The right pre-supplementary motor area supports modality-independent repetition of pseudowords

Introduction: Previous functional imaging studies demonstrated activation of the supplementary motor area (SMA) when healthy-right-handed subjects repeated auditorily or visually presented pseudowords [1,2]. The present study was designed to address the role of premotor cortical areas in non-routine repetition of pseudowords as opposed to word repetition. Subjects used visual and auditory stimuli for word and pseudoword repetition. This design enabled us to delineate regional activity involved in pseudoword repetition independent of the sensory modality used for stimulus presentation. Methods: 17 right-handed, h…