Table 1.

Descriptive statistics of microsaccade parameters: amplitude (deg), peak velocity (deg/sec), duration (sec), and rate (count/sec) from Experiments 1, 2, and 3.

	Mean	SD	Minimum	Maximum	Skewness	Kurtosis
Experiment 1. Fixating @ 500 Hz: microsaccades
amplitude	0.40	0.16	0.02	1.60	1.21	2.34
peak velocity	70.64	34.97	4.00	215.74	1.19	1.49
duration	0.01	0.01	0.01	0.04	1.51	2.76
rate	4.31	7.2	0.1	55.56	4.13	19.79
Experiment 2. Fixating @ 300 Hz: microsaccades
amplitude	0.54	0.25	0.06	1.98	0.85	0.63
peak velocity	66.73	35.81	10.38	200.28	0.89	0.22
duration	0.02	0.01	0.01	0.04	1.18	0.78
rate	1.56	3.38	0	33.49	4.92	32.48
Experiment 3. Free-viewing @ 500 Hz: microsaccades
amplitude	0.48	0.21	0.03	1.55	0.58	0.09
peak velocity	101.01	47.57	5.40	219.63	0.24	-0.79
duration	0.02	0.01	0.01	0.04	0.52	-0.73
rate	3.83	4.34	0.08	55.56	6.45	57.47