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The contribution of visual feedback to visuomotor adaptation : how much and when?
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Hinder, Mark R., Tresilian, James R., Riek, Stephan and Carson, Richard G.. (2008) The contribution of visual feedback to visuomotor adaptation : how much and when? Brain Research, Vol.1197 . pp. 123-134. ISSN 0006-8993
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Official URL: http://dx.doi.org/10.1016/j.brainres.2007.12.067
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 degrees 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. (C) 2008 Elsevier B.V. All rights reserved.
| Item Type: | Journal Article |
|---|---|
| Subjects: | R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry |
| Divisions: | Faculty of Science > Psychology |
| Journal or Publication Title: | Brain Research |
| Publisher: | Elsevier Science BV |
| ISSN: | 0006-8993 |
| Date: | 4 March 2008 |
| Volume: | Vol.1197 |
| Number of Pages: | 12 |
| Page Range: | pp. 123-134 |
| Identification Number: | 10.1016/j.brainres.2007.12.067 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| URI: | http://wrap.warwick.ac.uk/id/eprint/30435 |
Data sourced from Thomson Reuters' Web of Knowledge
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