Bilateral supplementary motor area syndrome causing akinetic mutism following parasagittal meningioma resection

Introduction The supplementary motor area (SMA) was originally defined by Penfield and Welch in 1951 as a single cortical field anterior to the leg representation of the primary motor cortex (PMC) along the medial aspect of the cerebral hemisphere down to the cingulate sulcus [1-4]. The SMA-proper is limited to cortex