Psych 127

Psych 127 - Psych 127-class notes 09/01/2008 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 (broacs 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 09/01/2008 16:00:00...

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