The Effectiveness of Transcranial Direct Current Stimulation (tDCS) on Improving Cognitive Abilities in Martial Athletes Journal title: Journal of Police Medicine Authors: Ali Rezaei sharif1 , Sara Taghizadeh hir * 2, Ghasem Fattahzadeh Ardalani3 1- Department of Couns... Subject(s): Medicine, Emergency Medicine and Critical Care, Internal Medicine, Drug Abuse, Health Psychology/Behavioral Medicine