Table 4. Pearson correlation coefficients between heroin users' behavioral performance and functional connectivity of the DLPFC.

	Functional connectivity between DLPFC and
	OFC	EC	ACC	OP	STG
WCST
Number of correct trials	0.41**	0.44**	0.25	0.10	−0.10
Perseverative response (%)	−0.31	−0.20	−0.27	0.079	0.038
Perseverative error (%)	−0.32	−0.25	−0.28	0.047	0.06
Nonperseverative error (%)	−0.069	−0.43*	−0.096	−0.064	−0.098
Flankers
Accuracy congruent (%)	−0.15	0.25	0.40*	−0.001	−0.018
Accuracy incongruent (%)	0.077	0.074	−0.046	−0.51**	0.038
RT congruent (ms)	−0.072	−0.22	−0.49**	−0.069	−0.17
RT incongruent (ms)	−0.21	−0.34	−0.41*	−0.077	−0.082
CPT
Omission errors	−0.048	−0.036	0.22	0.16	−0.21
Commission errors	0.16	0.17	0.19	−0.031	−0.28
RT (ms)	0.003	0.006	0.10	−0.039	−0.049
RT standard error	0.17	0.11	0.28	0.10	−0.18
d′	−0.25	−0.016	−0.10	−0.061	0.28
β	−0.12	−0.17	−0.05	0.23	−0.049
n-Back
Accuracy (%)	0.11	0.44*	−0.16	−0.23	−0.022
RT (ms)	0.18	0.19	−0.27	−0.28	0.13
PAL
Trials attempted	−0.11	−0.54**	−0.28	−0.011	0.33
Accuracy (%)	0.083	0.46**	0.12	−0.16	−0.11
JOLO
Correct responses	0.092	0.20	−0.12	−0.055	−0.022

Abbreviations: ACC, anterior cingulate cortex; CPT, Continuous Performance Test; DLPFC, dorsolateral prefrontal cortex; EC, entorhinal cortex; JOLO, Judgment of Line Orientation; OFC, medial orbitofrontal cortex; OP, superior occipitoparietal cortex; PAL, paired-associate learning test; RT, reaction time; STG, superior temporal gyrus; WCST, Wisconsin Card Sorting Test. *P<0.05, **P<0.01.