Table 2.

Associations between centrality measures and cognitive and affective measures in PD.

	Left dAI eigenvector centrality	Right dAI eigenvector centrality	Left dAI betweenness centrality	Right dAI betweenness centrality
CAMCOG
rs	− 0.081	0.098	− 0.045	0.199
p-value	0.564	0.487	0.749	0.153
N	53	53	53	53
Fluency
rs	− 0.183	0.024	− 0.160	0.172
p-value	0.189	0.866	0.254	0.219
N	53	53	53	53
PRM
rs	− 0.101	− 0.067	− 0.110	0.005
p-value	0.478	0.635	0.436	0.972
N	52	52	52	52
SSP
rs	− 0.057	− 0.022	0.006	− 0.118
p-value	0.688	0.878	0.964	0.405
N	52	52	52	52
SWM
rs	0.077	0.136	0.033	0.218
p-value	0.585	0.336	0.817	0.120
N	52	52	52	52
IED
rs	− 0.059	− 0.156	− 0.076	− 0.055
p-value	0.682	0.274	0.595	0.700
N	51	51	51	51
VPT
rs	0.262	− 0.112	0.223	− 0.078
p-value	0.061	0.431	0.111	0.584
N	52	52	52	52
BDI
rs	0.277*	− 0.057	0.177	− 0.035
p-value	0.047	0.687	0.210	0.805
N	52	52	52	52
BAI
rs	− 0.111	− 0.208	− 0.163	− 0.286
p-value	0.552	0.261	0.380	0.119
N	31	31	31	31

r_s = Spearman correlation; vAI = ventral anterior insula; dAI = dorsal anterior insula. CAMCOG = Cambridge Cognitive Examination revised test battery; PRM = pattern recognition memory; SSP = spatial span; SWM = spatial working memory; IED = the intra-extra dimensional set shift test; VPT = Vienna perseveration test; BAI = Beck Anxiety Inventory; BDI = the Beck Depression Inventory. *p < 0.05.