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Research Article

The Relative Dominance of Schemata in a Manual Tracking Task: Input Patterns, System Dynamics, and Movement Patterns

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Pages 204-214 | Published online: 14 Jul 2010
 

Abstract

As subjects repeatedly track the same spatiotemporal pattern, they learn to anticipate the pattern and thereby to reduce their effective time delay. The successive organization of perception hypothesis suggests that subjects progress from an error-nulling mode to a pursuit mode, in which they respond to the estimated instantaneous input pattern, and then to a precognitive mode, in which they rely on memory of the input pattern or movement pattern. We used a transfer of training experiment involving position and rate control systems to distinguish among these strategies by determining the relative dominance of schemata for the input pattern, system dynamics, and movement pattern. Results indicated that subjects relied on a memorized movement pattern, which is characteristic of the precognitive mode. Adaptations of this transfer methodology may be useful in testing other theories that postulate multiple schemata for the control of perceptual-motor behavior.

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