marginal significancep = 0.061
Finally, the GLM analysis revealed a significant group-by-RMSSD interaction for the left anterior insular (F 1,67 = 4.980, p = 0.029, η 2 = 0.069), and showed marginal significance for the right amygdala (F 1,66 = 3.646, p = 0.061, η 2 = 0.052), respectively.