The efficacy of colour cues in facilitating adaptation to opposing visuomotor rotations

Mark R Hinder; Daniel G Woolley; James R Tresilian; Stephan Riek; Richard G Carson

doi:10.1007/s00221-008-1513-7

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The efficacy of colour cues in facilitating adaptation to opposing visuomotor rotations

Journal article

Peer reviewed

The efficacy of colour cues in facilitating adaptation to opposing visuomotor rotations

Mark R Hinder, Daniel G Woolley, James R Tresilian, Stephan Riek and Richard G Carson

Experimental Brain Research, Vol.191(2), pp.143-155

2008

DOI: https://doi.org/10.1007/s00221-008-1513-7

PMID: 18679663

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https://doi.org/10.1007/s00221-008-1513-7View

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Abstract

Cues

Visual Fields - physiology

Humans

Adaptation, Physiological - physiology

Male

Psychomotor Performance - physiology

Young Adult

Learning - physiology

Color Vision - physiology

Adult

Female

Rotation - adverse effects

Photic Stimulation

Motion Perception - physiology

We investigated visuomotor adaptation using an isometric, target-acquisition task. Following trials with no rotation, two participant groups were exposed to a random sequence of 30 degrees clockwise (CW) and 60 degrees counter-clockwise (CCW) rotations, with (DUAL-CUE), or without (DUAL-NO CUE), colour cues that enabled each environment (non-rotated, 30 degrees CW and 60 degrees CCW) to be identified. A further three groups experienced only 30 degrees CW trials or only 60 degrees CCW trials (SINGLE rotation groups) in which each visuomotor mapping was again associated with a colour cue. During training, all SINGLE groups reduced angular deviations of the cursor path during the initial portion of the movements, indicating feedforward adaptation. Consistent with the view that the adaptation occurred automatically via recalibration of the visuomotor mapping (Krakauer et al. 1999), post-training aftereffects were observed, despite colour cues that indicated that no rotation was present. For the DUAL-CUE group, angular deviations decreased with training in the 60 degrees trials, but were unchanged in the 30 degrees trials, while for the DUAL-NO CUE group angular deviations decreased for the 60 degrees CW trials but increased for the 30 degrees CW trials. These results suggest that in a dual adaptation paradigm a colour cue can permit delineation of the two environments, with a subsequent change in behaviour resulting in improved performance in at least one of these environments. Increased reaction times within the training block, together with the absence of aftereffects in the post-training period for the DUAL-CUE group suggest an explicit cue-dependent strategy was used in an attempt to compensate for the rotations.

Details

Title: The efficacy of colour cues in facilitating adaptation to opposing visuomotor rotations
Authors: Mark R Hinder (Author) - University of Queensland
Daniel G Woolley (Author) - University of Queensland
James R Tresilian (Author) - University of Queensland
Stephan Riek (Author) - University of Queensland
Richard G Carson (Author) - University of Queensland
Publication details: Experimental Brain Research, Vol.191(2), pp.143-155
Publisher: Springer
DOI: 10.1007/s00221-008-1513-7
ISSN: 1432-1106
PMID: 18679663
Organisation Unit: Graduate Research School; University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99472602202621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Neurosciences

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