Table 8.
Brain-behavior relationship: Association (R2) between each cluster (C1 through C9) of the best alternative brain reconfiguration found by clustering and the verbal fluency score for each FC measure with a stepwise regression model for E3.
FC Measure | C 1 | C 2 | C 3 | C 4 | C 5 | C 6 | C 7 | C 8 | C 9 | C 10 |
---|---|---|---|---|---|---|---|---|---|---|
Pearson’s Correlation | 0.013 | 0.031 | 0.197* | 0.042 | 0.051 | 0.001 | 0.036 | 0.233* | 0.091 | 0.109† |
Cross-correlation | 0.024 | 0.027 | 0.072 | 0.073 | 0.103† | 0.081 | 0.043 | 0.011 | 0.106† | 0.208* |
Coherence | 0.001 | 0.002 | 0.002 | 0.001 | 0.000 | 0.000 | 0.025 | 0.001 | 0.074 | 0.002 |
Wavelet coherence | 0.069 | 0.000 | 0.021 | 0.009 | 0.060 | 0.026 | 0.145* | 0.017 | 0.006 | 0.022 |
Mutual information | 0.023 | 0.020 | 0.001 | 0.016 | 0.019 | 0.014 | 0.015 | 0.051 | 0.018 | 0.006 |
Euclidean | 0.023 | 0.068 | 0.009 | 0.059 | 0.019 | 0.023 | 0.072 | 0.011 | 0.012 | 0.055 |
Cityblock | 0.031 | 0.014 | 0.013 | 0.027 | 0.007 | 0.022 | 0.031 | 0.001 | 0.024 | 0.055 |
DTW | 0.012 | 0.009 | 0.005 | 0.005 | 0.007 | 0.031 | 0.023 | 0.014 | 0.032 | 0.012 |
EMD | 0.002 | 0.006 | 0.022 | 0.004 | 0.015 | 0.000 | 0.004 | 0.001 | 0.110† | 0.045 |
Note: C1 through C9 represent clusters obtained by k-means; DTW = dynamic time warping; EMD = Earth mover’s distance; *represent association is significant with p-value < 0.05; †represent association is marginally significant with p-value < 0.1.