Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/20241
Appears in Collections:Psychology Journal Articles
Peer Review Status: Refereed
Title: The Magic Grasp: Motor Expertise in Deception
Authors: Cavina-Pratesi, Cristiana
Kuhn, Gustav
Ietswaart, Magdalena
Milner, A David
Contact Email: magdalena.ietswaart@stir.ac.uk
Issue Date: 9-Feb-2011
Publisher: Public Library of Science
Citation: Cavina-Pratesi C, Kuhn G, Ietswaart M & Milner AD (2011) The Magic Grasp: Motor Expertise in Deception, PLoS ONE, 6 (2), Art. No.: e16568.
Abstract: Background: Most of us are poor at faking actions. Kinematic studies have shown that when pretending to pick up imagined objects (pantomimed actions), we move and shape our hands quite differently from when grasping real ones. These differences between real and pantomimed actions have been linked to separate brain pathways specialized for different kinds of visuomotor guidance. Yet professional magicians regularly use pantomimed actions to deceive audiences. Methodology and Principal Findings: In this study, we tested whether, despite their skill, magicians might still show kinematic differences between grasping actions made toward real versus imagined objects. We found that their pantomimed actions in fact closely resembled real grasps when the object was visible (but displaced) (Experiment 1), but failed to do so when the object was absent (Experiment 2). Conclusions and Significance: We suggest that although the occipito-parietal visuomotor system in the dorsal stream is designed to guide goal-directed actions, prolonged practice may enable it to calibrate actions based on visual inputs displaced from the action.
Type: Journal Article
URI: http://hdl.handle.net/1893/20241
DOI Link: http://dx.doi.org/10.1371/journal.pone.0016568
Rights: Copyright 2011 Cavina-Pratesi et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Affiliation: Durham University
Brunel University
Psychology
Durham University

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