Electric nerve fibers

Electric currents in nerves were studied in detail with the aid of Braun's oscilloscope. The velocity of nerve impulses was shown to vary directly with the thickness of the nerve fiber.
 Joseph Erlanger, Herbert Spencer Gasser United States 1922 Electric nerve fibers

Electric currents in nerves were studied in detail with the aid of Braun's oscilloscope. The velocity of nerve impulses was shown to vary directly with the thickness of the nerve fiber.