An event-related visual occlusion method for examining anticipation in natural interceptive tasks

Mann, David L., Abernethy, Bruce, Farrow, Damian, Davis, Mark and Spratford, Wayne (2010) An event-related visual occlusion method for examining anticipation in natural interceptive tasks. Behavior Research Methods, 42 2: 556-562. doi:10.3758/BRM.42.2.556


Author Mann, David L.
Abernethy, Bruce
Farrow, Damian
Davis, Mark
Spratford, Wayne
Title An event-related visual occlusion method for examining anticipation in natural interceptive tasks
Journal name Behavior Research Methods   Check publisher's open access policy
ISSN 1554-351X
1554-3528
Publication date 2010-05
Year available 2010
Sub-type Article (original research)
DOI 10.3758/BRM.42.2.556
Volume 42
Issue 2
Start page 556
End page 562
Total pages 7
Place of publication Austin, Texas, U.S.A.
Publisher Psychonomic Society
Collection year 2011
Language eng
Abstract This article describes a new automated method for the controlled occlusion of vision during natural tasks. The method permits the time course of the presence or absence of visual information to be linked to identifiable events within the task of interest. An example application is presented in which the method is used to examine the ability of cricket batsmen to pick up useful information from the prerelease movement patterns of the opposing bowler. Two key events, separated by a consistent within-action time lag, were identified in the cricket bowling action sequence-namely, the penultimate foot strike prior to ball release (Event 1), and the subsequent moment of ball release (Event 2). Force-plate registration of Event 1 was then used as a trigger to facilitate automated occlusion of vision using liquid crystal occlusion goggles at time points relative to Event 2. Validation demonstrated that, compared with existing approaches that are based on manual triggering, this method of occlusion permitted considerable gains in temporal precision and a reduction in the number of unusable trials. A more efficient and accurate protocol to examine anticipation is produced, while preserving the important natural coupling between perception and action. © 2010 The Psychonomic Society, Inc.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
School of Human Movement and Nutrition Sciences Publications
 
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Created: Fri, 21 Jan 2011, 14:36:13 EST by Deborah Noon on behalf of School of Human Movement and Nutrition Sciences