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Brainstem

FreeSurfer aseg · source label Brain-Stem

Atlas label only. No curated clinical content yet.

On the template

FreeSurfer aseg. Values describe the fsaverage template, not an individual or a population norm.

Template values for Brainstem
SideLabel (as in source)Volume, cm³Centroid MNI152, mm
midlineBrain-Stem26.631, -31, -30

Area: pial surface of the fsaverage average, which is smoother than individual cortex. Volume: voxel count of the fsaverage aseg segmentation at 1 mm isotropic.

Learn more

  • How the brain is organised

    A map of the whole brain: its divisions, cells and energy budget, how it develops from a tube, how its network is wired, and how it changes over a lifetime.

    Introductory

  • The brainstem and cranial nerves

    How the brainstem keeps us breathing and awake, what the twelve cranial nerves do, how they are tested, and what happens when they fail.

    Intermediate