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Smooth Visual Tracking and Fixation by R. John Leigh; David S. Zee is a book available to read on EtoBox.

What is Smooth Visual Tracking and Fixation about?

This chapter summarizes the properties and neural substrate of smooth eye tracking movements, including visual fixation, smooth pursuit, the ocular following response (OFR), and optokinetic nystagmus (OKN). Fixational eye movements, including microsaccades and drifts, and the role of the OFR in stabilizing gaze are discussed. The properties of pursuit, OFR, and OKN are summarized, including anticipation, prediction, and target selection. The ability of pursuit adaptation to respond to new visual demands is reviewed. Pertinent cortical areas (MT+) and their projections to brainstem and cerebellum are discussed, as well as the accessory optic pathway, and nucleus of the optic tract. Current models for smooth pursuit that incorporate efference copy (corollary discharge), prediction, and Bayesian operators are summarized. Clinical and laboratory evaluation of fixation and visual tracking are reviewed, and the pathogenesis of disorders of these movements discussed, including latent nystagmus accompanying failure to develop binocular vision and infantile nystagmus syndrome.

Author

R. John Leigh; David S. Zee

Publisher

Oxford University Press

Published

2015

Language

EN