Related by context. Frequent words. (Click for all words.) 73 neural 72 neurons 67 neuronal 67 neuron 64 synapses 64 nerve cells 62 neural networks 62 molecular mechanism 62 cortex 61 visual cortex 61 ion channels 61 signaling pathways 61 molecular mechanisms 61 synapse 60 plasticity 60 synaptic 59 prefrontal cortex 59 genes 59 cortical 59 biological pathways 58 brain 58 neurogenesis 58 receptors 58 signaling pathway 58 neurotransmitter 58 signaling molecules 58 striatum 58 brainstem 58 cognitive functions 58 inhibitory 57 microRNAs 57 hippocampus 57 gene expression 57 neurotransmitters 57 hypothalamus 57 cognition 56 neurobiology 56 proteins 56 physiological 56 amygdala 55 miRNAs 55 phenotypes 55 transcription factors 55 dopamine 54 cognitive 54 neuroscientists 54 insula 54 nerve fibers 53 gene 53 Drosophila 53 motor neurons 53 circadian 53 cognitive deficits 53 glutamate 53 cerebellum 53 circuitry 53 C. elegans 53 RNA molecules 53 stimuli 53 circadian clock 53 pathways 52 SIRT1 52 perceptual 52 ion channel 52 BDNF 52 frontal lobes 52 serotonin 52 frontal lobe 52 molecular 52 metabolic 52 astrocytes 51 Brain scans 51 thalamus 51 auditory 51 circadian rhythms 51 cognitive functioning 51 photoreceptors 51 mitochondria 51 microRNA 51 skeletal muscle 51 gene variants 51 protein synthesis 51 RNAs 51 brains 51 epigenetic 51 cerebral cortex 50 molecules 50 axon 50 neurodegeneration 50 fMRI 50 mitochondrial 50 receptor 50 genetic variants 50 physiologic 50 neural stem cells 50 sensory 50 protein folding 50 knockout mice 49 acetylcholine 49 physiology 49 cytoskeleton