Perception of linear horizontal self-motion induced by peripheral vision (linearvection) basic characteristics and visual-vestibular interactions

The basic characteristics of the sensation of linear horizontal motion have been studied. Objective linear motion was induced by means of a moving cart. Visually induced linear motion perception (linearvection) was obtained by projection of moving images at the periphery of the visual field. Image v...

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Bibliographic Details
Published in:Experimental brain research 1975-11, Vol.23 (5), p.471-489
Main Authors: Berthoz, A, Pavard, B, Young, L R
Format: Article
Language:English
Subjects:
Adaptation, Psychological
Conflict (Psychology)
Cues
Humans
Light
Motion Perception - physiology
Neural Analyzers - physiology
Reaction Time
Space life sciences
Vestibule, Labyrinth - physiology
Visual Perception - physiology
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Summary:The basic characteristics of the sensation of linear horizontal motion have been studied. Objective linear motion was induced by means of a moving cart. Visually induced linear motion perception (linearvection) was obtained by projection of moving images at the periphery of the visual field. Image velocity and luminance thresholds for the appearance of linearvection have been measured and are in the range of those for image motion detection (without sensation of self motion) by the visual system. Latencies of onset are around 1 sec and short term adaptation has been shown. The dynamic range of the visual analyser as judged by frequency analysis is lower than for the vestibular analyser. Conflicting situations in which visual cues contradict vestibular and other proprioceptive cues show, in the case of linearvection a dominance of vision which supports the idea of an essential although not independent role of vision in self motion perception.
ISSN:0014-4819
1432-1106
DOI:10.1007/bf00234916