title: Walking without optic flow reduces subsequent vection.
abstract: This experiment investigated the effect of walking without optic flow on subsequent vection induction and strength. Two groups of participants walked for 5 min (either wearing Ganzfeld goggles or with normal vision) prior to exposure to a vection-inducing stimulus. We then measured the onset latency and strength of vection induced by a radially expanding pattern of optic flow. The results showed that walking without optic flow transiently yielded later vection onsets and reduced vection strength. We propose that walking without optic flow triggered a sensory readjustment, which reduced the ability of optic flow to induce self-motion perception.
authors.affiliation: Institute for Advanced Study, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka, 812-8581, Japan, seno@design.kyushu-u.ac.jp.
authors.forename: Takeharu
authors.initials: T
authors.lastname: Seno
authors.forename: Stephen
authors.initials: S
authors.lastname: Palmisano
authors.forename: Bernhard E
authors.initials: BE
authors.lastname: Riecke
authors.forename: Shinji
authors.initials: S
authors.lastname: Nakamura
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009039:Motion Perception / Q000502:physiology*; D057849:Optic Flow / Q000502:physiology*; D010775:Photic Stimulation; D012649:Self Concept; D016138:Walking / Q000502:physiology*; D055815:Young Adult