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  Hitting moving objects: Is target velocity used in guiding the hand?

Brouwer, A., Brenner, E., & Smeets, J. (2002). Hitting moving objects: Is target velocity used in guiding the hand? Experimental Brain Research, 143(2), 198-211. doi:10.1007/s00221-001-0980-x.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-E09E-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-438C-1
Genre: Journal Article

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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: We investigated what information subjects use when trying to hit moving targets. In particular, whether only visual information about the target's position is used to guide the hand to the place of interception or also information about its speed. Subjects hit targets that moved at different constant speeds and disappeared from view after varying amounts of time. This prevented the subjects from updating position information during the time that the target was invisible. Subjects hit further ahead of the disappearing point when the target moved faster, but not as much as they should have on the basis of the targets speed. This could be because more time is needed to perceive and use the correct speed than was available before the target disappeared. It could also be due to a speed-related misperception of the target's final position. The results of a second experiment were more consistent with the latter hypothesis. In a third experiment we moved the background to manipulate the perceived speed. This did not affect the hitting positions. We conclude that subjects respond only to the changing target position. Target speed influences the direction in which the hand moves indirectly, possibly via a speed-related misperception of position.

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 Dates: 2002-03
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: BibTex Citekey: 1904
DOI: 10.1007/s00221-001-0980-x
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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: 143 (2) Sequence Number: - Start / End Page: 198 - 211 Identifier: ISSN: 0014-4819
CoNE: https://pure.mpg.de/cone/journals/resource/954925398496