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The Primate Vestibulo-ocular Reflex During Combined Linear and Angular Head Motion by E. W. Sargent; G. D. Paige is a Neuroscience article available to read on EtoBox.

What is The Primate Vestibulo-ocular Reflex During Combined Linear and Angular Head Motion about?

The squirrel monkey vestibulo-ocular reflex (VOR) was studied in darkness during Earth-horizontal rotation over a frequency range, 0.01-4 Hz, with the head positioned both centrally and displaced radially relative to the axis of rotation. With the head centered, the canal-mediated angular VOR (AVOR) was recorded in isolation. However, with the head placed eccentrically, otolith-mediated linear VOR (LVOR) components interact with the AVOR to yield a combined AVOR-LVOR response. The plane of the ocular response could be manipulated by placing the head in different orientations relative to gravity (i.e. upright or nose-up). When the head was upright and centered, the horizontal AVOR was recorded. Comparisons between eye and head angular velocity showed that gain (pk eye/pk head velocity) was nearly flat, averaging 0.83, across the frequency range. Phase (difference in degrees between eye and head velocity, shifted 180 degrees by convention) was near 0 degrees, except at frequencies below 0.1 Hz where phase leads were seen. When the head was displaced eccentrically and in the nose-out position (facing away from the axis of rotation), gain rose above that of the AVOR alone. The enhancem

Who reads The Primate Vestibulo-ocular Reflex During Combined Linear and Angular Head Motion?

Author

E. W. Sargent; G. D. Paige

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0014-4819)

Published

1991

Language

EN

Field

Neuroscience (Life Sciences)