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Hand movements respond to any motion near the endpoint

Crowe, Emily M.; Smeets, Jeroen B. J.; Brenner, Eli

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Authors

EMILY CROWE Emily.Crowe@nottingham.ac.uk
Leverhulme Trust Early Career Fellowship

Jeroen B. J. Smeets

Eli Brenner



Abstract

Hand movements are pulled in the direction of motion near their planned endpoints. Is this an automatic response to motion signals near those positions, or do we consider what is moving? To find out, we asked participants to hit a target that moved rightward across a patterned surface when it reached an interception zone that was indicated by a circle. The circle was initially at the center of a square. The square was either filled, occluding the patterned surface (tile), or open, such that the patterned surface was not occluded (frame). The square briefly moved leftward or rightward shortly after the target appeared. Thus, participants were either aiming to hit the target on the surface that moved (the tile) or to hit the target on the patterned surface that did not move. Moving the two types of squares produced very similar local motion signals, but for the tile this could be interpreted as motion of an extended surface, while for the frame it could not. Motion onset of the two types of squares yielded very similar responses. Increasing the size of the square, and thus the eccentricity of the local motion signal, reduced the magnitude of the response. Since this reduction was seen for both types of squares, the surface on which the interception zone was presented was clearly not considered. We conclude that the response is driven by local motion signals near the endpoint of the action without considering whether the local surface is moving.

Citation

Crowe, E. M., Smeets, J. B. J., & Brenner, E. (2022). Hand movements respond to any motion near the endpoint. Attention, Perception, and Psychophysics, 84(6), 1820-1825. https://doi.org/10.3758/s13414-022-02471-w

Journal Article Type Article
Acceptance Date Feb 26, 2022
Online Publication Date Mar 25, 2022
Publication Date 2022-08
Deposit Date Sep 1, 2023
Publicly Available Date Sep 7, 2023
Journal Attention, Perception, & Psychophysics
Print ISSN 1943-3921
Electronic ISSN 1943-393X
Publisher Springer Verlag
Peer Reviewed Peer Reviewed
Volume 84
Issue 6
Pages 1820-1825
DOI https://doi.org/10.3758/s13414-022-02471-w
Keywords Linguistics and Language; Sensory Systems; Language and Linguistics; Experimental and Cognitive Psychology
Public URL https://nottingham-repository.worktribe.com/output/23220400
Publisher URL https://link.springer.com/article/10.3758/s13414-022-02471-w
Additional Information Ethical approval was obtained from the Ethics Committee of the Vrije Universiteit Amsterdam.; : Informed consent was obtained from all participants included in the study.; : Not applicable.; : The authors declare that they have no competing interests.

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