Dynamic asymmetry in vergence eye movements: The underlying mechanism revealed by independent component analysis

John Semmlow, Weihong Yuan, Tara Alvarez

Research output: Contribution to journalConference articlepeer-review

Abstract

The physiological motor response to double vision, vergence eye movements, shows a strong directional asymmetry: inward turning movements are faster than outward movements. Isolated neural components underlying these signals were identified using a new application of Independent Component Analysis. These components show that the direction-dependent nonlinearity is due primarily to a difference in only one of the major components that drive the vergence response: the transient component associated with neural burst cells.

Original languageEnglish (US)
Pages (from-to)2135-2136
Number of pages2
JournalAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
Volume3
StatePublished - Dec 1 2002
EventProceedings of the 2002 IEEE Engineering in Medicine and Biology 24th Annual Conference and the 2002 Fall Meeting of the Biomedical Engineering Society (BMES / EMBS) - Houston, TX, United States
Duration: Oct 23 2002Oct 26 2002

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Biomedical Engineering
  • Computer Vision and Pattern Recognition
  • Health Informatics

Keywords

  • Independent component analysis
  • Physiological motor control
  • Vergence

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