정서가를 가진 얼굴표정을 사용한 재인기억과제에서 양측성 안구운동이 미치는 영향 = The Effect of Bilateral Eye Movements on Emotional Face Recognition Memory Task

국문 초록 (Abstract)

본 연구에서는 양측성 안구운동이 서로 다른 감정가를 가진 얼굴표정의 회상에 차별화된 영향을 미치는지 알아보고자 하였다. 양측성 안구운동을 하였을 때 안구고정 조건에비해 얼굴자극에 대한 인식정확도가 향상되고 반응편향성이 완화되는 것이 관찰되었으며, 중립 얼굴자극보다 화난 얼굴자극에 대한 인식정확도의 향상 정도가 더욱 큰 것으로 나타났다. 이러한 연구 결과는 양측성 안구운동이 부정적 정서기억의 처리에 보다 큰 영향을 미칠 수 있음을 보여주는 것으로 EMDR의 치료 기전을 부분적으로 뒷받침할 수 있을 것으로 생각된다.

다국어 초록 (Multilingual Abstract)

Objectives Previous studies have shown that bilateral eye movements enhance episodic memory retrieval. However, few studies on the effect of bilateral eye movements on emotional memory have been reported. Therefore, this study was conducted in order to investigate the differences in memory retrieval between neutral and angry stimuli after bilaterally alternating eye movements.
Methods Twenty seven healthy right-handed subjects participated in this study. The participants learned faces (angry or neutral face), and then performed a recognition memory task in relation to the faces after bilateral eye movements and central fixation. Recognition accuracy, response bias, and mean response time to hits were compared and analyzed. Two-way repeated measure analysis of variance was performed for statistical analysis.
Results There was a significant effect of bilateral eye movement conditions in recognition accuracy (F=13.833, p<0.01). Statistically significant interaction effects were observed between eye movement condition and face emotion type (F=6.253, p=0.02).
Conclusion In this study, recognition memory for angry faces was more enhanced than that for neutral faces after bilateral eye movements. This finding suggests that bilateral eye movements can improve recognition memory for emotional stimuli more than that for neutral stimuli.

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