The surface area of the cortex is tripled by the convolutions. The 40% of the total brain mass that is the cortex is responsible for all conscious activities.
One half of the cerebrum, which also regulates speech, thought, emotions, reading, writing, and learning in addition to controlling muscle movements.
It features numerous folds and creases because the cerebral cortex of the human brain is extremely complicated. Large portions of our brains can fit inside our skulls because to these convolutions. This brain structure allows humans to have billions of neurons in our brains while still having relatively small skulls.
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