Liberal Dictionary English Dictionary
noun
- the furrowed outer layer of gray matter in the cerebrum of the brain, associated with the higher brain functions, as voluntary movement, coordination of sensory information, learning and memory, and the expression of individuality.
- The layer of gray matter in vertebrates that covers the cerebral hemispheres and is composed of folds of neurons and axons. The cerebral cortex is responsible for higher functions of the nervous system, including voluntary muscle activity and learning, language, and memory.
The surface layer of gray tissue of the cerebrum, frequently called the gray matter. The large size of the cerebral cortex in humans distinguishes them from other animals. Specific parts of the cortex control specific functions, including sensation, voluntary muscle movement, thought, reasoning, and memory.