| The continuous end-state comfort effect: weighted integration of multiple biases. | |
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MedLine Citation:
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PMID: 21499901 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The grasp orientation when grasping an object is frequently aligned in anticipation of the intended rotation of the object (end-state comfort effect). We analyzed grasp orientation selection in a continuous task to determine the mechanisms underlying the end-state comfort effect. Participants had to grasp a box by a circular handle-which allowed for arbitrary grasp orientations-and then had to rotate the box by various angles. Experiments 1 and 2 revealed both that the rotation's direction considerably determined grasp orientations and that end-postures varied considerably. Experiments 3 and 4 further showed that visual stimuli and initial arm postures biased grasp orientations if the intended rotation could be easily achieved. The data show that end-state comfort but also other factors determine grasp orientation selection. A simple mechanism that integrates multiple weighted biases can account for the data. |
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Authors:
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Oliver Herbort; Martin V Butz |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-4-17 |
Journal Detail:
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Title: Psychological research Volume: - ISSN: 1430-2772 ISO Abbreviation: - Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-4-18 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0435062 Medline TA: Psychol Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Psychology, University of Würzburg, Röntgenring 11, 97070, Würzburg, Germany, oliver.herbort@psychologie.uni-wuerzburg.de. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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