Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2011-01-19
Physics
Condensed Matter
Statistical Mechanics
Accepted to Europhysics Letters (2011)
Scientific paper
In an experiment involving semantic search, the visual movements of sample populations subjected to visual and aural input were tracked in a taskless paradigm. The probability distributions of saccades and fixations were obtained and analyzed. Scale-invariance was observed in the saccadic distributions, while the fixation distributions revealed the presence of a characteristic (attentional) time scale for literate subjects. A detailed analysis of our results suggests that saccadic eye motions are an example of Levy, rather than Brownian, dynamics.
Mehta Anita
Mishra Rakesh Kumar
Shinde D. P.
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