Table 4

Arousal modulation index during passive listening context

Group	n	Mean	SD	95% Confidence interval of the mean	p value
AC Non-SOM, arousal modulation index¹	2645	0.072	0.26	0.063–0.083
AC SOM arousal modulation index²	359	0.079	0.28	0.049–0.11
PPC Non-SOM arousal modulation index³	4719	0.18	0.29	0.17–0.19
PPC SOM arousal modulation index⁴	525	0.26	0.28	0.24–0.29
Kruskal–Wallis^1–4					2.1E-66
Unpaired permutation^1,2					0.63
Unpaired permutation^1,3					<0.0001
Unpaired permutation^2,3					<0.0001
Unpaired permutation^1,4					<0.0001
Unpaired permutation^2,4					<0.0001
Unpaired permutation^3,4					<0.0001