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Micro saccade detection and quantifying eye movements algorithms

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microsaccade

A matlab function for detecting microsaccades (small rapid eye movements).

About the Detection Algorithm:
The algorithm defines an eye movement to be a microsaccade when the speed crosses 8 deg/s, is between 10 and 300 ms in duration, starts at least 20 ms after any previous microsaccade, has a minimum length of 0.05 degrees, and the eye direction exceeds no more than 30 degrees for each 5 ms time cut for the duration of the microsaccade [1].

The algorithm also computes peak velocity and amplitude of the microsaccades.

Haider Riaz Khan - haider.riaz@mail.mcgill.ca
McIntyre Medical Building Room 1225
Department of Physiology, McGill University

1- Harrington et al. “The Effect of Microsaccades on the Correlation between Neural Activity and Behavior in Middle Temporal, Ventral Intraparietal, and Lateral Intraparietal Areas”. The Journal of Neuroscience 29 (18), 5793–5805 (2009).

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