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ACOMS+ 및 학술지 리포지터리 설명회

  • 한국과학기술정보연구원(KISTI) 서울분원 대회의실(별관 3층)
  • 2024년 07월 03일(수) 13:30
 

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손 동작이 움직임 지각에 미치는 영향

Changing the Perception of Visual Motion by Hand Action

한국심리학회지: 인지 및 생물 / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
2013, v.25 no.1, pp.61-73
https://doi.org/10.22172/cogbio.2013.25.1.004
오성주 (서울대학교 심리학과)
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초록

손 움직임과 손에 일어나는 촉각은 시각 움직임 지각에 영향을 준다고 알려져 있다. 그렇지만 이전 연구에서 이 두 요인의 효과는 독립적으로 검증되었다. 본 연구는 이 두 요인이 모두 투입되었을 때 움직임 지각이 어떻게 달라지는지를 살펴보았다. 세 실험에서, 참여자는 두 점이 수평 방향으로 움직일 때 서로 통과하는 움직임 또는 되돌아오는 반동 움직임으로 애매하게 보이는 움직임 자극을 보면서 자신들의 손을 두 점의 움직임과 같이 움직였는데, 박수치듯이 두 손을 가운데서 되돌아오게 하거나 서로 지나치게 하였다. 실험결과, 손을 지나치게 했을 때 두 점의 지나침 움직임이 손을 지나치게 했을 때보다 더 많이 보고하였다. 그런데 두 단서가 서로 되돌아 오는 조건을 만들었을 때 서로에 대한 움직임 지각 효과가 상쇄되었다. 또한 손을 박수치듯 가운데로 움직였다 되돌아오는 조건은 두 점의 반동 지각을 충분히 이끌지 못했는데, 이는 손을 움직일 때 발생하는 운동 감각이 시각 움직임에 미치는 영향은 두 점이 한 방향으로 지나치는 움직임 지각에 제한됨을 시사한다.

keywords
motion perception, touch sense, crossmodality, 움직임 지각, 촉각지각, 중다감각

Abstract

Tests show hand movement and hand touch influence the perception of visual motion. However, previous studies tested these two factors independently. This study examined how differently participants might disambiguate ambiguity in visual motion with simultaneous manipulation of hand movement and touch. While participants observed a streaming/bouncing ambiguous motion display, consisting of two disks that moved horizontally, they moved both hands toward each other, along with the two disks, and either returned from the middle or continued, crossing each other, either with or without the hands touching in the middle. The results supported previous studies showing hand crossing induced greater visual streaming perception, while hand touching induced greater visual bouncing perception. However, when both cues conflicted, their effects decreased significantly, suggesting kinesthetic information and cutaneous touch information additionally influence vision. In addition, the results showed hand returning, alone, did not induce visual bouncing perception, suggesting that kinesthetic information may be effective only for motions in which an object moves along a straight or smooth trajectory or only during initiation of the object's motion.

keywords
motion perception, touch sense, crossmodality, 움직임 지각, 촉각지각, 중다감각

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한국심리학회지: 인지 및 생물