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일반인의 피해망상적 사고와 과대망상적 사고의 여부에 따른 정신증 경향성에서의 차이
곽수민,HWANGSAMUEL SUK H,설진미,김예니,정희연 대한신경정신의학회 2013 신경정신의학 Vol.52 No.2
Objectives Delusions are prevalent even among members of the general population, and persecutory delusions (PDs) and grandiose delusions (GDs) are most frequently found. In this study,we investigated the differences in the dimensions of delusional ideation, reported psychosis proneness, and subjective psychotic symptoms in nonclinical individuals stratified according to the existence of PDs and GDs. Methods A total of 311 nonclinical individuals completed the Peters et al Delusions Inventory 40 (PDI-40), Perceptual Aberration Scale (PAS), Magical Ideation Scale (MIS), Schizotypal Personality Scale (STA), and Symptom Check List-90-R (SCL-90-R). Individuals were grouped according to four types based on the existence of PDs and GDs in PDI-40 items. Results An analysis of variance revealed that the four groups differed significantly in total delusion score, distress, preoccupation, and conviction level of delusional ideation, PAS, MAS, STA,in total SCL-90-R scores, and all SCL-90-R sub symptoms. In post-hoc analysis, the group with both PDs and GDs showed the highest scores in all measures, compared with the other three groups. Conclusion We found that individuals with both PDs and GDs have a tendency to possess another delusional ideation and reported more distress, preoccupation, and conviction level of delusional ideation, psychosis proneness, and subjective symptoms. Existence of both PDs and GDs significantly elevated psychosis proneness in comparison to having only either one of them.
한국판 신체상 대처전략 척도(K-BICSI)의 탐색적 연구
곽수민,이장한 한국자료분석학회 2007 Journal of the Korean Data Analysis Society Vol.9 No.2
This study attempted to investigate the validity of the Korean Version of the Body Image Coping Strategies Inventory(K-BICSI). The K-BICSI was administered to 96 female college students. The principal component analysis focused on three factors(Appearance Fixing: AF, Avoidance: Avo, Positive Rational Acceptance: PRA). Three items that decreased inter-factor consistency were removed from the analysis. Correlation analysis showed that AF and Avo factors were positively correlated with negative body image-related scales and negative psychosocial function-related scales. The PRA factor was positively correlated with positive body-image scales. Regression analysis identified AF and Avo factors as predictors of abnormal eating attitudes. From these results, sub-factors of the K-BICSI that accurately measured the different body image and psychosocial functions were ascertained. In particular, the Avo factor correlated highly with other scales and was a significant predictor of abnormal eating attitudes. In this study, we identified the K-BICSI as a reliable scale to measure the degree of coping that occurs when body image is challenged or threatened. Cash 등(2005)이 개발한 신체상 대처전략 척도(Body Image Coping Strategies Inventory: BICSI)는 부정적 신체상 위협 상황에 대한 대처전략을 측정하는 도구로써 본 연구에서는 이 척도의 타당화 작업을 하였다. 요인분석 결과 내적 합치도를 저해하는 3문항을 제외하고, 기존 연구와 같이 각각 요인은 외모수정, 회피, 그리고 이성적 수용의 26문항, 3요인으로 구성되었다. 신체상과 관련된 척도 3가지(외모 인지도식 척도-수정판, 신체상 상태평가 척도, 그리고 신체상 만족도 검사)와 심리사회적 기능을 측정하는 척도 3가지(섭식장애 척도, 폭식행동 척도, 그리고 자아존중감 척도)와의 상관관계를 살펴보았다. 그 결과 외모수정, 회피 요인은 자신의 신체상 불만족과 심리사회적 역기능을 나타냈다. 그리고 이성적 수용 요인은 자신의 신체상에 대한 만족과 상관이 높았다. 회귀분석을 실시하였을 때 외모수정과 회피 요인은 이상 섭식태도(섭식장애 척도, 폭식행동 척도)를 예측하는 변인으로 확인되었다. 이를 통해 하위 척도 3가지가 각각 다른 신체상 만족도와 심리사회적 기능을 측정하고 있다는 것을 알 수 있었다. 3개의 요인 중에서도 특히 회피 요인이 다른 척도와의 상관 정도도 높았고, 이상 섭식태도 예측에도 유의미한 정도가 높았다. 이를 바탕으로 한국판 BICSI가 신체상 위협 상황에서 여성들의 대처 정도를 알 수 있는 신뢰로운 도구라는 것이 확인되었다.
회피 대처전략이 외모관련 자극에 대한 주의편향과 정서변화에 미치는 효과: 안구운동 추적장비를 이용하여
곽수민,이장한 한국임상심리학회 2007 Korean Journal of Clinical Psychology Vol.26 No.3
This study attempted to investigate the attentional bias and emotional change of coping strategy user when appearance-related stimuli presented. Participants were 24 female college students and divided into two groups(high-avoidance group, N=12; low-avoidance group, N=12) by K-BICSI(The Korean Version of the Body Image Coping Strategies Inventory). Attentional bias was measured by eye-tracker and analyzed the initial fixation direction and gaze duration time. Emotional change was measured by VAS. High-avoidance group indicated significantly longer gaze time to attractive stimuli than low-avoidance group did. And their feeling changed negatively when after presenting of appearance-related stimuli than before presenting. From these results, it was identified that high-avoidance group had different attention mechanism and were emotionally sensitive compared to low-avoidance group. In future studies, it will be helpful for preventing and treatment of eating disorder to measure various aspects of the cognitive mechanism and emotional change in avoidance coping strategy user.
Synthesis and Characterization of Highly Stretchable Polyrotaxane Based Polyurethane
곽수민,정일두,Md Hasan Truabee 한국고분자학회 2021 한국고분자학회 학술대회 연구논문 초록집 Vol.46 No.2
Highly stretchable polymer have getting much attention because of their unique properties. In this study, a highly stretchable polymer was synthesized by crosslinking polyurethane with pre-synthesized polyrotaxane from polypropylene glycol (PPG) with low covered cyclodextrin (CD) which acts as both chain extender and crosslinker. One pot method was used to synthesize polyrotaxane by threading beta cyclodextrin (β-CD) along the axis of PPG-tetra amine polymer backbone followed end capped with 2,4,6-trinitrobenzene sulfonic acid (TNBSA). The synthesized polyurethane and polyrotaxane were characterized by H NMR and FTIR spectroscopies. Coverage of polyrotaxane was adjusted by mole ratio of PPG and β-CD. This novel properties of the polymer can vastly covered different applications with flexible surface for wearable device.