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New Idea of Anatomy of the Brain

work by Bell

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Sir Charles Bell's New Idea of Anatomy of the Brain (1811) is considered a foundational work in neurology. Bell distinguished between sensory nerves, which transmit impulses to the central nervous system, and motor nerves, which carry impulses from the brain to organs. He proposed that the anterior roots of spinal nerves are motor, while the posterior roots are sensory, a concept later confirmed experimentally. Bell's work contributed to understanding how the brain and nervous system function to control bodily responses.12

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