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| Research article summary (published 23 Apr 2002): |
Dynamic and predictive links between touch and vision.
Full Abstract
We investigated crossmodal links between vision and touch for moving objects. In experiment 1, observers discriminated visual targets presented randomly at one of five locations on their forearm. Tactile pulses simulating motion along the forearm preceded visual targets. At short tactile-visual ISIs, discriminations were more rapid when the final tactile pulse and visual target were at the same location. At longer ISIs, discriminations were more rapid when the visual target was offset in the motion direction and were slower for offsets opposite to the motion direction. In experiment 2, speeded tactile discriminations at one of three random locations on the forearm were preceded by a visually simulated approaching object. Discriminations were more rapid when the object approached the location of the tactile stimulation and discrimination performance was dependent on the approaching object's time to contact. These results demonstrate dynamic links in the spatial mapping between vision and touch.
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Author information
Author/s: Gray, Rob (R); Tan, Hong Z (HZ);
Affiliation: Cambridge Basic Research, Nissan Technical Center North America Inc., Cambridge, MA 02142, USA. robgray(-atsign-)asu.edu
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.
Journal: Experimental brain research. Experimentelle Hirnforschung. Expérimentation cérébrale (Exp Brain Res), published in Germany. (Language: eng)
Reference: 2002-Jul; vol 145 (issue 1) : pp 50-5
Dates: Created 2002/06/18; Completed 2002/09/10; Revised 2008/02/15;
PMID: 12070744, 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.
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