title: Two-way avoidance learning in pigeons after olfactory nerve section.
mesh_terms: D000818:Animals; D001362:Avoidance Learning; D010856:Columbidae / Q000502:physiology*; D004558:Electric Stimulation; D006185:Habituation, Psychophysiologic; D009832:Olfactory Nerve / Q000502:physiology*; D010775:Photic Stimulation