Characterizing Acupuncture De Qi in Mild Cognitive Impairment: Relations with Small-World Efficiency of Functional Brain Networks

Table 2

Brain areas showing significant difference in nodal centrality.

A. Nodal centrality changes for MCI versus healthy controls
Regions	Normalized betweenness, 𝑏𝑖
	MCI	Healthy controls
Decreased nodal centrality
PreCN/PCC	0.9536	3.5475
Fusiform gyrus	0.2843	1.7431
Hippocampus	0.3302	1.8622
Superior parietal cortex	0.8539	2.9568
Angular gyrus	0.6735	1.7569
Increased nodal centrality
Superior frontal gyrus	4.0174	0.1526
Ventral medial PFC	4.1528	0.1947
Lateral prefrontal cortex	3.9524	0.1751
B. Nodal centrality changes for MCI DA versus MCI
Increased nodal centrality
PreCN/PCC	2.1768	0.9536
Hippocampus	1.9244	0.3302
Postcentral cortex	2.1192	0.7852
Anterior cingulate cortex	3.1568	1.4679
C. Nodal centrality changes for MCI SA versus MCI
Increased nodal centrality
Premotor cortex	3.1894	1.1295
Postcentral cortex	2.7625	0.7852

Abbreviations: PreCN/PCC: precuneus and posterior cingulate cortex; PFC: prefrontal cortex.