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Hitting moving targets Continuous control of the acceleration of the hand on the basis of the target’s velocity

Continuous control of the acceleration of the hand on the basis of the target’s velocity

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Abstract 

Previous studies on how we hit moving targets have revealed that the direction in which we move our hand is continuously adjusted on the basis of the target’s perceived position, with a delay of about 110 ms. In the present study we show that the acceleration of the hand is also under such continuous control. Subjects were instructed to hit moving targets (running spiders) as quickly as possible with a rod. We found that changing the velocity of the target influenced the speed with which the rod was moved. The influence was noticeable about 200 ms after the target’s velocity changed. The extent of the influence was consistent with a direct dependence of the acceleration of the hand on the target’s velocity. We conclude that the acceleration of the hand is continuously adjusted on the basis of the speed of the target, with a delay of about 200 ms.

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Received: 5 January 1998 / Accepted: 12 May 1998

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Brenner, E., Smeets, J. & de Lussanet, M. Hitting moving targets Continuous control of the acceleration of the hand on the basis of the target’s velocity. Exp Brain Res 122, 467–474 (1998). https://doi.org/10.1007/s002210050535

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  • DOI: https://doi.org/10.1007/s002210050535

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