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The Multiple Process Model of Goal-Directed Aiming/Reaching: Insights on Limb Control from Various Special Populations

Elliott, D, Lyons, J, Hayes, S, Burkitt, J, Hansen, S, Grierson, L, Foster, NC, Roberts, JW and Bennett, SJ (2020) The Multiple Process Model of Goal-Directed Aiming/Reaching: Insights on Limb Control from Various Special Populations. Experimental Brain Research, 238. pp. 2685-2699. ISSN 0014-4819

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Several years ago, our research group forwarded a model of goal-directed reaching and aiming that describes the processes involved in the optimization of speed, accuracy, and energy expenditure (Elliott et al. 2010). One of the main features of the model is the distinction between early impulse control, which is based on a comparison of expected to perceived sensory consequences, and late limb-target control that involves a spatial comparison of limb and target position. Our model also emphasizes the importance of strategic behaviors that limit the opportunity for worst-case or inefficient outcomes. In the 2010 paper, we included a section on how our model can be used to understand atypical aiming/reaching movements in a number of special populations. In light of a recent empirical and theoretical update of our model (Elliott et al. 2017), here we consider contemporary motor control work involving typical aging, Down syndrome, autism spectrum disorder, and tetraplegia with tendon transfer surgery. We outline how atypical limb control can be viewed within the context of the multiple process model of goal-directed reaching and aiming, and discuss the underlying perceptual-motor impairment that results in the adaptive solution developed by the specific group.

Item Type: Article
Additional Information: This is a post-peer-review, pre-copyedit version of an article published in Experimental Brain Research. The final authenticated version is available online at: https://doi.org/10.1007/s00221-020-05952-2
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: Springer (part of Springer Nature)
Date Deposited: 19 Aug 2020 11:24
Last Modified: 11 Jan 2022 16:45
DOI or ID number: 10.1007/s00221-020-05952-2
URI: https://researchonline.ljmu.ac.uk/id/eprint/13520
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