Figure 6 | Scientific Reports

Figure 6

From: Association between aphasia severity and brain network alterations after stroke assessed using the electroencephalographic phase synchrony index

Figure 6

Results of analyses for the PLIs between the motor language-related regions. Comparison of the PLIs in stroke patients with those in healthy controls. A box-and-whisker plot indicating values of the (a) F7F8-PLI, (b) F7T5-PLI, and (c) F8T6-PLI of stroke patients and healthy controls (Mann‒Whitney U test; * P < 0.05, ** P < 0.01, *** P < 0.001, FDR corrected). In contrast to the F7F8-PLI and F7T5-PLI, the F8T6-PLI shows no significant difference between stroke patients and healthy controls. Correlation coefficients of the F7F8/F7T5/F8T6-PLIs with ARSsp scores. A polygonal line graph of the correlation coefficients for the correlation of (d) F7F8-PLI, (e) F7T5-PLI, and (f) F8T6-PLI with ARSsp scores (Spearman’s correlation analysis; * P < 0.05, FDR corrected). In contrast to the F7F8-PLI and F7T5-PLI, the F8T6-PLI shows a significant correlation in the β1 band. ARSsp Aphasia Rating Scale speech, FDR false discovery rate, PLI phase lag index.

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