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"To the unaided eye, the most striking feature of the human brain is its squiggly pattern of bumps and grooves. But within those curves is a latticework of nerve fibers that cross each other at roughly right angles (above), according to a study published March 30 in Science.

The researchers used a recently-developed method called diffusion spectrum imaging to infer the position of nerve fibers in the living human brain from the way water flows through and around them. These scans revealed an orderly weave of fibers — a much simpler organization than many scientists would have suspected."

There are more pretty pictures in the study's supplementary pdf, available at
Heidi Schmidt's profile photorone's profile photo
Yes, for monkeys and humans the grid is evident. But mice actually have it a little different which is also cool!
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