Table 4.

Correlations among fractional anisotropy and RT variables for older adults

Variables	1	2	3	4	5	6	7	8	9	10
(1) Hit RT	–
(2) Correct rejection RT	0.777**	–
(3) Perceptual-motor speed	0.205	0.452	–
(4) PCF	−0.493*	−0.613**	0.114	–
(5) ASL	0.210	−0.002	−0.092	−0.124	–
(6) PSL	−0.152	−0.087	0.152	0.237	0.367	–
(7) UNC	−0.271	−0.270	0.180	0.370	0.191	0.251	–
(8) CIN	0.180	0.014	0.052	0.372	−0.102	−0.178	0.233	–
(9) GNU	−0.493*	−0.565**	−0.323	0.405	−0.325	0.169	0.119	0.005	–
(10) SPN	−0.109	−0.151	0.294	0.410	−0.488*	0.010	0.011	0.505*	0.200	–

^*p < 0.05.

^**p < 0.01.