ch 13 notes - CH 13: SCHIZOPHRENIC DISORDERS Overview 2nd...

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CH 13: SCHIZOPHRENIC DISORDERS Overview 2 nd leading causes of disease burden approx 10% committ suicide 3 phases: prodromal – don’t care for selves, talk to self, outbursts of anger, restless deterioration in role functioning change in personality; increase tension social withdrawal, indecisiveness, lack of willpower active – meet diagnostic criteria, hallucinations, delusional, disorganized speech residual – problems still impact everyday life impoverished expression of emotions History Late 1800s: Emil Kraepelin “Dementia Praecox” dementia of young Early 1900s: Eugen Blueler “schizophrenia” “Schizo” to split “Phren” mind/ intellect Mid 1900s: Kurt Schneider “first-rank symptoms” Hallucinations and delusions 1980s: positive vs negative symptoms
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Symptoms no single symptom or specific set of symptoms 3 dimensions positive symptoms (psychotic) excessive – presence of response (hear a voice that is not really there) hallucinations and delusions negative symptoms ( tend to be more stable over time) loss or decrease in behavior/function – absence of a response (speech, willpower) lack of initiative, social withdrawal, no emotional response disorganization (communication patterns; bizarre behavior) positive symptoms hallucinations – distortions in sensory perceptions; experiencing a sensation that isn’t actually there usually auditory persist over time delusions – distortion in thinking; faulty perceptions defended in face of contradictory evidence common delusions thought insertion – don’t own their minds, other people put their thoughts in their minds mind reading – believe other people can read their mind controlled by outside source – no control over actions
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CH 13: SCHIZOPHRENIC DISORDERS negative symptoms affective and emotional disturbances blunted affect – show no emotion indifferent to surroundings anhedonia – no interest in social interaction/fun inability to experience pleasure apathy, avolition, alogia apathy – not caring or feeling connection to social relationship, tend to isolate and withdrawal avolition – no willpower; ambivalent; hard to make choices stops working to achieve goals no motivation to carry out everyday tasks alogia – impovered speech/thinking little to say and can’t maintain a train of thought disorganized thinking, speech, behavior symptoms disorganized speech and thinking – say things that don’t make sense loose associations – no logical progression or shifting from topic to topic; no connections tangential speech – go off on a tangent; no coherent story; reply to a question with an irrelevant response perseveration – repeating the same thing over and over bizarre behavior
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catatonia – shutting down; no response in physical way to the environment; rigid and stuck in 1 position; immobility or overactiveness; pace back and forth w/o purpose stuporous state – reduced responsiveness
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ch 13 notes - CH 13: SCHIZOPHRENIC DISORDERS Overview 2nd...

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