Making smooth moves

Terrence J. Sejnowski ()
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Terrence J. Sejnowski: Howard Hughes Medical Institute, The Salk Institute for Biological Studies

Nature, 1998, vol. 394, issue 6695, 725-726

Abstract: In making any movement (say, for instance, reaching for an object) our limbs usually take a smooth trajectory. That has been taken to mean that the body's motor system minimizes jerkiness. Instead, however, smoothness may be a by-product of a more fundamental computational goal of the motor system -- that of balancing speed and accuracy when activity-dependent ‘noise' in the neural control systems is taken into account.

Date: 1998
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DOI: 10.1038/29406

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