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. 2015 Jun 11;10(6):e0126485. doi: 10.1371/journal.pone.0126485

Fig 3. Direction of SWJ saccades and non-SWJ saccades.

Fig 3

A) Polar histogram of saccade directions for SWJ saccades and non-SWJ saccades. We show the average saccade direction distribution across monkeys (n = 5). Both SWJ saccades and non-SWJ saccades are biased vertically. Whereas downward-directed component is prominent for both SWJ saccades and non-SWJ saccades, the upward-directed component is more pronounced for SWJ saccades than non-SWJ saccades. Median Euclidean distance values were significantly lower for SWJ saccades than for non-SWJ saccades, indicating higher symmetry (Z-value = 2.02; p = 0.04; see Methods). B) Saccade magnitude and vertical component. The vertical component remained constant across saccadic magnitudes for both SWJ saccades (Friedman's test (5, 9) = 5.50; p = 0.787) and non-SWJ saccades (Friedman's test (5, 9) = 3.19; p = 0.956). Error bars represent the s.e.m. across monkeys (n = 5).