controlled study 3 nonhuman 3 withdrawal reflex Animals 2 Aplysia 2 Aplysia californica 2 Article 2 Ganglia, Invertebrate 2 animal 2 drug effect 2 ganglion 2 learning 2 memory 2 metabolism 2 physiology 2 sensitization 2 Active forgetting 1 Behavior, Animal 1 Conditioning, Classical 1 DNA Methylation 1 DNA methylation 1 Decitabine 1 Enzyme Inhibitors 1 Gene Expression Profiling 1 Latent memory 1 Long-term memory 1 Memory 1 Memory, Long-Term 1 Mental Recall 1 Microelectrodes 1