Article 2 Behavior 2 Neurobiology 2 Plasticity 2 Sensitive period 2 Social insect 2 adult 2 animal behavior 2 animal experiment 2 animal tissue 2 antenna (organ) 2 controlled study 2 environmental exposure 2 food odor 2 gene expression regulation 2 honeybee 2 memory consolidation 2 nerve cell characteristics and functions 2 nerve cell plasticity 2 nervous system electrophysiology 2 neurexin 2 neurexin 1 2 neuroligin 2 neuroligin 2 2 nonhuman 2 odor 2 postsynaptic potential 2 presynaptic potential 2 protein expression 2 reward 2