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  Human movements do not look the same in a tilted world: Gravitational constraints influence the perception of biological motion

Pavlidou, A., Lange, J., & Ferrè, E. (2022). Human movements do not look the same in a tilted world: Gravitational constraints influence the perception of biological motion. European Journal of Neuroscience: European Neuroscience Association, 55(3), 800-805. doi:10.1111/ejn.15586.

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Pavlidou, A1, 2, Author              
Lange, J, Author
Ferrè, ER, Author
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Here we investigated whether gravitational constraints influence the interaction of visual, proprioceptive and vestibular cues for Biological Motion Perception (BMP). Participants were asked to distinguish between plausible and random point-light movements, while passively placed in either an upright or a tilted body orientation using a human 3D tilting table, leading to different gravitational signals transmitted by the visual, proprioceptive and vestibular systems. Participants were overall faster in distinguishing plausible point-light movements than random movements. Critically response times for biologically plausible point-light movements - but not for random movements - were significantly prolonged in the tilted body orientation. Our results suggest that BMP depends not only on the spatial-temporal cues embedded in a point-light movements dictated by gravity, but also rely on the congruency between current gravitational signals detected by the sensory systems and our previous knowledge of terrestrial gravity.

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 Dates: 2022-012022-02
 Publication Status: Published in print
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 Identifiers: DOI: 10.1111/ejn.15586
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Title: European Journal of Neuroscience : European Neuroscience Association
  Other : Eur. J. Neurosci
Source Genre: Journal
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Publ. Info: Oxford, UK : Published on behalf of the European Neuroscience Association by Oxford University Press
Pages: - Volume / Issue: 55 (3) Sequence Number: - Start / End Page: 800 - 805 Identifier: ISSN: 0953-816X
CoNE: https://pure.mpg.de/cone/journals/resource/954925575988