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우울증의 얼굴표정 정서정보 처리 연구에 대한 통합적 문헌고찰
조은의(Eunui Jo),김제중(Jejoong Kim) 대한스트레스학회 2020 스트레스硏究 Vol.28 No.2
본 연구는 얼굴 표정 자극을 사용하여 우울증의 정서 정보 처리 양상을 밝혀낸 문헌들에 대한 통합적 문헌고찰 연구이다. 지난 20년간 발표된 국내외 학술지 논문을 대상으로 최종 19편의 논문을 선정하였다. 연구 결과, 우울한 사람들은 우울하지 않은 사람들과 비교했을 때 다음과 같은 특징을 보였다. 첫째, 정확한 정서 처리를 위해 더 오랜 시간이 소요된다. 둘째, 긍정정서는 높은 강도로 제시해야 맞추는 반면 부정 정서는 낮은 강도로 주어져도 잘 맞춘다. 셋째, 부정정서의 강도를 과대추정하는 경향이 있다. 넷째, 모호하거나 중립적인 얼굴 표정에 부적 해석편향을 보인다. 한편 정확성에서는 연구 결과가 일관되지 않았다. 추후 연구들에서는 보다 정밀한 연구 설계와, 우울증의 개입 방안 개발이 요구된다. Background: This study is an integrative review of literatures of research on emotion processing in depression using facial expression stimuli. Methods: For the review, we searched domestic and international research articles over the past 20years according to the integrative review procedure and selected the final 19 papers. Results: The results of the review revealed that depressed people, compared with those who were not depressed, had the following differences. First, they needed longer time for precise processing of emotion. Second, they managed to recognize positive emotion with high intensity while easily recognized negative emotions with low intensity. Third, they tended to overestimate the intensity of negative emotion. Fourth, they showed a negative interpretation bias to ambiguous or neutral facial expressions. Meanwhile, consistent results across the studies were not found for the variable of accuracy. Conclusions: Our results suggest that it is necessary to develop more elaborate intervention program and design more sophisticated experiment for further coherent understanding of depression.
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정서 정보가 생물형운동자극의 시지각 및 작업기억에 미치는 영향
이한나 ( Hannah Lee ),김제중 ( Jejoong Kim ) 한국감성과학회 2018 감성과학 Vol.21 No.3
The appropriate interpretation of social cues is a crucial ability for everyday life. While processing socially relevant information, beyond the low-level physical features of the stimuli to emotional information is known to influence human cognition in various stages, from early perception to later high-level cognition, such as working memory (WM). However, it remains unclear how the influence of each type of emotional information on cognitive processes changes in response to what has occurred in the processing stage. Past studies have largely adopted face stimuli to address this type of research question, but we used a unique class of socially relevant motion stimuli, called biological motion (BM), which depicts various human actions and emotions with moving dots to exhibit the effects of anger, happiness, and neutral emotion on task performance in perceptual and working memory. In this study, participants determined whether two BM stimuli, sequentially presented with a delay between them (WM task) or one immediately after the other (perceptual task), were identical. The perceptual task showed that discrimination accuracies for emotional stimuli (i.e., angry and happy) were lower than those for neutral stimuli, implying that emotional information has a negative impact on early perceptual processes. Alternatively, the results of the WM task showed that the accuracy drop as the interstimulus interval increased was actually lower in emotional BM conditions than in the neutral condition, which suggests that emotional information benefited maintenance. Moreover, anger and happiness had distinct impacts on the performance of perception and WM. Our findings have significance as we provide evidence for the interaction of type of emotion and information-processing stage.
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