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Roll motion stimuli : sensory conflict, perceptual weighting and motion sickness

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Author: Graaf, B. de · Bles, W. · Bos, J.E.
Type:article
Date:1998
Institution: TNO Technische Menskunde
Source:Brain Research Bulletin, 5, 47, 489 - 495
Identifier: 9234
doi: DOI:10.1016/S0361-9230(98)00116-6
Keywords: Perception · Motion sickness · Roll motion · Sensory conflict · Subjective vertical · adult · article · centrifugation · clinical article · conflict · female · human · individualization · information processing · male · motion sickness · perception · priority journal · somatosensory stimulation · stimulus response · tilting · vestibular system · visual stimulation · Conflict (Psychology) · Female · Gravitation · Humans · Male · Motion Perception · Motion Sickness · Photic Stimulation · Posture · Rotation

Abstract

In an experiment with seventeen subjects interactions of visual roll motion stimuli and vestibular body tilt stimuli were examined in determining the subjective vertical. Interindi-vidual differences in weighting the visual information were observed, but in general visual and vestibular responses added in setting the vertical. Despite the conflicting sensory information, motion sickness was not reported apart for one subject on one special occasi-on. This is in conflict with the sensory mismatch theory on motion sickness, but in agree-ment with the subjective vertical conflict theory.