Anomia produced by direct cortical stimulation of the pre-supplementary motor area in a patient undergoing preoperative language mapping

Abstract

There is sparse data on the analysis of supplementary motor area in language function using direct cortical stimulation of the supplementary motor area. Here, we report a patient who experienced isolated anomia during stimulation of the anterior supplementary motor area and discuss the role of the supplementary motor area in speech production. The role of the pre-supplementary motor area in word selection, observed in fMRI studies, can be confirmed by direct cortical stimulation.