Related by context. Frequent words. (Click for all words.) 63 circadian clock 60 circadian clocks 59 pineal gland 55 midbrain 55 neuronal activity 54 hypothalamus 54 autonomic nervous system 54 circadian rhythms 54 circadian 53 forebrain 53 hypothalamic 53 sensory organs 53 contractile 52 mammalian brain 52 histone modifications 51 dentate gyrus 51 limbic system 51 oscillatory 51 circadian rhythm 51 sensory nerves 51 basal ganglia 51 cellular metabolism 51 auditory cortex 51 neurones 51 sensory neurons 50 biochemical processes 50 evolutionarily conserved 50 signaling molecules 50 limbic 50 cranial nerves 50 peripheral tissues 50 ciliary 50 homeostatic 50 subcortical 50 dysregulated 50 sensorimotor 50 neuroendocrine 49 chloroplast 49 nematode worms 49 Neuronal 49 olfactory bulb 49 signal transduction 49 neural circuits 49 hormone melatonin 49 Nerve cells 49 Notch signaling 49 electrical conduction 48 interneurons 48 adaptive immunity 48 major histocompatibility complex 48 CD8 T 48 signaling molecule 48 thalamus 48 endocannabinoid system 48 reproductive hormones 48 primary visual cortex 48 nerve impulses 47 taste receptors 47 spermatogenesis 47 homolog 47 parasympathetic 47 fruit fly Drosophila 47 oscillations 47 metabolically active 47 biological clocks 47 mammalian 47 arousals 47 metabolic processes 47 neural tissue 47 excitatory 47 synchrony 47 hippocampal 47 enzymatic activity 47 cerebellar 47 neural pathways 46 mRNA expression 46 multicellular organisms 46 noradrenaline 46 neural circuitry 46 ion channels 46 excitability 46 sensory stimuli 46 regulate gene expression 46 sensory inputs 46 skeletal muscles 46 neuropeptide 46 secretory 46 subcellular 46 neurochemicals 46 glomeruli 46 Supplementary Fig 46 transmembrane 46 ganglion 46 cortex 46 CXCL# 46 chromosomal regions 45 vitamin D receptor 45 olfaction 45 neurons 45 serotonin receptor 45 molecular pathways