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The Multiple Process Model of Goal-Directed Reaching Revisited

Elliott, DE, Lyons, J, Hayes, SJ, Burkitt, JJ, Roberts, JW, Grierson, LEM, Hansen, S and Bennett, SJ (2017) The Multiple Process Model of Goal-Directed Reaching Revisited. Neuroscience and Biobehavioral Reviews, 72. pp. 95-110. ISSN 0149-7634

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Recently our group forwarded a model of speed-accuracy relations in goal-directed reaching. A fundamental feature of our multiple process model was the distinction between two types of online regulation: impulse control and limb-target control. Impulse control begins during the initial stages of the movement trajectory and involves a comparison of actual limb velocity and direction to an internal representation of expectations about the limb trajectory. Limb-target control involves discrete error-reduction based on the relative positions of the limb and the target late in the movement. Our model also considers the role of eye movements, practice, energy optimization and strategic behavior in limb control. Here, we review recent work conducted to test specific aspects of our model. As well, we consider research not fully incorporated into our earlier contribution. We conclude that a slightly modified and expanded version of our model, that includes crosstalk between the two forms of online regulation, does an excellent job of explaining speed, accuracy, and energy optimization in goal-directed reaching.

Item Type: Article
Uncontrolled Keywords: 11 Medical And Health Sciences, 17 Psychology And Cognitive Sciences
Subjects: R Medicine > RC Internal medicine > RC1200 Sports Medicine
Divisions: Sport & Exercise Sciences
Publisher: Elsevier
Date Deposited: 01 Mar 2017 10:23
Last Modified: 20 Apr 2022 09:08
DOI or ID number: 10.1016/j.neubiorev.2016.11.016
URI: https://researchonline.ljmu.ac.uk/id/eprint/5736

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