Inje University of Medicine, Haeundae Paik Hospital 1 article published in JoVE Behavior Neuronavigation-guided Repetitive Transcranial Magnetic Stimulation for Aphasia Woo-Jin Kim1, Soo Jung Hahn2, Won-Seok Kim2, Nam-Jong Paik2 1Department of Rehabilitation Medicine, Inje University of Medicine, Haeundae Paik Hospital, 2Department of Rehabilitation Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital This study is designed to test the hypothesis that neuronavigational system-guided transcranial magnetic stimulation has higher accuracy for targeting the intended target as demonstrated by eliciting a greater degree of virtual aphasia in healthy subjects, measured by delay in reaction time to picture naming.