ERRONEOUS PERCEPTION OF VERTICAL MOTION BY HUMANS SEATED IN THE UPRIGHT POSITION

Authors
  1. Malcolm, R.
  2. Jones, G.M.
Corporate Authors
McGill Univ, Montreal QUE (CAN) DRB Aviation Medical Research Unit;Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN)
Abstract
The reliability of subjective response to vertical linear accelerations in the absence of vision has been examined in human subjects seated in the upright position. Helicopters and a vertical movement simulator were used to generate sinusoidal vertical movement of period 2-10 sec and acceleration amplitude 0.2-0.4 g. Subjective response were recorded as a continually variable assessment of vertical position. Without prior knowledge of the movement pattern, subjects were aware of movement but registered its form with a performance little better than chance. Light to moderate simulated 'turbulence' did not significantly alter performance.
Date of publication
01 Jan 1974
Number of Pages
10
Reprinted from
Acta Otolaryng, vol 77, 1974, p 274-283
DSTKIM No
74-04777
CANDIS No
24019
Format(s):
Hardcopy

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