Prediction of the sequence of optokinetic nystagmus eye movements reveals deterministic structure in reflexive oculomotor behavior

Mark J Shelhamer, C. D. Gross

Research output: Contribution to journalArticle

Abstract

Optokinetic nystagmus (OKN) is a reflexive eye movement with a characteristic pattern of alternating fast and slow phases (resembling a noisy sawtooth), but with significant variation in the timing and amplitude of its components. We attempt to predict the sequence of OKN fast and slow phase by embedding them in state space and forming local approximations to the resulting trajectories. There is significant predictability only in the sequence of fast phase starting and ending positions. This is presumably related to the desire of the oculomotor system to aim the eyes at a location in space where something important might be expected to appear, leading to a partially deterministic rule for generating the end points of the fast phases.

Original languageEnglish (US)
Pages (from-to)668-670
Number of pages3
JournalIEEE Transactions on Biomedical Engineering
Volume45
Issue number5
DOIs
StatePublished - May 1998

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Eye movements
Trajectories

Keywords

  • Modeling
  • Oculomotor
  • Optokinetic nystagmus
  • Prediction
  • Vastibular

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

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