足踏み,駆け足における固視機能の分析の試み

概要

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To investigate the gaze stabilization during walking, eye and head movements were analysed in 10 normal subjects who repeated stepping and running on the same spot. The following results were obtained.1. Head displacements during stepping were limited on both the vertical (less than 1cm) and horizontal plane (1.5cm on average). Thus, walking should be a suitable locomotion for gaze stabilization.2. Running induced a marked increase in the vertical displacement (5.5cm on average), which resulted in pitching motions of the head. The vertical eye movements which increased concomitantly with pitching motions of the head, seemed insufficient to maintain gaze fixation during vertical head displacements.3. Since the findings in the dark resembled those in the light, vision may not play an essential role to stabilize head and eye positions during walking.
社団法人日本耳鼻咽喉科学会の論文