Japanese Psychological Research
Online ISSN : 1468-5884
Print ISSN : 0021-5368
Induced subjective self-motion in left-right reversed vision
HIROYUKI EGUSATAKARA TASHIRO
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JOURNAL FREE ACCESS

1988 Volume 30 Issue 1 Pages 25-32

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Abstract
Three experiments were performed to investigate the effect of prolonged exposure to leftright reversed vision on visually induced sensation of self-motion (vection). The vision reversal was attained by means of prism goggles. Human subjects wore such goggles continuously for about 8 days (Experiment 1), 5 hours (Experiment 2), or 14 days (Experiment 3). The subjective self-motion was produced with a laterally moving random pattern. The subjects wearing the goggles were asked to report the onset of perceived self-motion and its direction and to give magnitude estimates of the perceived speeds of that motion and of the motion of the pattern. Such vection tests were also carried out under normal but restricted vision before and after the exposure period. The results showed that the exposure to the reversed vision does not change the direction of vection. This is inconsistent with the earlier findings of Oman, Bock, and Huang (1980). It was also found that reversed vection, i. e., the motion in direction the same as that of perceived stimulus motion can occur under normal vision even before wearing reversing goggles.
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