Fixational Eye Movement Correction of Blink-Induced Gaze Position Errors
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Author
Costela, Francisco M.Otero-Millan, Jorge
McCamy, Michael B.
Macknik, Stephen L.
Troncoso, Xoana G.
Jazi, Ali Najafian
Crook, Sharon M.
Martinez-Conde, Susana
Journal title
PLoS ONEDate Published
2014-10-21Publication Volume
9Publication Issue
10Publication Begin page
e110889
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Show full item recordAbstract
Our eyes move continuously. Even when we attempt to fix our gaze, we produce "fixational" eye movements including microsaccades, drift and tremor. The potential role of microsaccades versus drifts in the control of eye position has been debated for decades and remains in question today. Here we set out to determine the corrective functions of microsaccades and drifts on gaze-position errors due to blinks in non-human primates (Macaca mulatta) and humans. Our results show that blinks contribute to the instability of gaze during fixation, and that microsaccades, but not drifts, correct fixation errors introduced by blinks. These findings provide new insights about eye position control during fixation, and indicate a more general role of microsaccades in fixation correction than thought previously.Citation
Costela FM, Otero-Millan J, McCamy MB, Macknik SL, Troncoso XG, Jazi AN, Crook SM, Martinez-Conde S. Fixational eye movement correction of blink-induced gaze position errors. PLoS One. 2014 Oct 21;9(10):e110889. doi: 10.1371/journal.pone.0110889. PMID: 25333481; PMCID: PMC4205003.DOI
10.1371/journal.pone.0110889ae974a485f413a2113503eed53cd6c53
10.1371/journal.pone.0110889
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Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by/4.0/
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