title: SOME PROBLEMS CONCERNING THE MECHANISM OF INSTRUMENTAL CONDITIONING.
mesh_terms: D000818:Animals; D003214:Conditioning, Classical; D003216:Conditioning, Operant; D004285:Dogs; D009424:Nervous System Physiological Phenomena; D011603:Psychophysiology; D012018:Reflex; D012106:Research
keywords: DOGS; EXPERIMENTAL LAB STUDY; PSYCHOPHYSIOLOGY; REFLEX, CONDITIONED