Neke atu i te 10 tau o te wheako i roto i te whanaketanga o te hemp electrodes hohonu me te 20 tau o te wheako i roto i te whanaketanga whāurutau, tautoko hua ki pai hototahi; taonga i roto i ngā hua, ka taea e tatou te whakarato pūoko e hototahi ki BIS, CSI, PSI, IOC, NTI, Entropy Index me etahi atu hangarau;