Fig. 2

Between-group diferences in GCA. The warm color represents increased effective connectivity. The cool color represents decreased effective connectivity. The arrow represents the direction of the functional connectivity. The green color represents the seed point. (A,B,C): The effective connectivity from the left cuneus to other brain regions. Figure (B) and (C) wre generated using the BrainNet Viewer toolbox.CUN.L left cuneus, CAL.L left calcarine, MOG.L left middle occipital gyrus.