The Generalised Optic Acceleration Cancellation theory of catching

McLeod, Peter, Reed, Nick and Dienes, Zoltan (2006) The Generalised Optic Acceleration Cancellation theory of catching. Journal of Experimental Psychology: Human Perception and Performance, 32 (1). pp. 139-148. ISSN 0096-1523

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Abstract

The generalized optic acceleration cancellation (GOAC) theory of catching proposes that the path of a fielder running to catch a ball is determined by the attempt to satisfy 2 independent constraints. The 1st is to keep the angle of elevation of gaze to the ball increasing at a decreasing rate. The 2nd is to control the rate of horizontal rotation necessary to maintain fixation on the ball. Depending on the lateral velocity of the ball relative to the fielder, this rate may be zero or constant at a negative or positive value. The authors show that a simulated fielder implementing the GOAC strategy follows a path indistinguishable from that of real fielders running to catch balls thrown on the same trajectories.

Item Type: Article
Schools and Departments: School of Psychology > Psychology
Depositing User: Zoltan Dienes
Date Deposited: 06 Feb 2012 15:30
Last Modified: 03 May 2012 09:17
URI: http://sro.sussex.ac.uk/id/eprint/13005
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