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The Impact of Strategic Trajectory Optimization on Illusory Target Biases During Goal-Directed Aiming

Roberts, JW, Burkitt, JJ, Elliott, D and Lyons, JL (2016) The Impact of Strategic Trajectory Optimization on Illusory Target Biases During Goal-Directed Aiming. Journal of Motor Behavior, 48 (6). pp. 542-551. ISSN 0022-2895

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Abstract

During rapid aiming, movements are planned and executed to avoid worst-case outcomes that require time and energy to correct. As such, downward movements initially undershoot the target to avoid corrections against gravity. Illusory target context can also impact aiming bias. Here, the authors sought to determine how strategic biases mediate illusory biases. Participants aimed to Müller-Lyer figures in different directions (forward, backward, up, down). Downward biases emerged late in the movement and illusory biases emerged from peak velocity. The illusory effects were greater for downward movements at terminal endpoint. These results indicate that strategic biases interact with the limb-target control processes associated with illusory biases. Thus, multiple control processes during rapid aiming may combine and later affect endpoint accuracy (D. Elliott et al., 2010).

Item Type: Article
Additional Information: his is an Accepted Manuscript of an article published by Taylor & Francis in Journal of Motor Behavior on 30/06/2016, available online: http://www.tandfonline.com/10.1080/00222895.2016.1161588
Uncontrolled Keywords: 1106 Human Movement and Sports Sciences, 1702 Cognitive Sciences
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC1200 Sports Medicine
Divisions: Sports & Exercise Sciences
Publisher: Taylor & Francis
Related URLs:
Date Deposited: 28 Jan 2020 13:00
Last Modified: 28 Jan 2020 13:00
DOI or Identification number: 10.1080/00222895.2016.1161588
URI: http://researchonline.ljmu.ac.uk/id/eprint/12120

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