Fig. 1

Results of graph-based network analyses. (A) The networks represent the mental networking of 16 test variables for the Non-Dental and Dental groups, respectively. The edges represented by a gray line denote significant cross-variable correlations common to both groups. The edges represented by a black line denote the significant cross-variable correlations specific to each group. The right panel shows the adjacent matrices that reveal the coefficients of partial correlation controlled for sex and age of each pair of variables. (B) The scatter plots of the correlation between the PPT-A and the VST-B, the HST-G, the FPD-D, and the PPT-ND, respectively for the Dental group (the black circle) and the Non-Dental group (the gray circle). The r value and p value of partial correlation (controlled for sex and age) are reported. (C) The analysis of modularity reveals different community structures of the 16 test variables between the groups, with the PPT-A forming a module (the blue nodes) with the visual-attention tests in the Dental group. The size of each node represents the eigenvector centrality of the node. Only the edges with the top 25% highest correlation are displayed. For the abbreviations of the 16 test variables, please refer to Table 1