Grating and plaid chrominance motion influences the suppressed ocular following response.

Abstract:

:Involuntary eye movements to foveal stimulation were measured in a monkey while it performed a fixation task. Second-order plaid motion generated higher velocities of eye movements than did first-order gratings, yet the latency of the early following response was no different for grating or plaid motion. Nevertheless, early suppressed ocular following responses to isoluminant motion continue to be titrated by stimulus velocity and spatial frequency. Motion defined by 60% luminance contrast gratings and plaids generated a motion signal gain of 60% over chrominance motion. The 20% longer latency of eye movements to chrominance motion may reflect the longer conduction latency of the parvocellular channel and an additional stage in cortical processing en route to motion areas and eye movement control.

journal_name

Neuroreport

journal_title

Neuroreport

authors

Guo K,Benson PJ

doi

10.1097/00001756-199902050-00032

subject

Has Abstract

pub_date

1999-02-05 00:00:00

pages

387-92

issue

2

eissn

0959-4965

issn

1473-558X

journal_volume

10

pub_type

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