title: Qualitative versus directional cues in differential conditioning. 3. The role of qualitative and directional cues in differentiation of salivary conditioned reflexes.
mesh_terms: D000818:Animals; D003214:Conditioning, Classical; D003463:Cues; D004285:Dogs; D010306:Parotid Gland / Q000502:physiology*; D012472:Salivation