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Proceedings Paper

Eye movements during silent and oral reading with stabilized versus free head movement and different eye-trackers
Author(s): Roberts Paeglis; Inita Jokste; Kristine Bagucka; Ivars Lacis
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Paper Abstract

Eye movement research of reading has been done on a battery of eye-tracking setups during last decades. We compared reading data of the same group of six students, their eyes were tracked by a video-based helmet-mounted system with the data sampling frequency of 50 Hz and a setup with a chin-rest at 240 Hz. We found that not only the number of fixations may decrease after reading practice, but so does also the mean duration of fixations. In spite of the short duration of saccades, their distributions and changes in them are similarly reported in the two experimental conditions. Lack of significant correlation in the HED data testifies to the result variability due to measurement technique. We conclude that the head-free setup is applicable in reading research but has insufficient precision to track changes in reading patterns.

Paper Details

Date Published: 2 December 2008
PDF: 6 pages
Proc. SPIE 7142, Sixth International Conference on Advanced Optical Materials and Devices (AOMD-6), 714217 (2 December 2008); doi: 10.1117/12.815343
Show Author Affiliations
Roberts Paeglis, Univ. of Latvia (Latvia)
Inita Jokste, Univ. of Latvia (Latvia)
Kristine Bagucka, Univ. of Latvia (Latvia)
Ivars Lacis, Univ. of Latvia (Latvia)

Published in SPIE Proceedings Vol. 7142:
Sixth International Conference on Advanced Optical Materials and Devices (AOMD-6)
Janis Spigulis; Andris Krumins; Donats Millers; Andris Sternberg; Inta Muzikante; Andris Ozols; Maris Ozolinsh, Editor(s)

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