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Result of the psycho-physiological interaction analysis (PPI): functional connectivity with the left amygdala as resulting from group interaction condition [(sad-affected > calm-affected) × (patients vs. controls)]. Patients showed increased functional connectivity with the (pre-)supplemental motor area (SMA) and, post-hoc, the subthalamic nucleus (STN) (see Methods). For presenting purposes the statistical maps were thresholded at p < 0.005 unc.
