title: An extracellular recording method for determining the direction of travel of action potentials along nerves.
mesh_terms: D000200:Action Potentials; D000818:Animals; D001369:Axons / Q000502:physiology; D005724:Ganglia / Q000502:physiology*; D006372:Helix, Snails; D009431:Neural Conduction; D009474:Neurons / Q000502:physiology