Table 3.

Correlation analysis between neuropsychological data and brain regions showing altered rsFC between the collapsed PD-MCI and PD-IC groups.

Cognitive Subdomains	Bilateral parietal areas		Right frontal area
	correlation coefficient	P value	correlation coefficient	P value
Attention
Digit Span (forward)	−0.151	0.228	0.112	0.372
Digit Span (backward)	−0.312	0.011	0.169	0.175
Digit Span total	−0.227	0.067	0.117	0.350
Word Stroop test	−0.188	0.138	0.240	0.056
Color Stroop test	−0.408*	0.001	0.330*	0.008
Executive function
Phonemic generative naming	−0.425*	0.000	0.137*	0.275
COWAT (animal)	−0.157	0.209	0.184	0.139
COWAT (supermarket)	−0.431	0.000	0.180	0.148
Verbal memory function
Free recall	−0.180	0.148	0.261	0.034
Delayed recall	−0.157*	0.207	0.254*	0.039
Recognition	−0.071	0.571	0.219	0.078
Visual memory function
RCFT immediate recall	−0.245	0.047	0.120	0339
RCFT delayed recall	−0.145	0.244	0.076	0.544
RCFT recognition	−0.128*	0.306	−0.097*	0.438
Visuospatial function
RCFT copy	−0.265*	0.032	0.079*	0.527
Pentagon drawing test	−0.123	0.326	0.110	0.380
Language and related function
K-BNT	−0.144	0.247	0.163	0.192
Other indices
Contrasting program	−0.169	0.175	0.275	0.026
Go-No-Go test	−0.269	0.029	0.228	0.066
Semantic generative naming	−0.330*	0.007	0.129*	0.302

^*Pearson’s rho (ρ).

Unless otherwise indicated, data are Spearman’s r.