Fig. 2.

Illustration of the inter-module connections and causality between the FPN and the CON. The subplot (a) is an illustration of the inter-module and intra-module connections of the FPN. The subplot (b) shows the simple effect analysis of FPN/CON connections for the 4 subgroups. The subplot (c) shows the simple effect analysis of effective connections from the CON to the FPN. RGU, recreational gaming user; IGD, internet gaming disorder; FPN, the frontal–parietal network; CON, the cingulo-opercular network. *: p with Bonferroni correction