Table 3.

Mean (± SD) number of ERP segments comprising each component, as a function of group.

	Young Adults		Older Adults			Analysis
	Mean	SD	Mean	SD	t	p	Cohen’s d
ERP Component
Target N1 Alerting	43.82	10.24	49.66	9.87	−1.71	0.10	0.59
Target N1 Orienting	44.50	10.97	49.53	9.73	−1.42	0.16	0.49
Target P300 Conflict	57.95	13.04	68.63	11.62	−2.53	0.02	0.88