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Monocular and binocular mechanisms in saccade generation

Published online by Cambridge University Press:  01 August 1999

Wu Zhou  and
W. M. King
Wu Zhou
Affiliation:
Departments of Neurology and Anatomy, University of Mississippi Medical Center, Jackson, MS 39216 {wuz; mike}@vor.umsmed.edu
W. M. King
Affiliation:
Departments of Neurology and Anatomy, University of Mississippi Medical Center, Jackson, MS 39216 {wuz; mike}@vor.umsmed.edu
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Abstract

The target article retains the traditional account of saccades as conjugate eye movements. However, recent single-unit recordings of premotor cells in the saccade pathway (excitatory burster neurons [EBNs]) found that they do not encode conjugate eye velocity, but rather, monocular eye velocity. These data argue against the traditional concept of saccades as inherently conjugate. Instead, they suggest a monocular mechanism in the sensorimotor transformation stage of saccade generation. This commentary will discuss the implications of these data for the saccade generation model proposed in Findlay & Walker's target article.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 22 , Issue 4 , August 1999 , pp. 704 - 705
Copyright
© 1999 Cambridge University Press

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