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Preparation and inhibition of interceptive actions

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Marinovic, Welber, Plooy, Annaliese M. and Tresilian, James R.. (2009) Preparation and inhibition of interceptive actions. Experimental Brain Research, Vol.197 (No.4). pp. 311-319. ISSN 0014-4819

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Abstract

Two experiments aimed to provide an estimate of the last moment at which visual information needs to be obtained in order for it to be used to initiate execution of an interceptive movement or to withhold execution of such a movement. In experiment 1, we sought to estimate the minimum time required to suppress the movement when the participants were first asked to intercept a moving target. In experiment 2, we sought to determine the minimum time required to initiate an interceptive movement when the participants were initially asked to keep stationary. Participants were trained to hit moving targets using movements of a pre-specified duration. This permitted an estimate of movement onset (MO) time. In both experiments the requirement to switch from one prepared course of action to the other was indicated by changing the colour of the moving target at times prior to the estimated MO. The results of the experiments showed that the decision to execute or suppress the interception must be made no less than about 200 ms before MO.

Item Type: Journal Article
Subjects: R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Divisions: Faculty of Science > Psychology
Journal or Publication Title: Experimental Brain Research
Publisher: Springer
ISSN: 0014-4819
Official Date: August 2009
Volume: Vol.197
Number: No.4
Number of Pages: 9
Page Range: pp. 311-319
Identification Number: 10.1007/s00221-009-1916-0
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: CAPES, Australian Research Council
URI: http://wrap.warwick.ac.uk/id/eprint/17530

Data sourced from Thomson Reuters' Web of Knowledge

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