Caudate Nucleus Volume Mediates the Link between Cardiorespiratory Fitness and Cognitive Flexibility in Older Adults

Table 2

Partial correlations between nuclear volumes and components of the behavioral scores.

	Nucleus accumbens	Caudate nucleus	Putamen	Pallidum
Flanker
Con RT	−.114	−.015	−.054	.013
Inc RT	−.096	−.037	−.127	−.035
Cost (RT)	.031	.062	.131	.087
Con Acc	.132	.122	.045	−.034
Inc Acc	.176	.013	.069	−.012
Cost (Acc)	.078	−.074	.028	.054
Task-switch
Repeat RT	.010	−.238^**	−.018	.089
Switch RT	.079	−.103	.081	.016
Cost (RT)	.107	−.069	.058	−.003
Repeat Acc	.120	.286^**	.115	.176^*
Switch Acc	.133	.274^**	.153	.217^**
Cost (Acc)	.089	.247^**	.164^*	.218^**