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Eye-movements support chronometric imagery performance even when the task is occluded

Wakefield, C, Roberts, J and Wood, G Eye-movements support chronometric imagery performance even when the task is occluded. Visual Cognition. ISSN 1350-6285 (Accepted)

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Abstract

Mental chronometry has often been used to provide a temporal comparison between executed and imagined movements, with smaller discrepancies indicating more accurate image production and better imagery performance. In this study, we examined the importance of retinal and extra-retinal information in the performance of simple, sequential movements. After physical practice of four activities of daily living (Southampton Hand Assessment Procedure), nineteen participants imagined completing the same tasks with: 1)free eye-movements and visible objects, 2)free eye-movements and no visibility of the objects and 3)constrained eye-movements and visible objects. Results suggested imagery performance was slower/less accurate compared to physical execution, when the eyes were constrained. Conversely, chronometric imagery performance was unaffected with free eye movements, even when task-specific visual information was occluded. This study highlights the crucial role that eye-movements play in the regulation of the temporal aspects of imagery even when retinal information is absent, suggesting that temporal sequencing of imagined actions is largely dependent on extra-retinal information sources.

Item Type: Article
Uncontrolled Keywords: 1701 Psychology, 1702 Cognitive Sciences
Subjects: R Medicine > RC Internal medicine > RC1200 Sports Medicine
Divisions: Sports & Exercise Sciences
Publisher: Taylor & Francis
Date Deposited: 25 Jun 2020 11:14
Last Modified: 25 Jun 2020 11:15
URI: http://researchonline.ljmu.ac.uk/id/eprint/13182

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