Specificity of learning in a video-aiming task: modifying the salience of dynamic visual cues |
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Authors: | Robin Christelle Toussaint Lucette Blandin Yannick Proteau Luc |
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Institution: | Laboratoire Performance, Motricité & Cognition, Poitiers, France. |
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Abstract: | The authors investigated whether the salience of dynamic visual information in a video-aiming task mediates the specificity of practice. Thirty participants practiced video-aiming movements in a full-vision, a weak-vision, or a target-only condition before being transferred to the target-only condition without knowledge of results. The full- and weak-vision conditions resulted in less endpoint bias and variability in acquisition than did the target-only condition. Going from acquisition to transfer resulted in a large increase in endpoint variability for the full-vision group but not for the weak-vision or target-only groups. Kinematic analysis revealed that weak dynamic visual cues do not mask the processing of other sources of afferent information; unlike strong visual cues, weak visual cues help individuals calibrate less salient sources of afferent information, such as proprioception. |
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