Journal article
The contribution of visual feedback to visuomotor adaptation: How much and when?
Brain Research, Vol.1197, pp.123-134
2008
PMID: 18241844
Abstract
We investigated the role of visual feedback in adapting to novel visuomotor environments. Participants produced isometric elbow torques to move a cursor towards visual targets. Following trials with no rotation, participants adapted to a 60° rotation of the visual feedback before returning to the non-rotated condition. Participants received continuous visual feedback (CF) of cursor position during task execution or post-trial visual feedback (PF). With training, reductions of the angular deviations of the cursor path occurred to a similar extent and at a similar rate for CF and PF groups. However, upon re-exposure to the non-rotated environment only CF participants exhibited post-training aftereffects, manifested as increased angular deviation of the cursor path, with respect to the pre-rotation trials. These aftereffects occurred despite colour cues permitting identification of the change in environment. The results show that concurrent feedback permits automatic recalibration of the visuomotor mapping while post-trial feedback permits performance improvement via a cognitive strategy.
Details
- Title
- The contribution of visual feedback to visuomotor adaptation: How much and when?
- Authors
- Mark R Hinder (Author) - University of QueenslandJames R Tresilian (Author) - University of QueenslandStephan Riek (Author) - University of QueenslandRichard G Carson (Author) - University of Queensland
- Publication details
- Brain Research, Vol.1197, pp.123-134
- Publisher
- Elsevier B.V
- DOI
- 10.1016/j.brainres.2007.12.067
- ISSN
- 1872-6240
- PMID
- 18241844
- Organisation Unit
- Graduate Research School; University of the Sunshine Coast, Queensland
- Language
- English
- Record Identifier
- 99472602302621
- Output Type
- Journal article
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