Disordered thinking • Faulty perception and attention • Inappropriate or flat emotions • Bizarre motor activity • Disrupted interpersonal relationships ← Disorder impacts families and friends • Difficult to live w/ someone w/ schizo • Social skills deficits ← Symptoms impact employment ← History of SZ and psychosis • Benedict Morel – introduced dementia praecox • Emil Kraepelin – used demntia praecox o Combined previously separate subtypes o Differentiated from bipolar o Used onset/degenerative course to identify disorder • Eugene Bleuler – introduced “SZ” ← Phenomenology of SZ • SZ vs psychosis ← Clinical description of SZ – no single essential symptoms, heterogeneity of symptoms across patients • Positive, negative and disorganized symptoms ← Summary • SZ – spectrum of dysfunctions o Effecting cognitive, emotional/social and behavioral domains o Positive negative and disorganized symptoms o Best thought of as a continuum/dimension • Dsm-IC and dsm-IV-TR 1 o 5 subtypes (know) • several bio-psycho-social variables involved • successful treatment rarely includes complete recovery ← Positive symptoms = active manifestations of abnormal behavior, behavioral excess • Distortions of normal behavior • Delusions = gross misrepresentations of reality, delusions of grandeur or persecution o Firmly held beliefs o Contrary to reality o r • Hallucinations = primarily auditory and usually voices o Experience of sensory events w/o environmental input o Can involve all senses but auditory most common o Visual hallucinations when they occur are more like shadows at periphery of vision o Findings from SPECT studies show speech productions areas (broac’s area) not speech comprehension (wernicke) light up during hallucination ← Negative symptoms = absence or insufficiency of normal behavior • Spectrum of symptoms • Avolition • Alogia • Anhedonia • Flat affect • Asocialtiy ← Disorganized symptoms = severe and excessive disruptions • Speech, behavior and emotion • Disorganized affect – inappropriate emotional behavior • Disorganized behavior – catatonia, unusual dress • Catatonia • Catatonic immobility • Waxy flexibility • Inappropriate affect ← DSM 2 • At least 2 of 5 of following symptoms • Persist for at least 6 months, at least 1 month of symptoms that meet criteria a • Also test for: o Schizoaffective and mood disorder exclusion o Substance/general medical condition exclusion ← Classifications • Process vs reaction distinction • Good vs poor premorbid functioning in schizophrenia • Type I vs Type II distinction ← Differential diagnosis • Mania • Depression w/ psychotic features • Personality disorders • Drug induced psychosis • Extreme OCD • PTSD •...
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Psych 127 - Psych 127-class notes 16:00:00 ← –...

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