Related by context. Frequent words. (Click for all words.) 83 neurotransmitters 79 dopamine 75 serotonin 75 glutamate 73 acetylcholine 72 norepinephrine 69 Dopamine 67 hypothalamus 67 BDNF 65 receptors 65 inhibitory 64 adenosine 64 Serotonin 64 neurons 64 GABA 64 receptor 63 signaling molecules 63 ion channels 63 neuronal 63 nucleus accumbens 62 signaling pathway 62 neuron 62 nerve cells 62 synaptic 62 secretion 61 enzyme 61 striatum 60 protein kinase 60 SIRT1 60 hippocampus 60 glial cells 60 leptin 60 thalamus 59 cytokine 59 intracellular 59 astrocytes 59 nitric oxide 59 protein synthesis 59 cytokines 59 histamine 59 Akt 59 synapse 59 cortisol 58 molecule 58 prostaglandins 58 amygdala 58 proteins 58 ghrelin 58 molecular mechanism 58 neural circuits 58 synapses 58 stress hormones 58 neurogenesis 58 factor VEGF 58 signal transduction 58 vagus nerve 58 glucose metabolism 58 thyroid hormone 58 cannabinoid 58 basal ganglia 57 neurones 57 prolactin 57 insulin secretion 57 VEGF 57 neural 57 Leptin 56 hormone 56 mitochondria 56 alpha synuclein 56 lipids 56 signaling pathways 56 protein 56 reactive oxygen species 56 biological pathways 56 tumor suppressor 56 amino acid 56 TGF beta 56 cortex 55 autonomic nervous system 55 neurodegeneration 55 endorphins 55 nerve fibers 55 axon 55 cerebellum 55 mTOR 55 tumor suppressor gene 55 enzymes 55 plasma membrane 55 ion channel 55 adiponectin 54 oxytocin 54 proteases 54 phosphorylation 54 macrophage 54 PI3K 54 heme 54 amyloid beta 54 biosynthesis 54 transcription factor 54 transcription factors 54 modulates