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최정원(Jungwon Choi),임정하(JungHa Lim),정예지(Yejee Jeong) 한국인간발달학회 2024 人間發達硏究 Vol.31 No.1
본 연구의 목적은 아동용 또래 거부민감성 척도(최정원, 2023)의 단축형을 구성하고, 단축형 척도의 심리측정학적 특성을 확인하는 것이다. 이를 위하여 초등학교 5, 6학년 아동 463명을 대상으로 또래 거부민감성과 친구와의 불안정애착, 또래관계문제에 대한 자기보고식 설문자료를 수집하였다. 주요 연구결과는 다음과 같다. 첫째, 탐색적 요인분석 결과 단축형 척도는 총 17문항으로 거부예상, 우울⋅분노, 해석편향, 불안⋅위축의 네 가지 하위요인으로 구성되었다. 둘째, 원척도와 단축형 척도의 상관분석 결과 두 점수의 동질성이 매우 높았다. 셋째, 단축형 척도의 신뢰도는 높게 나타났다. 넷째, 단축형 척도는 CRSQ와 높은 관련성을 보여 준거관련 타당도가 적절하였다. 친구와의 불안정애착 및 또래관계문제 상위 30%집단이 하위 30%집단보다 또래 거부민감성 점수가 높은 것으로 나타나 단축형 척도의 집단비교 타당도를 확인하였다. 또래 거부민감성 단축형 척도는 아동 연구 및 상담현장에서 편리하게 활용될 수 있을 것으로 기대된다. This study aims to develop a short form of the Peer Rejection Sensitivity Questionnaire (PRSQ; Choi, 2023) and assess its psychometric properties. A sample of 463 children in the 5th and 6th grades from elementary schools participated in the study. Self-report data were collected using questionnaires on peer rejection sensitivity, in-secure friendship attachment, and peer relationship problems. Exploratory factor analyses yielded a short form of the PRSQ consisting of 17 items with four factors including re-jection expectation, anger/depression, interpretation bias, and anxiety/withdrawal. Correlation analyses demonstrated strong associations between scores of the original and the short forms. The short form of the PRSQ exhibited high internal consistency and split-half reliability. Furthermore, it displayed appropriate criterion-related validity, with substantial associations with the CRSQ. Children in the top 30 percent of insecure friend-ship attachment and peer relationship problems scored significantly and practically higher on peer rejection sensitivity than those in the bottom 30%, supporting the known-group validity of the short form. The short form of the PRSQ serves as a valuable instrument for measuring peer rejection sensitivity of school-age children within research and counsel-ing settings.
Conformational Dynamics of Sclerostin-LRP6 Complex Analyzed by HDX-MS
( Yejing Jeong ),( Jinuk Kim ),( Hee-jung Choi ),( Ka Young Chung ) 한국응용약물학회 2021 Biomolecules & Therapeutics(구 응용약물학회지) Vol.29 No.5
Sclerostin (SOST), a regulator of bone formation in osteocytes, inhibits the canonical Wnt signaling by interacting with low-density lipoprotein receptor-related protein 5/6 (LRP5/6) to prevent Wnt binding. Loss-of-function mutations of the SOST gene caused massive bone outgrowth and SOST-null mouse exhibited a high bone density phenotype. Therefore, SOST has been suggested as a promising therapeutic target for osteoporosis. A few previous studies with X-ray crystallography identified the binding interfaces between LRP6 and SOST, but there are limitations in these studies as they used truncated SOST protein or SOST peptide. Here, we analyzed the conformational dynamics of SOST-LRP6 E1E2 complex using hydrogen/deuterium exchange mass spectrometry (HDX-MS). We examined the effect of the C-terminal tail of SOST on LRP6 conformation upon complex formation. HDXMS analysis suggested a new potential binding interface for the C-terminal region of SOST that was missing from the previous crystal structure of the SOST-LRP6 E1E2 complex.
신경범죄학 : 뇌영상을 활용한 공격성 및 범죄 행동의 이해
유시영,최예지,김상준,정현석,마지영,정유진,문소현,김영은,강일향,김영훈,신경식,김지은,Yu, Si Young,Choi, Yejee,Kim, Sangjoon,Jeong, Hyeonseok S.,Ma, Jiyoung,Jeong, Eujin,Moon, Sohyeon,Kim, Nicole Y.,Kang, Ilhyang,Kim, Young Hoon,Shin, Kyu 대한생물정신의학회 2016 생물정신의학 Vol.23 No.2
Criminology has been understood within a sociological framework until the emergence of neurocriminology, which describes, understands and predicts criminal behaviors from a neurobiological point of view. Not only using biological factors including genes and hormones to understand criminal behaviors, but also using neuroimaging techniques, the field of neurocriminology aims to delve into both structural and functional differences in the brain of individuals with aggression, antisocial personalities, and even the criminals. Various studies have been conducted based on this idea, however, there still are limitations for the knowledge from these studies to be used in the court. In this review article, we provide an overview of the various research in neurocriminology, and provide insight into the future direction and implication of the field.
유시영,최예지,김상준,정현석,마지영,김영훈,문소현,강일향,정유진,서채원,신경식,김지은,Yu, Si Young,Choi, Yejee,Kim, Sangjoon,Jeong, Hyeonseok S.,Ma, Jiyoung,Kim, Young Hoon,Moon, Sohyeon,Kang, Ilhyang,Jeong, Eujin,Suh, Chae Won,Shin, Kyun 대한생물정신의학회 2016 생물정신의학 Vol.23 No.3
Aggression and aggressive behaviors, often explained as harmful social interaction with the intention of hurting or inflicting damage upon another, have been considered as an adaptive mechanism from the evolutionary psychological point of view. However, various studies on aggression and aggressive behaviors have been done with psychopathological approach as the extreme aggressive behaviors may harm themselves and others at the same time. Recently, researchers have attempted to explain aggression in terms of neurobiological substrates rather than based on traditional psychopathological and/or behavioral concept. In this regard, there have been findings of differences in neurotransmitters and their receptors, and genetic polymorphisms. In this review article, we provide a brief overview of the literature about seven most frequently reported neurotransmitters including neurohormones (serotonin, norepinephrine, dopamine, gamma-aminobutyric acid, nitric oxide, oxytocin and vasopressin) and an associated enzyme (monoamine oxidase A), which are known to be related with aggression and aggressive behaviors.