conditioned reflex 44 Animals 42 Conditioning, Classical 36 animal 34 article 30 learning 30 physiology 30 Memory 22 Association Learning 20 Male 20 odor 20 Bees 18 bee 18 controlled study 18 male 18 nonhuman 18 Associative learning 16 Smell 16 animal experiment 16 Odors 14 association 14 memory 14 priority journal 14 Apis mellifera 12 Behavior, Animal 12 Cues 12 conditioning 12 Discrimination Learning 10 Fear 10 Learning 10