 |
| Research article summary (published 30 May 2003): |
Guiding movements with internal representations: a reach-and-grasp task.
Full Abstract
We investigated participants' ability to use internal representations of the environment to guide prehensile movements, when visual feedback was not available. Reaching and grasping performed with concurrent visual feedback was compared to conditions in which participants actively formed spatial images and passively encoded images from visual presented information. Movement times, the proportion of time spent after peak velocity and peak apertures, were greater when concurrent visual feedback was unavailable. Movement times increased as a function of premovement occlusion length, with passively encoded images resulting in shorter movement durations than actively formed images. The findings indicated that participants adapted their movement trajectories to compensate for the degradation of stored spatial information, when concurrent visual feedback was not available.
Learn Faster Today Improve your study skills
Author information
Author/s: Fourkas, Alissa D (AD); Marteniuk, Ronald G (RG); Khan, Michael A (MA);
Affiliation: School of Kinesiology, Simon Fraser University. alissa.fourkas@uniroma1.it
Journal and publication information
Publication Type: Clinical Trial; Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
Journal: Research quarterly for exercise and sport (Res Q Exerc Sport), published in United States. (Language: eng)
Reference: 2003-Jun; vol 74 (issue 2) : pp 165-72
Dates: Created 2003/07/09; Completed 2003/09/09; Revised 2006/11/15;
PMID: 12848229, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
External Links for this article (including full text providers, if available):
Click Electronic Full-text Provider Links to see options for finding the electronic full text links to this article. Note there may be a subscription or fee required for access to the full text. See our FAQ for information on finding FREE full text articles.
This article may also be located in paper journal collections available in many libraries. Use the Journal and Publication Information above to find the full article.
MeSH headings (categories)
This article was linked to the MESH Headings shown below.
|
|
Related articles
This article has not been indexed for related articles as yet, however you can still use the live related article search links below.
See a large map of 100+ related articles.