Table 3.

Means and standard deviations for ocular motor task variables.

	Controls Mean (SD) n = 20	VSS Mean (SD) n = 40
Latencies (ms)
Invalid SOA 67	342.93 (34.10)	361.67 (43.30)
Invalid SOA 150	330.06 (30.73)	341.75 (46.91)
Invalid SOA 300	315.37 (34.96)	322.92 (45.92)
Invalid SOA 500	290.64 (36.97)	312.77 (45.64)
Valid SOA 67	323.07 (40.73)	326.66 (37.72)
Valid SOA 150	325.52 (32.39)	326.06 (43.96)
Valid SOA 300	325.34 (36.27)	326.52 (38.40)
Valid SOA 500	314.83 (35.57)	331.85 (43.41)
Error rate (%)
SOA 67	1.25 (3.27)	2.97 (5.83)
SOA 150	4.27 (6.53)	4.69 (6.44)
SOA 300	15.73 (10.06)	15.57 (12.08)
SOA 500	17.60 (13.69)	18.33 (14.50)

SOA, Stimulus Onset Asynchrony.