Foreign accent syndrome: A multimodal evaluation in the search of neuroscience-driven treatments

► Linguistic errors suggest impairment in the execution of motor programs. ► The major area of brain damage involved the left insula-frontal operculum. ► Cortical and subcortical areas connected with the insula were dysfunctional. ► Dysfunction of networks of planning-execution of speech production explained FAS. ► These results provided clues for treatment.