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Chapter 11

Study Guide of Chapter 11 for PSYB32

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University of Toronto Scarborough
Konstantine Zakzanis

Chapter 11: Schizophrenia Schizophrenia: psychotic disorder characterized by major disturbances in through, emotion, and behaviour disordered thinking in which ideas are not logically related, faulty perceptions and attention, flat or inappropriate affect, and bizarre disturbances in motor activity They withdraw from people and reality, often into a fantasy life of delusions and hallucinations Its own of the most severe psychopathologies Prevalence of 1% Sometimes begins in childhood, but usually begins in adolescence to young adulthood. Clinical Symptoms of Schizophrenia Disturbances in several major areas thought, perceptions and attention, motor behaviour; affect or emotions and life functioning There is a lot of heterogeneity Positive Symptoms Positive symptoms: comprise excesses or distortions, such as disorganized speech, hallucinations and delusions, an acute episode of schizophrenia It involve the presence of too much of a behaviour that is not apparent in most people Disorganized speech Aka formal thought disorder Disorganized speech: problems in organizing ideas and in speaking so that a listener cannot understand There is incoherence in conversations (not connected and hard to understand) Speech may also be disordered as loose associations/derailment (difficulty sticking to one topic) o They may drift off in what they are saying But disorganized speech is not a discriminator between schizophrenia and other psychoses (like some mood disorders) Delusions Thinking that others are plotting against you Delusions: beliefs held contrary to reality, are common positive symptoms Persecutory delusions are found in 65% of them They may think their thoughts are beings stolen from them or are being broadcasted Hallucinations and Other disorders of Perception They may feel depersonalized Hallucinations: sensory experiences in the absence of any stimulation from the environment (more auditory than visual) * + , - . / www.notesolution.como They hear their own thoughts spoken by another voice o They hear voices arguing o Here voices commenting on their behaviour Negative Symptoms Negative symptoms: behavioural deficits, such as avolition, alogia, anhedonia, flat affect and ascoiality They tend to endure beyond an acute episode and have profound effects on the lives of patients Flat affect can be a side effect of antipsychotic medication Avolition Apathy/avolition: lack of energy and seeming absence of interest or inability to persist in what are usually routine activities Inattentive to grooming and personal hygiene Difficulty persistent at work, school or household chores Alogia A negative thought disorder Poverty of speech, sheer amount of speech is greatly reduced Poverty in content of speech Vague and repetitive speech Anhedonia An inability to experience pleasure They are aware of it Flat Affect No stimulus can elicit an emotional response Stare vacantly,
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