September 2005
Volume 5, Issue 8
Vision Sciences Society Annual Meeting Abstract  |   September 2005
The structure of fixational eye movements during turning gaze path
Author Affiliations
  • Ilpo V. Kojo
    Helsinki School of Economics
  • Mikko Berg
    Helsinki School of Economics
  • Jaana Simola
    Helsinki School of Economics
  • Jukka Häkkinen
    University of Helsinki
Journal of Vision September 2005, Vol.5, 587. doi:
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      Ilpo V. Kojo, Mikko Berg, Jaana Simola, Jukka Häkkinen; The structure of fixational eye movements during turning gaze path. Journal of Vision 2005;5(8):587.

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      © ARVO (1962-2015); The Authors (2016-present)

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Human gaze path consist of rotation to redirect focus of foveal vision with better resolution. The gaze has macro structure with well-known division to fixational and saccadic phases according to spatial and temporal behavior characteristics. Our experiments compared the Fixational Eye Movements (FEMo) in context of either continuous direction of saccades and direction changes, turnings. A matrix of arrowheads among T-letter shaped icons were used to construct a path that the subjects tried to follow. The eye movements were recorded with EyeLink II equipment having 250 Hz temporal resolution. The fixations (number= 2124, duration 268 ms, sd=104) were first classified qualitatively according to speed. The later comparison allowed us to rely on quantitative categorizations done by the EyeLink. As a result, there were several microstructures in FEMos as is the case with direct gaze paths. However, the general structure of FEMos during gaze turnings was different when comparing to direct FEMos. Thus, there are several different microstructures in FEMos related to different gaze tasks as seen in gaze path macrostructures.

Kojo, I. V. Berg, M. Simola, J. Häkkinen, J. (2005). The structure of fixational eye movements during turning gaze path [Abstract]. Journal of Vision, 5(8):587, 587a,, doi:10.1167/5.8.587. [CrossRef]

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