Related by context. Frequent words. (Click for all words.) 55 synaptic plasticity 54 baclofen 54 acamprosate 53 vitro experiments 53 corticosterone 52 nonhuman primates 52 scopolamine 52 L dopa 52 Combination therapy 52 dopamine receptor 52 genetically altered mice 52 NKT cells 51 theophylline 51 humans 51 GPR# [002] 51 glutamate receptors 50 interferon gamma 50 metabolic pathway 50 naloxone 50 nicotinamide 50 endocannabinoid system 50 Toxoplasma 50 glucocorticoid 50 platelet activation 50 vitro studies 50 Oxytocin 50 hydralazine 49 valproic acid 49 neural mechanisms 49 gabapentin 49 Wolbachia 49 PGE2 49 noradrenaline 49 serotonergic 49 BDNF 49 ramelteon 49 genetic alteration 49 simian immunodeficiency virus 49 vasopressin 49 asexual reproduction 49 glucocorticoids 49 dopamine receptors 48 nicotinic acid 48 neurotransmitter serotonin 48 calcitriol 48 habituation 48 ribozyme 48 orexin 48 cannabinoid receptors 48 Ghrelin 48 interferon therapy 48 neurochemical 48 ziprasidone 48 neurogenesis 48 Notch signaling 48 cholinergic 47 anandamide 47 pharmacologically 47 astrocyte 47 protein kinase C 47 NMDA receptor 47 tricyclic antidepressants 47 venlafaxine 47 methylphenidate 47 fluoxetine 47 allicin 47 molecular mechanisms underlying 47 protein misfolding 47 mice 46 PPAR gamma 46 genotypic 46 biochemically 46 immunologically 46 vasodilator 46 neurochemistry 46 brain circuitry 46 GDNF 46 hormone oxytocin 46 Lactobacillus 46 gut microbes 46 sirtuin 46 mutualism 46 NMDA receptors 46 adenosine 46 mutant strains 46 FGF# 46 genetic variability 46 prosocial 46 neuropeptides 46 rapamycin 46 IFN gamma 46 indomethacin 46 nematode worms 46 clusterin 46 norepinephrine 46 dopamine neurons 46 retinoic acid 45 N methyl 45 PYY 45 APOE4 45 phenobarbital