If you straighten out its folds, the brain seems to be a three-dimensional grid of nerve fibres. ... Human brain organised like a 3D 'New York City' grid. By Peter Aldhous. 29 March 2012 ...

Van Wedeen of Harvard University, who has argued that the brain is based on an underlying 3D grid, hopes the map will reveal similarly unexpected patterns and structure. “There’s a tremendous ...

The most detailed images, to date, reveal a pervasive 3D grid structure with no diagonals, say scientists funded by the National Institutes of Health.

The human brain is just one big grid of neurons -- a lot like the streets of Manhattan, minus Broadway, and then projected into three dimensions.