Color Plate I. MRI image of the human cerebellum.

Recent remarkable progress in brain imaging has made it possible to observe the human cerebellum in vivo. This horizontal section image was taken by the author on June 7, 2010. Abbreviations: b, basilar artery; h, cerebellar hemisphere; p, pons; v, 4th ventricle. For a three-dimensional atlas of the human cerebellum, see Schmahmann et al., 1999.