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Chapter 11

Chapter 11 Key Terms & Notes

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Chapter 11 Schizophrenia Psychosis: the inability to differentiate from what is real and what is unreal. It can take many forms and has many causes. Schizophrenia: Most common psychotic disorder disorder consisting of unreal or disorganized thoughts and perceptions as well as verbal, cognitive, and behavioural deficits. Symptoms vary, for example people with this disorder can think and communicate clearly but at other times their thinking and speech can be garbled. Psychotic Disorders recognized by DSM-IV-TR Disorder Description Schizophrenia At least one month of acute symptoms of delusions, hallucinations, disorganized thought and speech, disorganized behaviour and negative symptoms and at least six months of some symptoms of disorder Schizophreniform disorder Same symptoms as schizophrenia, lasting more than one month but less than 6 months Schizoaffective disorder Symptoms of schizophrenia coinciding with symptoms of depression or mania but at least a 2 week period when only symptoms of schizophrenia present Delusional disorder Evidence only of non-bizarre delusions of at least 1 months duration; functioning at relatively high level Brief psychotic disorder Presence of delusions, hallucinations, disorganized speech or behaviour for at least one day but less than one month Shared psychotic disorder The individual in a close relationship with someone who is delusional with similar delusions Substance-induced Hallucinations or delusions caused by the direct psychotic disorder physiological effects of a substance Significant portion of patients with schizophrenia are in jailsprisons, shelters, hospitals, etc. It is one of the most stigmatized disorders Two categories of symptoms include Positive symptoms: also called type I symptoms, are characterized by the presence of unusual perceptions, thoughts, or behaviours. Positive refers to the fact that these symptoms represent very salient experiences. Negative symptoms: or Type II symptoms represent losses or deficits in certain domains. They involve absence of behaviours, rather than presence of behaviours. Positive Symptoms www.notesolution.com
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