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논문 기본 정보

자료유형
학술저널
저자정보
Jian Zhang (Guizhou Normal University) Ruomin Wang (University of Illinois Urbana-Champaign) Yunzhen Xue (Shanxi Medical University)
저널정보
대한신경정신의학회 PSYCHIATRY INVESTIGATION PSYCHIATRY INVESTIGATION 제19권 제12호
발행연도
2022.12
수록면
991 - 999 (9page)

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초록· 키워드

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Objective The current study aims to find out the potential reasons why most schizophrenia patients have a relatively low sensitivity to the classification of emotional facial expressions. Methods By using an emotional categorical perception task, eighty-three schizophrenia patients and seventy-one healthy adults are pro vided with morphed emotional continuums with two emotional facial expressions (a positive emotional valence: happy; a negative emo tional valence: sad). Results Through comparing the difference between schizophrenia patients and healthy adults in the processes of estimating facial ex pressions with ambiguous emotions, we find that the pattern of emotional categorical perception for schizophrenia patients is signifi cantly different from that of healthy controls when they process signals on the local facial areas. Compared to healthy people, schizo phrenia patients have a significantly separate classification pattern in processing emotional signals between the eyes and mouth regions. It indicates that compared to healthy adults, schizophrenia patients have larger conflicts in integrating emotional signals from different facial areas. To overcome conflicts, more cognitive resources are required. Unfortunately, the lack of cognitive resources leads to the fail ure of integration, which further increases the difficulty of estimating facial expressions with ambiguous emotions, and finally leads to the relatively low sensitivity of emotional facial expressions classification. Conclusion To sum up, the deficit of abnormal perceptions of emotional facial expressions in schizophrenia patients results from an integrated deficit of signals on facial areas.

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