The Effects of Adaptation to Pulfrich Effect and Binocular Disparity on the Perception of the Rotation Direction of an Ambiguous Cylinder Defined by Structure from Motion

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Vol.17 No.4

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The Effects of Adaptation to Pulfrich Effect and Binocular Disparity on the Perception of the Rotation Direction of an Ambiguous Cylinder Defined by Structure from Motion

The Korean Journal of Cognitive and Biological Psychology / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X

2005, v.17 no.4, pp.425-440

(2005). The Effects of Adaptation to Pulfrich Effect and Binocular Disparity on the Perception of the Rotation Direction of an Ambiguous Cylinder Defined by Structure from Motion. The Korean Journal of Cognitive and Biological Psychology, 17(4), 425-440.

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Abstract

The purpose of the present research was to examine whether Pulfrich effect, binocular disparity and SFM (structure-from-motion) were processed by a common neurophysiological mechanism. Subjects adapted to a rotating semitransparent random dot cylinder whose rotation direction was defined by binocular disparity, Pulfrich effect or combination of them and reported the rotation direction of adaptation test stimulus, another rotating cylinder whose rotation direction was ambiguously defined by SFM. Subject perceived that the test stimulus rotated in the direction opposite to that of adapting stimulus defined by binocular disaprity or Pulfrich effect. Interestingly, the adaptation effect changed systematically depending on the relative strength of binocular disparity and Pulfrich effect when the directions of adapting stimuli defined by them are in conflicts. These results imply that binocular disparity, Pulfrich effect and SFM are processed by a common neurophysiological mechanism.

keywords: Pulfrich 효과, 양안부등, 순응, Pulfrich effect, binocular disparity, adaptation, SFM, Pulfrich effect, binocular disparity, adaptation, SFM

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Article Contents

Vol.17 No.4

The Effects of Adaptation to Pulfrich Effect and Binocular Disparity on the Perception of the Rotation Direction of an Ambiguous Cylinder Defined by Structure from Motion

Abstract

Reference

The Korean Journal of Cognitive and Biological Psychology