Sequential Aiming with Two Limbs and the One-Target Advantage

Movement times to the first target in a 2-target sequence are typically slower than in 1-target aiming tasks. The 1-target movement time advantage has been shown to emerge regardless of hand preference, the hand used, the amount of practice, and the availability of visual feedback. The authors teste...

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Bibliographic Details
Published in:Journal of motor behavior 2010-09, Vol.42 (5), p.325-330
Main Authors: Khan, Michael A., Mottram, Thomas M., Adam, Jos J., Buckolz, Eric
Format: Article
Language:English
Subjects:
Accuracy
Adolescent
Adult
Extremities - physiology
Feedback (Response)
Female
Handedness
Humans
Male
Motor ability
Movement
online control processes
Programming
Psychomotor Performance - physiology
rapid aiming movements
Reaction Time
response complexity
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Summary:Movement times to the first target in a 2-target sequence are typically slower than in 1-target aiming tasks. The 1-target movement time advantage has been shown to emerge regardless of hand preference, the hand used, the amount of practice, and the availability of visual feedback. The authors tested central and peripheral explanations of the 1-target advantage, as postulated by the movement integration hypothesis, by asking participants to perform single-target movements, 2-target movements with 1 limb, and 2-target movements in which they switched limbs at the first target. Reaction time and movement time data showed a 1-target advantage that was similar for both 1- and 2-limb sequential aiming movements. This outcome demonstrates that the processes underlying the increase in movement time to the 1st target in 2-target sequences are not specific to the limb, suggesting that the 1-target advantage originates at a central rather than a peripheral level.
ISSN:0022-2895
1940-1027
DOI:10.1080/00222895.2010.510544