얼굴 심상 순응으로 유발된 성별 잔여효과와 개인차에 따른 순응 양상 = Gender aftereffects from mental imagery of faces and individual differences

국문 초록 (Abstract)

얼굴 순응 패러다임 중 하나인 성별 잔여효과(gender aftereffects)는 특정성별(남성 혹은 여성)의 얼굴에 순응이 되면 뒤이어 제시된 중성 얼굴을 더 빈번하게 반대되는 성별의 얼굴(여성 혹은 남성)로 지각하게 되는 현상을 말한다. 본 연구는 심상 순응으로 유도한 성별 잔여효과를 측정하였다. 실험 결과, 참가자 전체의 조건 별 비교에서는 여성 심상 조건보다 남성 심상 조건에서 검사자극을 더 빈번히 남성 얼굴로 지각하였다. 이 결과는 심상과 지각이 반대되는 순응 효과를 보여주고 있다는 것을 시사한다. 그러나 참가자 개인 별로 조건 간 비교를 하면, 참가자들을 심상 순응 양상에 따라 네 집단으로 분류가 가능하였다. 심상 순응 양상에 따라 다른 집단으로 분류가 가능하다는 것은 개인차에 따라 얼굴 심상 순응 양상이 달라질 수 있음을 시사한다. 그러므로 심상 순응 효과를 측정할 때는 반드시 참가자 개인의 특성을 고려해야 한다.

다국어 초록 (Multilingual Abstract)

Prior exposure to a specific gender changes perception of subsequent gender in face perception (gender aftereffects). The current study investigated the nature of gender aftereffects from visual imagery. We found that the ambiguous faces were categorized as male more often after visualizing male faces than after visualizing female faces. Seemingly this result suggests that imagery adaptation has the opposite effects as compared to perceptual adaptation. However, when individual data was separately analyzed, each participant was categorized into four distinctive groups depending on the direction of aftereffects. Specifically, some participants showed imagery aftereffects just like perceptual aftereffects, whereas others showed the opposite trends. This result suggests that the effects of imagery adaptation can be different depending on individual's ability to visualize. Therefore, individual differences should be considered when measuring the effects of imagery adaptation.

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