Human behavior and egocentric spatial perception contingent with gravity cue.
Gravity modifies us without our knowing it. Possible functional disabilities of eye, head and body movements were investigated under 1G and microgravity environments to evaluate the gravity cue for human behavior. The system for visual stability might be explained from the viewpoint of coordination between eye and head under microgravity. It is important to ascertain the significance of gravity in the maintenance of human visual stability. Coordination of eye position and head motion behavior by neck muscle discharge was examined in the mission SL-J, as well as a subjective evaluation of visual stability during spaceflight. There are a lot of discussion about human behavior contingent with gravity which has not been discussed ever.
Koga
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Res. Inst. of Environ. Medicine, Nagoya Univ., Japan.