2011 Fiscal Year Final Research Report
Factors intensifying positive symptoms of schizophrenia : A research on strategies to control unwanted intrusive thoughts
| Project/Area Number |
22830106
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Single-year Grants |
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| Research Field |
Clinical psychology
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| Research Institution | Iwaki Meisei University (2011)
Niigata University of Rehabilitation (2010) |
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Principal Investigator |
SATO Taku いわき明星大学, 人文学部, 助教 (10577828)
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| Project Period (FY) |
2010 – 2011
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| Keywords | 統合失調症 / 統合失調症型パーソナリティ / 侵入思考 / 思考のコントロール / 対処方略 |
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| Research Abstract |
We investigated the relationships with thought control strategies and cognitive dysfunction of schizophrenia. A series of studies showed that schizophrenic patients and non-patients with highly schizotypal traits used more worry- and punishment-based control strategies. These maladaptive control strategies were associated with cognitive dysfunction and an external locus of control. Also, we used causal analyses with panel data to estimate a causal relationship between thought control strategies and persecutory ideation. Results of structural equation modeling using cross-lagged effect models and synchronous effect models suggest that the worry- and reappraisal-based strategies influenced the frequency and conviction of paranoid thoughts, and that the frequency of paranoid thoughts influenced the punishment-based strategies.
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