Motor Control Strategies in a Continuous Task Space

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Previous studies on sequential effects of human grasping behavior were restricted to binary grasp type selection. We asked whether two established motor control strategies, the end-state comfort effect and the hysteresis effect, would hold for sequential motor tasks with continuous solutions. To this end, participants were tested in a sequential (predictable) and a randomized (nonpredictable) perceptual-motor task, which offered a continuous range of posture solutions for each movement trial. Both the end-state comfort effect and the hysteresis effect were reproduced under predictable, continuous conditions, but only the end-state comfort effect was present under nonpredictable conditions. Experimental results further revealed a work range restriction effect, which was reproduced for the dominant and the nondominant hand.
OriginalspracheEnglisch
ZeitschriftMotor Control
Jahrgang15
Heft3
Seiten (von - bis)321-341
ISSN1087-1640
PublikationsstatusVeröffentlicht - 07.2011

ID: 1435268

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