. Author manuscript; available in PMC: 2015 Aug 28.

Published in final edited form as: Psychol Sci. 1998 Nov;9(6):441–447. doi: 10.1111/1467-9280.00083

Table 1.

Mean values and summary statistics for the behavioral and electrophysiological measures

Interstimulus interval	Target		Difference (Cued – uncued)	Significance
Interstimulus interval	Cued	Uncued	Difference (Cued – uncued)	Significance
Manual response time to targets (ms)
Short	517	533	−16	p < .01
Long	546	544	+2	n.s.

ERP amplitude (μV) at occipital scalp sites (OL, 90 to 140 ms posttarget: P1 component OR, T5, T6)
Short	0.23	−0.19	+0.42	p < .01
Long	0.88	1.21	−0.33	p < .01

ERP amplitude (μV) at central-parietal scalp sites (Pz, Cz) 250 to 500 ms posttarget: P300 component
Short	4.16	3.14	+1.02	p < .001
Long	4.95	4.80	+0.15	n.s.

Note. ERP = event-related potential.