The Effects of Cognitive Rehabilitation on Social Knowledge in Patients with Schizophrenia

This study examined the extent to which cognitive rehabilitation alleviates cognitive deficits in schizophrenia compared to treatment as usual, and explored the mediating and moderating effects on cognitive improvement. Two groups who received cognitive rehabilitation and treatment as usual were ass...

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Bibliographic Details
Published in:Applied neuropsychology 2009-07, Vol.16 (3), p.158-164
Main Authors: Matsui, Mié, Arai, Hirofumi, Yonezawa, Mineo, Sumiyoshi, Tomiki, Suzuki, Michio, Kurachi, Masayoshi
Format: Article
Language:English
Subjects:
Adult
Cognition Disorders - etiology
Cognition Disorders - psychology
Cognition Disorders - rehabilitation
cognitive rehabilitation
Cognitive Therapy - methods
errorless learning
Executive Function - physiology
Follow-Up Studies
Humans
Memory - physiology
Neuropsychological Tests
Psychiatric Status Rating Scales
schizophrenia
Schizophrenia - complications
Schizophrenic Psychology
script
Social Behavior
social knowledge
Treatment Outcome
Young Adult
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Summary:This study examined the extent to which cognitive rehabilitation alleviates cognitive deficits in schizophrenia compared to treatment as usual, and explored the mediating and moderating effects on cognitive improvement. Two groups who received cognitive rehabilitation and treatment as usual were assessed at baseline, three months (immediately post-intervention) and at follow-up (three months post-intervention). Cognitive rehabilitation focused on deficits in social knowledge and was conducted once a week for three months. The principles of errorless leaning and scaffolding informed the intervention. Outcomes were assessed using Script Test measures of social cognition. Other cognitive functions (executive functions and memory) and clinical symptoms were also assessed. Script Test for social knowledge and Rule Shift Test for cognitive flexibility scores were significantly better post-intervention in the cognitive rehabilitation group, while in the control group only free recall Script Test scores improved. Cognitive rehabilitation focused on social knowledge deficits can contribute to improvements in the social cognitive abilities of schizophrenic patients. Improvements in social cognitive functioning were durable at three-month follow-up. Cognitive rehabilitation can clearly benefit schizophrenic patients, at least when combined with atypical antipsychotic medication.
ISSN:0908-4282
1532-4826
DOI:10.1080/09084280903098414