(PHC)16–18. These findings were consistent with studies reporting abnormal resting-state brain activity in alcohol-addicted patients after a period of abstinence. Several resting-state EEG studies report craving in alcohol addicts is related to increased spontaneous brain activity in the beta frequency band7,19–21, and relapse is associated with recurrence of gamma-band activity in dACC and PCC in alcohol addicted patients compared to healthy people7.