Table 2.

Group means of non-linear connectivity coefficients (d coefficients).

d	RThal	RSFG	RIFGs	RFFGm	RIFGi	RCere	RMFG	RFFGl	RACC
RThal		2.64**	0.62	0.62	0.62	2.11	7.61**	0.61	0.73
RSFG	0.41		–0.89	–1.38	0.19	–3.51	–5.50*	2.89	0.37
RIFGs	0.50	–0.36		–0.21	1.41*	–2.43**	5.17	–2.61	0.54
RFFGm	–1.14	2.60*	0.17		–2.05*	3.86	5.21*	–2.25	0.33
RIFGi	–0.54	2.96	4.81***	0.07		1.33	11.59*	–3.47	0.66
RCere	–0.05	–3.53***	–5.57***	1.32	–2.61		–10.30***	1.94	–0.93
RMFG	–0.29	–0.20	–0.12	–0.24	0.94	–1.57		0.60	0.27
RFFGl	–1.14	2.52**	–1.99	–0.65	–3.30	2.61*	1.79		–3.04**
RACC	0.54	2.26	4.09***	0.37	0.48	1.43	11.57**	–4.66

Columns are predicted by rows: for example, SFG ∼ (c^∗D + d^∗D²)^∗Thal = (-1.14^∗D +2.64^∗D²)^∗Thal (for c coefficient, see Table 1). Hypothesis H₂: sign(d) = -sign(c) is supported for all significant models. ^∗p < 0.05, ^∗∗p < 0.01, ^∗∗∗p < 0.001.