Table 1 Average microsaccade and perceptual parameters.

From: Microsaccades mediate perceptual alternations in Monet’s “Impression, sunrise”

 

Monet condition

Gabor condition

Number of trials

72

108

Number of microsaccades

1399 ± 127 per subject (19.43 ± 1.76 per trial)

2165 ± 192 per subject (20.05 ± 1.78 per trial)

Microsaccade rate (N/s)

0.67 ± 0.06

0.69 ± 0.06

Microsaccade magnitude (°)

0.44 ± 0.02

0.47 ± 0.02

Microsaccade duration (ms)

14.33 ± 0.65

15.18 ± 0.69

Microsaccade peak velocity (°/s)

47.09 ± 1.89

49.37 ± 2.08

Number of transitions to fading (N)

215.27 ± 28.01 per subject (2.99 ± 0.35 per trial)

405.82 ± 39.28 per subject (3.76 ± 0.33 per trial)

Duration of perceived fading periods subsequent to the first 1 s of the trial (s)

6.95 ± 0.87 total per trial

8.32 ± 0.83 total per trial

Duration of first fading period after stimulus onset (s)

3.04 ± 0.61

2.76 ± 0.41

Time spent in fading periods

(% of trial)

23.96 ± 3.00

28.67 ± 2.87

Number of transitions to intensifying (N)

192.23 ± 26.96 per subject (2.67 ± 0.34 per trial)

368.54 ± 37.81 per subject (3.41 ± 0.35 per trial)

Duration of perceived intensifying periods subsequent to the first 1 s of the trial (s)

9.12 ± 0.62 total per trial

11.27 ± 0.43 total per trial

Time spent in intensifying periods (% of trial)

31.44 ± 2.15

38.82 ± 1.47

  1. Number of microsaccades, microsaccade rate, magnitude, duration, and peak velocity, were calculated for saccadic movements with a magnitude ≤ 1°.