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Supplementary eye field: influence of eye position on neural signals of fixation

โœ Scribed by J. Schlag; M. Schlag-Rey; I. Pigarev

Book ID
104672549
Publisher
Springer-Verlag
Year
1992
Tongue
English
Weight
538 KB
Volume
90
Category
Article
ISSN
0014-4819

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โœฆ Synopsis

Single units were recorded in the supplementary eye field of monkeys performing visual-oculomotor tasks. Two patterns of unit activity were observed while the animals fixated photic stimuli. One consisted of a step in tonic firing frequency (either an increase or a decrease, depending on the cell), lasting as long as fixation. The occurrence of this pattern did not require the continuous presence of a stimulus but the animal had to be provided with an incentive to fixate a given location. The other pattern was a monotonically varying firing rate dependent on the eye orientation along a particular axis, indicative of eye eccentricity in orbit.

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