Related by context. Frequent words. (Click for all words.) 49 mitochondrial dysfunction 47 abnormalities 46 synapses 45 dentate gyrus 45 PrP 45 biochemical pathways 45 astrocyte 44 photoreceptor 44 visual cortex 44 glial cells 44 nuclei 44 neuron 43 biological molecules 43 lymphatic vessels 43 mirror neurons 43 neurones 43 skeletal muscles 43 neuronal activity 43 auditory nerve 43 Neurons 42 genetic mutations 42 RNA molecules 42 cerebellar 42 synapse 42 neurons 42 molecular pathways 42 synaptic plasticity 42 midbrain 41 dendrites 41 neural networks 41 neural circuitry 41 germ cells 41 beta amyloid protein 41 pancreatic cells 41 protein complexes 41 neural 41 neural pathways 41 cell membranes 41 organelle 41 nerve cells 40 molecular pathway 40 optic nerves 40 SIRT1 40 proteins 40 AMPK 40 biochemically 40 retinal cells 40 synaptic connections 40 neural mechanisms 40 tumor suppressor genes 40 serotonin receptors 40 cerebral cortex 40 auxin 40 dendrite 40 molecules 40 sensory neurons 40 muscle fibers 40 magnetic fields 40 myelination 40 dimers 39 DNA strands 39 organelles 39 photons 39 neural circuits 39 hippocampal 39 brain circuitry 39 photoreceptors 39 metabolic pathways 39 osteoblasts 39 peripheral nerves 39 dendritic 39 astrocytes 39 steroid hormones 39 cilia 39 muscle contractions 39 neural connections 39 biochemical pathway 39 filaments 39 brain 39 cortical 39 signaling molecules 39 axon 39 auditory cortex 39 alpha synuclein 39 subclinical 39 tau protein 39 Aβ 38 E cadherin 38 olfactory bulb 38 cerebellum 38 capillaries 38 brainstem 38 enzyme telomerase 38 genetic defects 38 cortex 38 neurogenesis 38 retinas 38 nerve endings 38 hypothalamic 38 neuronal cells 38 metabolic