Abstract
In schizophrenia, psychomotor slowing and stereotypy are poorly delineated from cognitive deficits like diminished processing speed. Inpatients' performance outcomes on a line-copying task, a task assessing stereotypy and a processing-speed task are compared. Results suggested that psychomotor slowing and stereotypy are related and may represent a catatonic symptom cluster.
MeSH terms
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Adult
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Antipsychotic Agents / therapeutic use
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Cognition Disorders / diagnosis
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Cognition Disorders / drug therapy
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Cognition Disorders / psychology
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Diagnosis, Differential
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Discrimination Learning / drug effects
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Female
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Humans
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Male
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Neuropsychological Tests
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Pattern Recognition, Visual / drug effects
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Psychomotor Disorders / diagnosis*
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Psychomotor Disorders / drug therapy
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Psychomotor Disorders / psychology
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Psychomotor Performance / drug effects
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Reaction Time* / drug effects
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Schizophrenia, Catatonic / diagnosis*
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Schizophrenia, Catatonic / drug therapy
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Schizophrenia, Catatonic / psychology
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Stereotyped Behavior