The contribution of visual feedback to visuomotor adaptation : how much and when?
Hinder, Mark R., Tresilian, James, Riek, Stephan and Carson, Richard G.. (2008) The contribution of visual feedback to visuomotor adaptation : how much and when? Brain Research, Volume 1197 . pp. 123-134. ISSN 0006-8993Full text not available from this repository.
Official URL: http://dx.doi.org/10.1016/j.brainres.2007.12.067
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:||B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
|Divisions:||Faculty of Science > Psychology|
|Library of Congress Subject Headings (LCSH):||Adaptability (Psychology), Feedback (Psychology), Context effects (Psychology), Movement, Psychology of, Perceptual-motor processes|
|Journal or Publication Title:||Brain Research|
|Publisher:||Elsevier Science BV|
|Date:||4 March 2008|
|Number of Pages:||12|
|Page Range:||pp. 123-134|
|Access rights to Published version:||Restricted or Subscription Access|
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