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Why did Luigi Galvani believe the brain was important in animal electricity?
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Luigi Galvani
Luigi Galvani in an illustration from Le Journal de la Jeunesse, Paris, 1880.
Luigi Galvani believed the brain was the primary organ responsible for the secretion of an innate "electric fluid," which he termed "animal electricity."
In his research on electrophysiology, Galvani theorized that this fluid was generated in the brain and then conducted through the nerves to the muscles. He conceptualized the nerves and muscles as functioning similarly to the inner and outer surfaces of a Leyden jar, where the flow of this electric fluid acted as a stimulus for irritable muscle fibers, causing them to contract.1