Changes in visual speed perception induced by anticipatory smooth eye movements

Author:

Miyamoto Takeshi1ORCID,Numasawa Kosuke2,Ono Seiji1ORCID

Affiliation:

1. Faculty of Health and Sport Sciences, University of Tsukuba, Ibaraki, Japan

2. Graduate School of Comprehensive Human Sciences, University of Tsukuba, Ibaraki, Japan

Abstract

We provide psychophysical evidence that the execution of anticipatory smooth eye movement (ASEM) leads to underestimation of visual speed perception, that is, observers perceive the object motion velocity as slower than when ASEM is not induced, even though the performance of subsequent ocular tracking is comparable. Moreover, our results showed that such perceptual decisions regarding object motion velocity were derived from the ASEM-induced decrease in retinal slip velocity during the initial phase of ocular tracking.

Funder

University of Tsukuba

MEXT | Japan Society for the Promotion of Science

Publisher

American Physiological Society

Subject

Physiology,General Neuroscience

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