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합성 얼굴사진을 이용한 조현병 환자의 자기-타인 경계 인식의 특성

Other Titles
 Characteristics of Self-Other Boundary Recognition Using Morphed Face Pictures in Patients with Schizophrenia 
 Seung-Taek Oh  ;  Yeon-Ju Hong  ;  Yu-Bin Shin  ;  Hyung-Jun Yoon  ;  Ja Yeun Sun  ;  Dae Hyun Kim  ;  Jae Min Kim  ;  Jae-Jin Kim 
 Korean Journal of Schizophrenia Research (대한조현병학회지), Vol.18(1) : 21-27, 2015 
Journal Title
 Korean Journal of Schizophrenia Research (대한조현병학회지) 
Issue Date
Schizophrenia ; Self-experience ; Self-other boundary ; Negative symptom
Objectives Disturbance in self-experience has been considered to be a core feature of schizophrenia. Evidence from mirror face-recognition tasks supports the connection between self-face recognition and self-awareness which is a part of self-experience. The aim of this study was to investigate the self-other boundary recognition using morphed face pictures in patients with schizophrenia. Methods Twenty-one patients with schizophrenia and twenty-three healthy controls completed the self-face recognition task that consisted of various morphed pictures. Participant's own picture was morphed with each of three different, unknown, gender-matched facial identities in steps of 10% ; each pair producing 11 images with graded blending of facial features. Thirty-three images in total were randomly presented as stimuli in a run, which was repeated three times. Participants were instructed to choose whether the stimulus was self-face or not. Results Self-face proportion was significantly lower in the schizophrenia group at both recognition start point I and II (33.33% vs. 53.04%, p<0.001 ; 61.43% vs. 70.87%, p=0.01, respectively). Using the mean value of each recognition start point in the control group, we calculated the difference in self-face proportion for each individual with schizophrenia. There was a significant correlation between the degree of this difference and total Scale for the Assessment of Negative Symptoms (SANS) score at recognition start point I (r=0.507, p=0.019). Conclusion The difference in self-other boundary recognition in this study may account for self-disturbance of schizophrenia. Its correlation with SANS total score may reflect the shared nature of persistent disturbance between the disturbance in self-experience and the negative symptom
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1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jae Jin(김재진) ORCID logo https://orcid.org/0000-0002-1395-4562
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