Related by context. Frequent words. (Click for all words.) 57 frontal cortex 57 frontal lobes 57 frontal lobe 55 prefrontal cortex 55 basal ganglia 54 temporal lobes 54 cerebral cortex 53 prefrontal 53 parietal cortex 53 cortex 52 limbic 52 brain 51 cerebellum 51 mammalian brain 51 brains 50 orbitofrontal cortex 50 cognitive 50 neocortex 50 parietal 49 cerebrum 49 cognition 49 neural circuitry 49 corpus callosum 49 forebrain 49 neural tissue 49 neurochemistry 49 dendritic spines 49 temporal lobe 49 neurotransmission 48 cognitive functioning 48 attentional 48 hippocampal 48 abstract reasoning 48 brain circuitry 48 hippocampus 48 visual cortex 48 limbic system 48 pineal gland 47 cerebellar 47 macula 47 cortical 47 neural mechanisms 47 neuronal activity 47 neurofibrillary tangles 47 midbrain 47 cholesterol metabolism 47 neurophysiology 47 Oxidative stress 47 cognitive functions 47 tau protein 46 distractibility 46 synaptic connections 46 neural pathways 46 homeostatic 46 skeletal muscles 46 brainstem 46 perceptual 46 neural 46 demyelination 46 anterior cingulate cortex 46 overactivity 46 neural connections 46 parietal lobe 45 neuroplasticity 45 cerebral 45 autonomic nervous system 45 plasticity 45 auditory processing 45 neural circuits 45 amygdala 45 synaptic plasticity 45 myelination 45 cognitive abilities 44 dysregulation 44 macular 44 nonverbal communication 44 cholinergic 44 auditory cortex 44 amyloid protein 44 brain plasticity 44 Insulin resistance 44 neurocognitive 43 myelin 43 dentate gyrus 43 psychical 43 extraversion 43 anatomical structures 43 sensory perception 43 neural networks 43 neurones 43 hypothalamic 43 psychomotor 43 neurophysiological 43 occipital 43 glucose metabolism 43 Abnormalities 43 synapses 43 biochemical pathways 43 neuropathology 43 thalamus 43 nerve cells