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Paranoid and nonparanoid schizophrenic processing of facially displayed affect.
Journal of Psychiatric Research
|July 1, 1992
Summary
Paranoid and nonparanoid schizophrenia patients show distinct cognitive schema differences. Nonparanoid individuals struggle with emotional and non-emotional information processing, indicating broader cognitive schema deficits.
Area of Science:
- Cognitive Psychology
- Psychiatry
- Neuroscience
Background:
- Schizophrenia is characterized by cognitive deficits.
- Differences in affective information processing may stem from distinct schemas in paranoid and nonparanoid subtypes.
Purpose of the Study:
- To investigate cognitive schema differences between paranoid schizophrenics, nonparanoid schizophrenics, and healthy controls.
- To compare performance on facial affect judgment and a control task with geometric figures.
Main Methods:
- 14 paranoid schizophrenics, 13 nonparanoid schizophrenics, and 15 controls completed facial affect and geometric figure tasks.
- Tasks involved rating friendliness, labeling emotions, and subsequent memory recall.
Main Results:
- Nonparanoid schizophrenics showed deficits in labeling facial affect, suggesting weak emotional schemas.
- Paranoid schizophrenics were more accurate in labeling negative facial affects, indicating developed negative emotional schemas.
- Nonparanoid individuals exhibited greater memory deficits for geometric figures than faces, suggesting poorly organized schemas for nonverbal information.
Conclusions:
- Findings support fundamental cognitive processing differences between paranoid and nonparanoid schizophrenia.
- Cognitive schema organization varies significantly between schizophrenia subtypes.