Contrary to popular belief, the "whole-brain" has four hemispheres; two (left-right) cerebral hemispheres and two (L-R) cerebellar hemispheres. Changes in the symmetry of gray matter volume and cortex ...

This hand-drawn brain map by Christopher Bergland (who is not a neuroscientist) is a layperson's attempt to illustrate the importance of optimizing grey matter structure and white matter functional ...