As part of the therapy, electroconvulsive therapy is implemented with currents of 1–5 milliampere.[109] As Yang put it, the electroconvulsive therapy only involves sending a small current through the brain and will not harm the recipient.[110] As a psychiatric hospital, patients are deprived of personal liberty and are subject to electroconvulsive treatment at the will of hospital staffs.[5] And before admission, parents have to sign contracts in which they deliver their guardianship of kids partially to the hospital and acknowledge that their kids will receive ECT.[96] Frequently, ECT is employed as a punishment method upon patients who breaks any of the center's rules, including "eating chocolate, locking the bathroom door, taking pills before a meal and sitting on Yang's chair without permission".[96] It is reported in a CCTV-12 segment that a DX-IIA electroconvulsive therapy machine is utilized to correct Internet addiction.