nonhuman 6 Article 4 Learning 4 animal experiment 4 conditioning 4 controlled study 4 learning 4 place preference 4 stimulus response 4 Alarm-pheromone 2 Associative 2 Caffeine 2 Cocaine 2 Consolidation 2 Drd1a gene 2 Drd2 gene 2 Egr1 gene 2 FosB gene 2 Immediate-early genes 2 Memory 2 NF-κB 2 Non-associative 2 Npas4 gene 2 Nucleus accumbens 2 Plasticity 2 Prefrontal cortex 2 Reconsolidation 2 Transcription factors 2 Triatominae 2 Triatomines 2