Related by context. Frequent words. (Click for all words.) 60 neurotransmitter serotonin 57 neurotransmitter dopamine 57 synaptic plasticity 57 brain derived neurotrophic 54 dopamine 54 cannabinoid receptors 54 noradrenaline 54 cell signaling pathway 54 neurotransmitter 54 protein kinase C 54 Oxidative stress 53 aromatase 53 acetylcholine 53 dopamine receptor 53 DISC1 53 anandamide 53 endocannabinoid system 53 chemical dopamine 52 tau protein 52 glutamate 52 NMDA receptor 52 biochemical pathways 52 dopaminergic neurons 52 endocannabinoids 52 neuropeptides 52 neural tissue 51 thyroid hormones 51 alkaloid 51 dopamine neurons 51 neurotransmitters 51 basal ganglia 51 cholinergic 51 nucleus accumbens 51 MAPK 51 phenylalanine 51 Wnt signaling 51 neuroendocrine 51 homeostatic 51 vasopressin 50 dopaminergic 50 neuronal cell 50 SOD1 50 neuropeptide 50 cholesterol metabolism 50 hormone cortisol 50 striatum 50 enzymatic activity 50 sensory nerves 50 Oestrogen 50 biochemical pathway 50 Glutamate 50 steroid hormones 50 substantia nigra 50 glial cells 49 neuronal activity 49 Wnt pathway 49 cell signaling pathways 49 caspases 49 BDNF 49 motor neuron 49 chemical serotonin 49 insulin receptors 49 Nitric oxide 49 tyrosine 49 NF kB 49 astrocyte 49 neurotransmission 49 serotonergic 49 HSP# 49 retinoic acid 49 aldosterone 49 NF kappaB 48 signaling cascade 48 NMDA receptors 48 opioid receptors 48 cellular pathways 48 putamen 48 midbrain 48 clusterin 48 signaling pathway 48 osteocalcin 48 osteopontin 48 SIRT1 48 nerve cells 48 oligodendrocytes 48 signal transduction 48 hormone leptin 48 Wnt 48 signaling molecules 48 glia 48 arachidonic acid 48 neuronal cells 48 inhibitory 48 dysregulated 48 NPY 47 ventral striatum 47 orexin 47 neurones 47 cannabinoids 47 dendritic spines 47 neurogenesis