Textbook Notes (369,067)
Canada (162,366)
Psychology (9,699)
PSYB32H3 (1,174)
Chapter 11


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Konstantine Zakzanis

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CHAPTER 11SCHIZOPHRENIA SchizophreniaPsychotic disorder characterized by major disturbances in thought emotion and behaviour Disordered thinking in which ideas are not logically related faulty perception and attention flat or inappropriate affect and bizarre disturbances in motor activityIsolation leading into a fantasy life of delusions and hallucinationsMore common in males than in females and age of onset is earlier for menSometimes begins in childhood but appears in late adolescence or early adulthoodChronic disability lifelong diseaseGreat deal of comorbidity anxiety substance abuse suicide depressionAbout 10 commit suicide Clinical Symptoms of SchizophreniaSymptoms involve disturbances in several major areas thought perception and attention motor behaviour affect or emotion and life functioningNo essential symptom must be present for a diagnosis of schizophrenia schizophrenia is variable and diversePositive symptoms y Acute episode of schizophrenia y The presence of too much of a behaviour that is not apparent in most people y Excesses or distortions y Disorganized speech thought disorder problems in organizing ideas and in speaking so that a listener can understandIncoherence verbal expression is marked by disconnectedness fragmented thoughts and jumbled phrasesLoose associations difficulty sticking to one topic and drifts off on a train of associations evoked by an idea from the past y DelusionsThe person may be the unwilling recipient of bodily sensations or thoughts imposed by an external agencyPeople may believe that their thoughts are broadcast or transmitted so that others know what they are thinkingPeople may think their thoughts are being stolen from them suddenly and unexpectedly by an external forceSome people believe that their feelings are controlled by an external forceSome people believe that their behaviour are controlled by an external forceSome people believe that impulses to behave in certain ways are imposed on them by some external force y HallucinationsSensory experiences in the absence of any stimulation from the environmentMore often auditory than visual 74 reported having auditory hallucinations o Some people report hearing their own thoughts spoken by another voice o Some people claim that they hear voices arguing o Some people here voices commenting on their behaviour Negative symptoms y During remission and acute states absence of a behaviour that should be evident in most people y Behavioural deficits
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