title: Learning principles.
mesh_terms: D000818:Animals; D000829:Animals, Domestic; D001076:Aptitude; D001521:Behavior Therapy; D003214:Conditioning, Classical; D003216:Conditioning, Operant; D003887:Desensitization, Psychologic; D005108:Extinction, Psychological; D007171:Implosive Therapy; D007858:Learning; D011678:Punishment; D012054:Reinforcement, Psychology