The Cerebral Cortex

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The structure of the cerebral cortex

The cerebral cortex is the cerebrum’s outer layer. It is divided into two cortices, the left and the right cerebral hemispheres divided by the medial longitudinal fissure. The cerebral cortex plays a major role in memory, attention, perception, awareness, thought, language, and consciousness. The human cerebral cortex is thick about 2-4mm.The cerebral cortex is gray matter, consisting mainly of cell bodies and capillaries. It contrasts with the underlying white matter, consisting mainly of the white myelinated sheaths of neuronal axons. Magnetic resonance imaging (MRI) of the brain makes it possible to measure the thickness of the human cerebral cortex. It varies the thickness of different cortical areas

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