Effect of body tilt on apparent verticality, apparent body position, and their relation.
- 1 February 1964
- journal article
- research article
- Published by American Psychological Association (APA) in Journal of Experimental Psychology
- Vol. 67 (2) , 142-147
- https://doi.org/10.1037/h0046424
Abstract
One hundred Ss indicated, by means of a luminescent rod the vertical direction in space (apparent vertical) and the direction of their longitudinal body axis (apparent body positions) under body tilt ranging from 90[degree] left, through upright, to 90[degree] right. Significant (p<.001) deviations of apparent from objective positions were observedfor apparent vertical apparent body position, and the relation between the 2. The trend of the observed deviations appeared as a nonlinear function of the degree of body tilt. The results were interpreted in terms of the notion of differentiation of a spatial reference system defined with respect to external space and a spatial reference system defined with respect to one''s own body.Keywords
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