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 |
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| ||
| 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 |
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| ||
| 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.