사회불안이 사후반추사고 및 생리적 각성에 미치는 영향
The Influence of Social Anxiety on Post-event Rumination and Physiological Arousal
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본 연구에서는 사회불안이 사회적 상황 이후 나타나는 사후반추사고 및 생리적 각성수준 변화에 미치는 영향을 확인하고자 하였다. 이를 위해 사회적 상호작용 불안 점수에 따라 높은 사회불안집단(19명)과 낮은 사회불안집단(19명)을 선별한 후, 사회적 상호작용 과제실시 후 사후반추사고 및 생리적 각성수준의 변화를 자기보고식 설문지와 생리측정도구를 이용하여 측정하였다. 또한 시간에 따른 사후반추사고 및 불안수준의 변화를 확인하기 위해 과제종료 3일 후, 자기보고식 설문지를 이용하여 추적조사를 실시하였다. 실험결과, 사회적 상호작용 과제 동안 두 집단의 생리적 각성수준의 차이는 없었지만, 사회적 상호작용 과제가 종료된 후 회복단계 동안 높은 사회불안집단의 생리적 각성수준이 낮은 사회불안집단에 비해 유의미하게 높았다. 또한 과제종료 직후와 추적조사 모두, 높은 사회불안집단의 주관적 불안수준 및 부정적 사후반추사고 빈도가 낮은 사회불안집단보다 더 높았다. 이를 통해 사회불안수준이 높은 사람이 과제종료 직후와 3일 후 추적조사 모두 부정적 반추를 더 많이 하며, 후기 회복단계에서만 생리적 각성수준이 더 높게 유지되는 것을 확인할 수 있었다.
Abstract
Individuals with social anxiety may ruminate for hours or even days over their perceived social failures after being in a social situation(e.g., social interaction), a process known as post-event rumination(PER). PER is unproductive and theoretically maintains anxiety, possibly through rehearsal and elaboration of negative social memories. Despite this theoretical emphasis, to date, PER has not been studied extensively in the context of social anxiety. In order to examine the influence of social interaction on PER in socially anxious people, we measured changes in skin conductance level of 19 individuals with high social anxiety(HSA) and 19 individuals with low social anxiety(LSA) during social interaction tasks. In addition, PER was measured using post-event rumination scales after a recovery period and after three days. Results indicated that although physiological arousal levels in the social interaction did not differ between the HSA group and the LSA group, the HSA group showed more delayed recovery from it than the LSA group. Also, subjects in the HSA group reported that they experienced higher levels of anxiety and thought more frequently about social interaction than those in the LSA group after social interaction. These results provide empirical support for the idea that PER would play a crucial role in development or maintenance of social anxiety.
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