Table 1.

Observed structural and functional overlap probabilities within and across the two convergence zones and connections to putative motor regions based on connectivity with the precentral gyrus^{^a}

Functional	Structural
	Left hemisphere			Right hemisphere
	Caudate convergence zone	Putamen convergence zone	Putamen motor	Caudate convergence zone	Putamen convergence zone	Putamen motor
Caudate	70.23%^*	31.21%^*	25.70%^*	66.67%^*	61.74%^*	52.75%^*
	(0.26, 0.28)	(0.14, 0.16)	(0.1, 0.12)	(0.27, 0.36)	(0.22, 0.3)	(0.1, 0.17)
Putamen	42.42%^*	27.36%^*	21.37%^*	31.57%^*	31.29%^*	16.44%^*
	(0.27, 0.28)	(0.15, 0.16)	(0.11, 0.11)	(0.22, 0.23)	(0.17, 0.18)	(0.09, 0.1)
Motor	33.80%	30.75%	39.56%	20.92%	26.49%	50.50%^*
	(0.36, 0.38)	(0.34, 0.35)	(0.38, 0.4)	(0.26, 0.28)	(0.28, 0.3)	(0.39, 0.4)

↵^aValues in parentheses are the lower and upper bounds of the 95% confidence intervals of chance overlap based on a permutation test.
↵*Significant observed overlap above chance.