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Volume 15 No 3 (2017)
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Spatial Information is Exploited to Adjust Hand Movement When Hitting Moving Target
Rixin Tang, Zhijun Zhang , Yuli Liu , Zhipeng Wang
Abstract
When hitting a moving target, hand movement has to be adjusted according to online information. But it is not clear
whether other information would be the used if temporal information has been provided to direct the interception
action of hand. This study investigated how the kinematics of interception movement were affected by moving target
in different conditions. Three kinds of targets including stationary, uniform motion and accelerated motion were hit
by participants. The result reveals that although three tasks are performed within the same time, the hand
movements are significantly different. This suggests that in addition to temporal information, spatial information
also plays an important role in the motor control during interception.
Keywords
Interception, Time to Contact, Spatial Information, Temporal Information
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