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Layers of the Cerebrum - Gray
and White Matter
The entire cerebrum is composed
of two layers. The 20-millimeter thick outermost layer, called
the cerebral cortex or gray matter contains the centers of
cognition and personality and the coordination of complicated
movements. As shall be seen, the gray matter is also organized
for different functions.
The white matter is a network of fibers that
enables regions of the brain to communicate with each other.
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