Table 3.

Correlation coefficients and corresponding p-values for correlations between envelope following response measures and response times on cognitive tasks.

Task		PLI			ERSP
		40-Hz EFR	IGF-EFR	IGF	40-Hz EFR	IGF-EFR	IGF
Simple reaction time task	r	0.05	0.04	−0.03	0.03	0.03	0.01
	p	0.79	0.83	0.86	0.86	0.85	0.94
Two-choice response time task	r	0.08	0.02	−0.18	0.09	0.03	−0.20
	p	0.62	0.93	0.29	0.60	0.87	0.23
Arithmetic decision task	r	−0.13	−0.15	−0.06	−0.12	−0.16	−0.12
	p	0.46	0.36	0.71	0.47	0.34	0.49
Lexical decision task	r	−0.10	−0.11	−0.02	−0.03	−0.07	−0.18
	p	0.58	0.52	0.90	0.87	0.70	0.28
Semantic categorization task	r	−0.20	−0.23	−0.04	−0.15	−0.18	−0.10
	p	0.23	0.18	0.80	0.39	0.28	0.55
Mental rotation task	r	−0.16	−0.16	0.21	−0.10	−0.12	0.10
	p	0.35	0.34	0.21	0.54	0.47	0.57
Tower of London task	r	−0.50	−0.55	0.08	−0.49	−0.51	0.09
	p	0.002	<0.001	0.65	0.002	0.001	0.60

EFR—envelope following response; IGF—individual gamma frequency; IGF-EFR—envelope following response at individual gamma frequency.