Table 2.

Mean number of segments, divided by condition and inter-stimulus interval (ISI), that were retained for analyses after exclusion of trials with incorrect answers and artifact contaminated segments.

Condition	Long ISI (800 ms)			Short ISI (50 ms)
	M	SD	Range	M	SD	Range
R+O+	39	6.85	20–47	38	6.81	22–47
R+O−	32	8.15	16–45	32	7.08	17–45
R−O+	36	8.33	19–47	34	9.15	17–45
R−O−	41	6.50	20–48	40	7.01	19–48