There are several critical cortical regions in the frontal (red tones), parietal (green tones), and temporal (blue tones) lobes of the brain that support language processing. Growing evidence points to similar activated regions in right hemisphere homologues not shown here. These highlighted language regions don’t work in isolation but rather are supported by activity in other cortical and subcortical regions that assist with further sensory, motor, and association/integration processes. Association fibers connecting cortical language hubs include the uncinate, arcuate (superior longitudinal), inferior fronto-occipital, and inferior longitudinal fasciculi.1-5

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Alexandra Z Durfee, PhD, CCC-SLP

Assistant Professor, Department of Speech-Language Pathology & Audiology, Towson University, Towson, Maryland, USA

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