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  Hitting moving objects: The dependency of hand velocity on the speed of the target.

Brouwer, A., Brenner, E., & Smeets, J. (2000). Hitting moving objects: The dependency of hand velocity on the speed of the target. Experimental Brain Research, 133(2), 242-248. doi:10.1007/s002210000371.

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Brouwer, A1, Author              
Brenner, E, Author              
Smeets, JBJ, Author
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1External Organizations, ou_persistent22              

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 Abstract: In previous studies, subjects did not hit slowly moving objects as quickly as fast ones, despite being instructed to hit them all as quickly as possible. In those studies the targets moved at constant but unpredictable velocities. Brenner and Smeets (1996) suggested that subjects were unable to adjust the hand's path to suit the velocity of the target. To compensate for this, they adjusted the speed of their hand to that of the target (speed coupling). According to this hypothesis, speed coupling is only necessary when subjects are unable to correctly predict the next target velocity, and only if they have to be accurate. We here show that decreasing the uncertainty about the up-coming targets velocity or enlarging the tip of the hitting-weapon does not make speed coupling disappear. Moreover, there is a negative correlation between hand velocity and strength of speed coupling, whereas the hypothesis predicts a positive correlation. The hypothesis is therefore rejected. We propose that speed coupling is a result of different speed accuracy tradeoffs applying to different target velocities.

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 Dates: 2000
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: 1903
DOI: 10.1007/s002210000371
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Title: Experimental Brain Research
  Other : Exp. Brain Res.
Source Genre: Journal
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Publ. Info: Heidelberg : Springer-Verlag
Pages: - Volume / Issue: 133 (2) Sequence Number: - Start / End Page: 242 - 248 Identifier: ISSN: 0014-4819
CoNE: https://pure.mpg.de/cone/journals/resource/954925398496