Table 1.

Characteristics of SWJs

	SWJ saccades			Non-SWJ saccades			All saccades
	Controls	PSPs	p value	Controls	PSPs	p value	Controls	PSPs	p value
Rate (N/s)	0.2 ± 0.1	0.8 ± 0.1	<0.0001	0.7 ± 0.1	0.6 ± 0.1	>0.01	1.1 ± 0.2	2.1 ± 0.2	<0.001
Number of SWJs	400 ± 200	90 ± 20	—	2000 ± 1000	300 ± 100	—	2000 ± 1000	300 ± 100	—
Magnitude (deg)	0.6 ± 0.1	1.4 ± 0.2	<0.001	0.42 ± 0.04	1.3 ± 0.2	<0.0001	0.46 ± 0.04	1.4 ± 0.2	<0.0001
Peak velocity (deg/s)	47 ± 4	70 ± 10	<0.01	36 ± 3	70 ± 10	<0.001	39 ± 3	70 ± 10	<0.001
Vertical comp (normalized)	0.37 ± 0.04	0.14 ± 0.02	<0.0001	0.59 ± 0.03	0.20 ± 0.04	<0.000001	0.52 ± 0.04	0.16 ± 0.03	<0.00001
Intra-SWJ ISI (ms)	290 ± 10	280 ± 10	>0.01
Inter-SWJ ISI (ms)	1100 ± 200	500 ± 100	<0.001
SWJ SD of direction difference	21 ± 1	9 ± 2	<0.00001
Percentage of saccades in SWJs	30 ± 10	70 ± 10	<0.001

Averages and intersubject SEMs are indicated for each parameter tested. Values of p were determined by t test. To calculate the vertical component of saccades of different sizes, we first normalized the magnitude of all saccades to 1°.