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Start Over Author "Vernon LL" Topic schizophrenia
3 results on '"Vernon LL"'

1. Cognitive correlates of schizophrenia signs and symptoms: I. Verbal communication disturbances.

Author

Berenbaum H, Kerns JG, Vernon LL, and Gomez JJ

Subjects
Adult, Aphasia diagnosis, Aphasia epidemiology, Aphasia psychology, Attention, Brief Psychiatric Rating Scale statistics & numerical data, Cognition Disorders epidemiology, Cognition Disorders psychology, Comorbidity, Diagnostic and Statistical Manual of Mental Disorders, Female, Humans, Male, Psychiatric Status Rating Scales, Schizophrenia epidemiology, Speech Disorders diagnosis, Speech Disorders epidemiology, Speech Disorders psychology, Tape Recording, Wechsler Scales, Cognition Disorders diagnosis, Neuropsychological Tests statistics & numerical data, Schizophrenia diagnosis, Schizophrenic Psychology, Verbal Behavior
Abstract

We examined the relations between verbal communication disturbances and several hypothesized etiological factors in 47 schizophrenia spectrum individuals. Both alogia and disturbed discourse coherence were associated with poor planning abilities. Alogia and discourse coherence were differentially associated with performance on tasks measuring fluency, working memory, word finding abilities, and concentration/attention.

Published
2008
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2. Cognitive correlates of schizophrenia signs and symptoms: II. Emotional disturbances.

Author

Berenbaum H, Kerns JG, Vernon LL, and Gomez JJ

Subjects
Adult, Affective Symptoms physiopathology, Antipsychotic Agents adverse effects, Attention physiology, Cognition Disorders physiopathology, Dyskinesia, Drug-Induced diagnosis, Dyskinesia, Drug-Induced etiology, Dyskinesia, Drug-Induced physiopathology, Emotions physiology, Female, Frontal Lobe physiopathology, Functional Laterality physiology, Humans, Male, Memory Disorders diagnosis, Memory Disorders physiopathology, Motor Skills Disorders chemically induced, Motor Skills Disorders diagnosis, Motor Skills Disorders physiopathology, Neuropsychological Tests statistics & numerical data, Psychiatric Status Rating Scales statistics & numerical data, Psychomotor Performance physiology, Psychotic Disorders diagnosis, Psychotic Disorders physiopathology, Psychotic Disorders psychology, Schizophrenia drug therapy, Schizophrenia physiopathology, Affective Symptoms diagnosis, Cognition Disorders diagnosis, Schizophrenia diagnosis, Schizophrenic Psychology
Abstract

We examined the cognitive and motor correlates of emotional disturbances in 47 schizophrenia spectrum individuals. Neither affective flattening nor anhedonia was significantly associated with tasks measuring working memory or attention/concentration, or with overall performance on tasks measuring fluency or episodic memory. In contrast, as expected, emotional disturbances were associated with patterns of hemispheric lateralization. Affective flattening and anhedonia were both associated with episodic memory laterality and there were similar trends with motor laterality. Anhedonia was also associated with medication motor side effects.

Published
2008
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3. Cognitive correlates of schizophrenia signs and symptoms: III. Hallucinations and delusions.

Author

Berenbaum H, Kerns JG, Vernon LL, and Gomez JJ

Subjects
Adult, Cognition Disorders psychology, Delusions psychology, Diagnostic and Statistical Manual of Mental Disorders, Female, Hallucinations psychology, Humans, Male, Memory Disorders diagnosis, Memory Disorders psychology, Psychiatric Status Rating Scales statistics & numerical data, Cognition Disorders diagnosis, Delusions diagnosis, Hallucinations diagnosis, Neuropsychological Tests statistics & numerical data, Schizophrenia diagnosis, Schizophrenic Psychology
Abstract

We examined the cognitive correlates of hallucinations and delusions in 47 schizophrenia spectrum individuals. Hallucinations were significantly negatively correlated with performance on episodic memory tasks, and were not significantly associated with performance on tasks measuring fluency or concentration/attention. Although hallucinations were more strongly associated with performance on verbal than non-verbal memory tasks, the difference was not statistically significant. There was also a trend for hallucinations to be associated with poorer performance on working memory tasks, though this association was eliminated when episodic memory performance was taken into account. Delusions were not significantly associated with any of the cognitive measures.

Published
2008
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