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

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Title: The Impact of Strategic Trajectory Optimization on Illusory Target Biases During Goal-Directed Aiming.
Authors: Roberts, James W. (AUTHOR), Burkitt, James J. (AUTHOR), Elliott, Digby (AUTHOR), Lyons, James L. (AUTHOR)
Source: Journal of Motor Behavior. Nov/Dec2016, Vol. 48 Issue 6, p542-551. 10p. 2 Diagrams, 2 Charts, 2 Graphs.
Subjects: Trajectory optimization, Aerodynamics, Accuracy, Velocity, Illusion (Philosophy)
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 ). [ABSTRACT FROM AUTHOR]
Copyright of Journal of Motor Behavior is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Label: Title
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  Data: The Impact of Strategic Trajectory Optimization on Illusory Target Biases During Goal-Directed Aiming.
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  Data: <searchLink fieldCode="AR" term="%22Roberts%2C+James+W%2E%22">Roberts, James W.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Burkitt%2C+James+J%2E%22">Burkitt, James J.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Elliott%2C+Digby%22">Elliott, Digby</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lyons%2C+James+L%2E%22">Lyons, James L.</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Motor+Behavior%22">Journal of Motor Behavior</searchLink>. Nov/Dec2016, Vol. 48 Issue 6, p542-551. 10p. 2 Diagrams, 2 Charts, 2 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Trajectory+optimization%22">Trajectory optimization</searchLink><br /><searchLink fieldCode="DE" term="%22Aerodynamics%22">Aerodynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Accuracy%22">Accuracy</searchLink><br /><searchLink fieldCode="DE" term="%22Velocity%22">Velocity</searchLink><br /><searchLink fieldCode="DE" term="%22Illusion+%28Philosophy%29%22">Illusion (Philosophy)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: 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 ). [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Motor Behavior is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1080/00222895.2016.1161588
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 542
    Subjects:
      – SubjectFull: Trajectory optimization
        Type: general
      – SubjectFull: Aerodynamics
        Type: general
      – SubjectFull: Accuracy
        Type: general
      – SubjectFull: Velocity
        Type: general
      – SubjectFull: Illusion (Philosophy)
        Type: general
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      – TitleFull: The Impact of Strategic Trajectory Optimization on Illusory Target Biases During Goal-Directed Aiming.
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            NameFull: Elliott, Digby
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            – D: 01
              M: 11
              Text: Nov/Dec2016
              Type: published
              Y: 2016
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              Value: 48
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            – TitleFull: Journal of Motor Behavior
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