Related by context. Frequent words. (Click for all words.) 65 hippocampal 65 hippocampus 63 basal ganglia 62 parietal 62 cortical 62 temporal lobe 60 temporal lobes 59 cerebral cortex 58 parietal lobe 58 neocortex 58 cortex 57 prefrontal 57 corpus callosum 56 striatum 56 visual cortex 56 frontal cortex 56 midbrain 55 prefrontal cortex 55 substantia nigra 55 frontal lobes 55 limbic system 55 auditory cortex 54 forebrain 54 cerebellum 54 frontal lobe 54 amygdala 52 tau protein 52 thalamus 51 brain 51 voxel 51 limbic 50 myocardium 50 cognition 50 synaptic plasticity 50 nucleus accumbens 49 neuronal 49 cognitive functions 49 brainstem 49 infarct 49 synapses 49 neurons 49 ventral 48 plasticity 48 neuron 48 anterior cingulate cortex 48 neuronal cell 48 neuronal activity 48 cerebrum 47 neural circuits 47 neural circuitry 47 NMDA receptors 47 neural mechanisms 47 motor cortex 47 synaptic 47 neurones 47 neurogenesis 46 NMDA receptor 46 Broca 46 photoreceptor 46 cognitive 46 nerve cells 46 neural pathways 46 insula 46 neural connections 46 olfactory bulb 46 neural 46 neuronal cells 45 endoplasmic reticulum 45 macular 45 macula 45 perceptual 45 cognitively normal 45 organelle 45 pineal gland 45 axonal 45 stroma 45 vasculature 45 intron 45 photoreceptors 44 Abnormalities 44 electrophysiological 44 extracellular 44 acetylcholine 44 cholinergic 44 REM sleep 44 neurodegeneration 44 epithelium 44 attentional 44 dopaminergic 44 BDNF 44 synapse 43 sensory neurons 43 dysregulation 43 synaptic connections 43 biochemical pathways 43 dopamine receptors 43 astrocytes 43 axons 43 mRNA expression 43 chromatin 43 glia