Loose, Rainer and Probst, Thomas (2001) Velocity not acceleration of self-motion mediates vestibular-visual interaction. PERCEPTION, 30 (4). pp. 511-518. ISSN 0301-0066
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We investigated the influence of vestibular stimulation with different angular accelerations and velocities on the perception of visual motion direction. Constant accelerations resulting in different angular velocities and constant angular velocities obtained at different accelerations were combined in twenty healthy subjects. Random-dot kinematograms with coherently moving pixels and randomly moving pixels were used as visual stimuli during whole-body rotations. The smallest percentage of coherently moving pixels leading to a clear perception of motion direction was taken as the perception threshold. Perception thresholds significantly increased with increasing angular velocity. Increased acceleration, however, had no significant effect on the perception thresholds. We conclude that the achieved angular velocity, and not acceleration, is the predominant factor in the processing of vestibular-visual interaction.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | LINEAR ACCELERATION; BODY ACCELERATION; OBJECT-MOTION; PERCEPTION; STIMULATION; DIRECTION; CORTEX; MT; POTENTIALS; COHERENCE; |
| Subjects: | 100 Philosophy & psychology > 150 Psychology |
| Divisions: | Human Sciences > Institut für Psychologie > Lehrstuhl für Psychologie I (Allgemeine Psychologie I und Methodenlehre) - Prof. Dr. Mark W. Greenlee |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 07 Mar 2022 10:57 |
| Last Modified: | 07 Mar 2022 10:57 |
| URI: | https://pred.uni-regensburg.de/id/eprint/41930 |
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