The nerve fibres of the brain were traced by diffusion spectrum imaging, and coloured to represent their direction. One of the first scans carried out by the Human Connectome Project to map the brain's long-distance communication network.
Several different studies support that knitting—and crafting in general—serves as a natural anti-depressant, helps ease anxiety and stress, can protect your brain from aging and has the effects as meditation.
"Brains are gorgeous at the right magnification", says Mark Miller. His images are quite impressive, particularly since the neurons connecting in the brain resemble the large-scale structure of the universe.