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PSYC 3604
Connie Kristiansen

PSYC3604March 310 2014Goals for todays classChapter 11 Schizophrenia1How do we understand and classify Schizophrenia and the other Psychotic Disorders2What do we know about possible causes and treatmentsFrom the textChapter 11 Schizophrenia3What are the characteristics of Schizophrenia and the other Psychotic Disorders4What are the various symptoms 5What are the different types of Schizophrenia6What is happening in the brain of someone with Schizophrenia7What might be the cause of Schizophrenia various theoretical approaches8What treatments are available for SchizophreniaHow do these workThe Psychotic DisordersPsychoses A class of psychological disorders where reality contact the ability to successfully interact with ones environment is impairedPsychoticdelusions or prominent hallucinations with the hallucinations occurring in the absence of insight into their pathological natureOr could also include prominent hallucinations that the individual realizes are hallucinatory experiencesAn even broader definition would also include other positive symptoms of Schizophrenia ie disorganized speech grossly disorganized or catatonic behaviour DSM Schizophrenia SpectrumOther Psychotic DisordersSchizotypal Personality DisorderDelusional Disorder Brief Psychotic Disorder Schizophreniform Disorder Schizophrenia Schizoaffective Disorder SubstanceMedicationInduced Psychotic Disorder Psychotic Disorder due to another medical conditionCatatonia associated with another mental disorder or another medical condition or unspecified catatoniaOther specified or unspecified schizophrenia spectrum and other psychotic disordersKey FeaturesPositive symptomsappear to reflect an excess or distortion of normal functions9Including distortions in thought content delusions perception hallucinations language and thought processes disorganized speech and selfmonitoring of behaviour grossly disorganized or catatonic behaviour10Two dimensions of positive symptoms1psychotic dimension includes delusions and hallucinations2disorganized dimension includes disorganized speech and behaviourNegative symptomsappear to reflect a diminution or loss of normal functionsKey Features DelusionsDelusions erroneous beliefs that usually involve a misrepresentation of perceptions or experience and are resistant to change even in the face of conflicting evidenceContent may include a variety of themes11Persecutory delusions are the most commonthe person believes they are being tormented followed tricked spied on or ridiculed12Referential delusionsbelieves that certain gestures comments passages from booksnewspapers song lyrics etc are directed at themKey Features DelusionsDelusions13Grandiose delusionsbelieves they have exceptional abilities wealth or fame14Erotomanic delusionsbelieves that another person is in love with himher15Nihilistic delusionsbelieves that a major catastrophe will occur16Somatic delusionsbelieves that health or organ function is at riskKey Features DelusionsDelusions 17Delusions can be bizarre if they are clearly implausible do not derive from ordinary experience and are not understandable to peers3Bizarrebelief that an outside force has removed my internal organs and replaced them with someone elses organs without leaving scars4Nonbizarrebelief that I am being watched by the police or governmentKey Features HallucinationsHallucinations Perceptionlike experiences that occur without an external stimulusVivid and clearNot under voluntary control Can occur in any sensory modality auditory visual olfactory gustatory tactile18Auditory are most commonusually experienced as voices familiar or unfamiliar that are perceived as distinct from the persons own thoughtsKey Features Disorganized Thinking Speech Disorganized thinking thought disorderdue to difficulty in diagnosing thought disorder and because this is usually based on the individuals speech the emphasis here is on disorganized speech19Derailment or loose associations20Tangentiality 21Incoherence or word saladKey Features Grossly Disorganized or Abnormal Motor Behaviour Grossly Disorganized Behaviourmay manifest in a variety of ways including childlike silliness to unpredictable agitation22May involve difficulties in performing goaldirected behavioursKey Features CatatoniaCatatonic Motor Behavioursinclude a marked decrease in reactivity to the environment
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