Effect of Freeing the Head on Eye Movement Characteristics during Three-Dimensional Shifts of Gaze and Tracking

Han Collewijn*, Robert M. Steinman, Casper J. Erkelens, Zygmunt Pizlo, Johannes Van Der Steen

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

Abstract

This chapter considers the primary method used in studying the binocular control of gaze while an unrestrained subject viewed close target objects. Also presented here is the first comparative analysis of two types of oculomotor performance: performance in a head-free condition versus performance in a "bite board" (head fixed condition). The subjects made saccades between two stationary targets and tracked a target that moved both in a lateral direction and in depth. This chapter also shows that head-free saccades are faster than saccades made using the head on a bite board, and head-free threedimensional pursuit does not differ significantly from the pursuit with the head on a bite board. This work has concluded that it is feasible to record binocular gazed behaviors in unrestrained subjects. Another conclusion is that the performance of oculomotor control is excellent in generally natural conditions.

Original languageEnglish
Title of host publicationThe Head-Neck Sensory Motor System
PublisherOxford University Press
ISBN (Electronic)9780199847198
ISBN (Print)9780195068207
DOIs
Publication statusPublished - 22 Mar 2012

Keywords

  • Binocular control
  • Bite board
  • Head-free condition
  • Natural conditions
  • Oculomotor control
  • Oculomotor performance

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