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Similar Kinematic Properties for Ocular Following and Smooth Pursuit Eye Movements

Summary: Similar Kinematic Properties for Ocular Following and Smooth Pursuit
Eye Movements
Babatunde Adeyemo and Dora E. Angelaki
Department of Neurobiology, Washington University School of Medicine, St. Louis, Missouri
Submitted 27 September 2004; accepted in final form 18 October 2004
Adeyemo, Babatunde and Dora E. Angelaki. Similar kinematic
properties for ocular following and smooth pursuit eye movements. J
Neurophysiol 93: 17101717, 2005. First published October 20,
2004; doi:10.1152/jn.01020.2004. Ocular following (OFR) is a short-
latency visual stabilization response to the optic flow experienced
during self-motion. It has been proposed that it represents the early
component of optokinetic nystagmus (OKN) and that it is functionally
linked to the vestibularly driven stabilization reflex during translation
(translational vestibuloocular reflex, TVOR). Because no single eye
movement can eliminate slip from the whole retina during translation,
the OFR and the TVOR appear to be functionally related to main-
taining visual acuity on the fovea. Other foveal-specific eye move-
ments, like smooth pursuit and saccades, exhibit an eye-position-
dependent torsional component, as dictated by what is known as the
"half-angle rule" of Listing's law. In contrast, eye movements that


Source: Angelaki, Dora - Department of Anatomy and Neurobiology, Washington University in St. Louis


Collections: Biology and Medicine