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White Matter Study Shows Brain Capable of Learning Complex Tasks Well Into Adulthood, Dartmouth College Study


9/25/2012 7:26:07 AM

Most people equate "gray matter" with the brain and its higher functions, such as sensation and perception, but this is only one part of the anatomical puzzle inside our heads. Another cerebral component is the white matter, which makes up about half the brain by volume and serves as the communications network. The gray matter, with its densely packed nerve cell bodies, does the thinking, the computing, the decision-making. But projecting from these cell bodies are the axons -- the network cables. They constitute the white matter. Its color derives from myelin--a fat that wraps around the axons, acting like insulation.

Read at ScienceDaily


   

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