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Eunchong Seo,Minji Bang,Eun Lee,Suk Kyoon An 대한신경정신의학회 2018 PSYCHIATRY INVESTIGATION Vol.15 No.9
ObjectiveaaThis study aimed to investigate whether aberrant tendency of noncurrent emotion was present in individuals at ultra-high risk (UHR) for psychosis and to explore its associations with various clinical profiles. MethodsaaFifty-seven individuals at UHR and 49 normal controls were enrolled. The tendency of experiencing noncurrent emotion was assessed using various noncurrent emotional self-reported formats, including trait [Neuroticism and Extraversion of the Eysenck Personality Questionnaire], hypothetical (Chapman’s Revised Physical and Social Anhedonia Scales), and retrospective [Anhedonia- Asociality Subscale of the Scale for the Assessment of Negative Symptoms (SANS)] measures. Self-related beliefs (Self-Perception Scale), clinical positive and negative symptoms (SA Positive Symptoms and SANS), psychosocial function (Global Functioning Scale: Role Function and Global Functioning Scale: Social Function) were also examined. ResultsaaSubjects at UHR for psychosis reported more trait unpleasant and less trait pleasant emotions, more hypothetical physical and social anhedonia, and more retrospective anhedonia than normal controls. In UHR, self-perception was correlated to trait unpleasant emotion and hypothetical physical and social anhedonia. Negative symptoms in UHR were associated with hypothetical physical anhedonia and retrospective anhedonia. Global social functioning was related to trait pleasant emotion, hypothetical physical and social anhedonia, and retrospective anhedonia. Neurocognitive function, positive symptoms, and global role functioning were not related with any noncurrent emotional experience measures in UHR. ConclusionaaThese findings suggest that the aberrant tendency of noncurrent emotional experience may be present at the ‘putative’ prodromal phase and are grossly associated with self-related beliefs and psychosocial functioning but not neurocognitive functioning.
Eunchong Seo,Se Jun Koo,Ye Jin Kim,Jee Eun Min,Hye Yoon Park,Minji Bang,Eun Lee,Suk Kyoon An 대한신경정신의학회 2020 PSYCHIATRY INVESTIGATION Vol.17 No.8
Objective The Reading the Mind in the Eyes Test (RMET) is a common measure of the Theory of Mind. Previous studies found a correlation between RMET performance and neurocognition, especially reasoning by analogy; however, the nature of this relationship remains unclear. Additionally, neurocognition was shown to play a significant role in facial emotion recognition. This study is planned to examine the nature of relationship between neurocognition and RMET performance, as well as the mediating role of facial emotion recognition. Methods One hundred fifty non-clinical youths performed the RMET. Reasoning by analogy was tested by Raven’s Standard Progressive Matrices (SPM) and facial emotion recognition was assessed by the Korean Facial Expressions of Emotion (KOFEE) test. The percentile bootstrap method was used to calculate the parameters of the mediating effects of facial emotion recognition on the relationship between SPM and RMET scores. Results SPM scores and KOFEE scores were both statistically significant predictors of RMET scores. KOFEE scores were found to partially mediate the impact of SPM scores on RMET scores. Conclusion These findings suggested that facial emotion recognition partially mediated the relationship between reasoning by analogy and social cognition. This study highlights the need for further research for individuals with serious mental illnesses.
발도르프유아교육기관에서의 자유놀이 지원과 효과에 대한 교사의 인식
서은총(Eunchong Seo),윤선영(Sunyoung Yoon),오윤정(Yoonjung Oh) 한국질적탐구학회 2020 질적탐구 Vol.6 No.1
본 연구의 목적은 ‘유아중심·놀이중심’으로 자유놀이를 지원하는 방법의 가능성을 제시하는 것으로, 2019년 5월부터 8월까지 한국과 독일의 발도르프유아교육기관에서 근무하는 7명의 교사를 대상으로 인터뷰와 현장관찰을 실시하였다. 연구문제는 발도르프 유아교육기관의 교사는 자유놀이의 의미를 어떻게 인식하고 있으며, 자유놀이를 어떻게 지원하고 있는지, 그리고 자유놀이 지원효과를 무엇이라고 인식하고 있는 지다. 수집된 자료는 질적 연구방법 분석절차에 따라 총 11개의 주제가 도출되었다. 교사는 자유놀이를 종합선물세트, 존재의 의미, 모험으로 인식하고 있었다. 자유놀이 지원방법에서, 교사는 무엇이든, 무엇으로든 가능한 놀이환경, 놀이를 열어주는 관계형성, 최소한의 개입, 넓은 마음, 들숨-날숨의 리듬이 있는 여유로운 생활을 제공하고 다양한 모습의 지원군, 모범적인 생활작업가로서의 역할을 하고 있었다. 교사는 자유놀이의 효과를 진짜 자유로운 어린이, 중심을 잡아가는 자유로운 교사가 되는 것이라고 인식하였다. The purpose of this study was to present the possibility of supporting free play in ‘children-oriented and play-oriented ways. Seven teachers who worked at the Waldorf early childhood education institutions in Korea and Germany participated for interview and field observation from May to August 2019. The question of research is how teachers in the Waldorf early childhood education institutions perceive the meaning of free play, how they support free play, and what the effects of free play support are they perceived? A total of 11 topics were derived, through the analysis procedure of the qualitative research method. The teachers recognized free play as a comprehensive gift set, meaning of existence, and adventure. In the free play support method, teachers are providing a play environment that can accept anything, the relationship to open the chances of play, the minimum intervention, the generous mind, and the relaxed life with the rhythm of the inhalation-exhalation. They are also playing a role as the support group of various profiles and worker living an exemplary life. The teachers recognized the effects of free play as a way of being a truly free children and taking the center presence as free teachers.
Various approaches for the more effective spin-orbit torque switching
Suhyeok An,Eunchong Baek,Yeh-Ri Kim,Dongryul Kim,Jin-A Kim,Hyeongjoo Seo,Chun-Yeol You 한국자기학회 2021 한국자기학회 학술연구발표회 논문개요집 Vol.31 No.2
Spin orbit torque (SOT) induced magnetization switching is promising technique for the logic-in-memory applications. SOT switching has many advantages compare to the spin transfer torque switching: separated read/write current paths, faster switching speed, independent switching behavior on the free layer damping constant, and less energy consumption. Despite many advantages, there are still unresolved issues in SOT switching. We studied various technique to improve the efficiency of SOT switching. First, we will discuss about the effect of the He+ ion irradiation on the SOT switching, He+ ion irradiation leads not only the magnetic anisotropy, but also the spin Hall angle variations. We will also introduce several approaches in order to achieve field-free SOT switching by introducing lateral in-plane symmetry breaking.
Wanji Kong,Se Jun Koo,Eunchong Seo,Hye Yoon Park,Eun Lee,Suk Kyoon An 대한신경정신의학회 2021 PSYCHIATRY INVESTIGATION Vol.18 No.11
Objective While recent studies have found deficits in theory of mind (ToM) skills in individuals at ultra-high risk (UHR) for psychosis, empathic tendencies in these subjects remain unclear. The presence of high schizotypy and compromised executive functions, which are found in UHR individuals, would affect ToM skills and empathic tendencies. We investigated the ToM skills and empathic tendencies of UHR individuals and examined their relationship with schizotypy and executive function. Methods This study included 28 UHR individuals and 28 age- and sex-matched healthy controls. All participants completed a self-reported empathic scale (Interpersonal Reactivity Index) and the Wisconsin Schizotypy Scales. Additionally, the ToM Picture Stories Task and Wisconsin Card Sorting Test were conducted. Results UHR individuals showed a trend toward lower self-reported empathic tendencies; however, there were no differences in ToM skills between the two groups. Of the four subscales of the IRI, only empathic concern showed a significant difference between the two groups. Empathic concern was inversely associated with negative schizotypy. Conclusion Our findings suggest that UHR individuals show relatively preserved cognitive empathy but compromised emotional empathy. Furthermore, in UHR individuals, the empathic concern subscale of the IRI was associated with negative schizotypy, while ToM skills were related to positive schizotypy and executive function.
“Reading the Mind in the Eyes Test”:Translated and Korean Versions
Se Jun Koo,Ye Jin Kim,Jung Hwa Han,Eunchong Seo,Hye Yoon Park,Minji Bang,Jin Young Park,Eun Lee,Suk Kyoon An 대한신경정신의학회 2021 PSYCHIATRY INVESTIGATION Vol.18 No.4
Objective The Reading the Mind in the Eyes Test (RMET) was developed by using Caucasian eyes, which may not be appropriate to be used in Korean. The aims of the present study were 1) to develop a Korean version of the RMET (K-RMET) by using Korean eye stimuli and 2) to examine the psychometric properties of the Korean-translated version of the RMET and the K-RMET. Methods Thirty-six photographs of Korean eyes were selected. A total of 196 (101 females) healthy subjects were asked to take the Ko-rean-translated version of the RMET and K-RMET. To assess internal consistency reliability, Cronbach’s alpha coefficients were comput-ed, and test–retest reliability was assessed by the intraclass correlation coefficient (ICC) and Bland-Altman plots. Confirmatory factor analysis (CFA) and item analysis were also conducted. Results Internal consistency, measured by Cronbach’s alpha, was 0.542 for the Korean-translated version of the RMET, and 0.540 for the K-RMET. Test–retest reliability (n=25), measured by the ICC, was 0.787 for the Korean-translated version of the RMET, and 0.758 for the K-RMET. In CFA, the assumed single and 3-factor model fit indices were not good in the both types of RMETs. There was difficulty in discrimination in nine items of the Korean-translated version of the RMET and 10 items of the K-RMET. Conclusion The psychometric properties of both the Korean-translated version of the RMET and the K-RMET are acceptable. Both tests are applicable to the clinical population, as well as the general population in Korea. Psychiatry Investig 2021;18(4):295-303