The left and right hemispheres of the cerebral cortex cannot communicate with each other after the __________ is cut.

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The corpus callosum is a bundle of nerve fibers that connects the left and right hemispheres of the cerebral cortex. Cutting the corpus callosum would prevent communication between the two hemispheres, a procedure often performed in treatment for epilepsy. The hypothalamus is a structure in the brain that helps regulate many physiological processes. The spinal cord is not directly involved in communication between the cerebral hemispheres, although it relays information between the brain and the rest of the body. The sympathetic nervous system is one part of the autonomic nervous system that regulates involuntary bodily functions such as heart rate and sweating, and is not directly involved in communication between the cerebral hemispheres.

The Left and Right Hemispheres of the Cerebral Cortex Cannot