Braverman, E, Smith, R., Smayda, R, and Blum, K. Modification of P300 amplitude and other electrophysiological parameters of drug abuse by cranial electrical stimulation. Current Therapeutic Research. 48(4):586-596, 1990. P300 waves have a reduced amplitude in many alcoholics, which does not revert to normal, even after continued abstinence. 13 alcohol and/or drug abusers and 2 […]