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Eye-Hand Coordination in Rhythmical Pointing

Abstract : The authors investigated the relation between hand kinematics and eye movements in 2 variants of a rhythmical Fitts's task in which eye movements were necessary or not necessary. P. M. Fitts's (1954) law held in both conditions with similar slope and marginal differences in hand-kinematic patterns and movement continuity. Movement continuity and eye-hand synchronization were more directly related to movement time than to task index of difficulty. When movement time was decreased to fewer than 350 ms, eye-hand synchronization switched from continuous monitoring to intermittent control. The 1:1 frequency ratio with stable pi/6 relative phase changed for 1:3 and 1:5 frequency ratios with less stable phase relations. The authors Conclude that eye and hand movements in a rhythmical Fitts's task are dynamically synchronized to produce the best behavioral performance.
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https://hal.archives-ouvertes.fr/hal-01436030
Contributor : Jean-Louis Vercher <>
Submitted on : Monday, January 16, 2017 - 10:18:57 AM
Last modification on : Friday, January 15, 2021 - 3:10:06 AM

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  • HAL Id : hal-01436030, version 1

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Stefano Lazzari, Denis Mottet, Jean-Louis Vercher. Eye-Hand Coordination in Rhythmical Pointing. Journal of Motor Behavior, Taylor & Francis (Routledge), 2009, 41 (4), pp.294-304. ⟨hal-01436030⟩

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