Abstract：
:Prehensile behavior is a popular task in current research on human motor control. Most studies on reaching used stationary target objects and, therefore, most models do not address the challenges the motor system must respond to when reaching for moving objects. The machines used in earlier studies to produce object motion offered a limited range of trajectories and restricted control over various movement parameters. We have developed a device that allows a great variety of object trajectories along a flat-table surface and gives the experimenter full control over all movement parameters. A linear positioning system is used to move a sled beneath the table surface. Magnetic coupling transfers the sled's movement to the target object on the tabletop. This arrangement allows fast movements of the object (up to 5 m/s) and at the same time protects subjects from any harm due to the moving parts. The system is connected to LC shutter glasses, a 3-D movement registration device, and a switch that detects the onset of hand motion. This allows the selective withdrawal of vision during the reaching task or the introduction of changes in the object motion depending on the subject's reactions.
journal_name
J Neurosci Methodsjournal_title
Journal of neuroscience methodsauthors
Schenk T,Philipp J,Häussler A,Hauck A,Hermsdörfer J,Mai Ndoi
10.1016/s0165-0270(00)00222-3subject
Has Abstractpub_date
2000-07-31 00:00:00pages
3-12issue
1-2eissn
0165-0270issn
1872-678Xpii
S0165027000002223journal_volume
100pub_type
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