Journal
JOURNAL OF MOTOR BEHAVIOR
Volume 45, Issue 2, Pages 91-99Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/00222895.2012.747483
Keywords
goal-directed; online control; pointing; vision
Funding
- Natural Sciences and Engineering Research Council of Canada
- Canada Foundation for Innovation
- Ontario Research Fund
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Recently, D. Elliott etal. (2010) asserted that the current control phase of a movement could be segregated in multiple processes, including impulse and limb-target regulation processes. The authors aimed to provide further empirical evidence and determine some of the constraints that govern these visuomotor processes. In 2 experiments, vision was presented or withdrawn when limb velocity was above or below selected velocity criteria. The authors observed that vision provided between 0.8 and 0.9m/s significantly improved impulse regulation processes while vision provided up to 1.1m/s significantly increased limb-target regulation processes. These results lend support to D. Elliott etal. and provide evidence that impulse regulation and limb-target regulation can take place at different velocities during a movement.
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