Related by context. Frequent words. (Click for all words.) 67 frontal lobe 65 brain 63 prefrontal cortex 63 basal ganglia 63 neural circuitry 61 frontal lobes 61 midbrain 61 cerebellum 60 cortex 60 frontal cortex 60 temporal lobes 60 cerebral cortex 60 autonomic nervous system 59 prefrontal 59 neural circuits 59 limbic system 58 temporal lobe 58 neuronal activity 57 brainstem 57 visual cortex 57 pineal gland 57 homeostatic 57 neural mechanisms 57 neural pathways 56 brain circuitry 56 amygdala 56 limbic 56 thalamus 56 neural 56 parietal lobe 56 nerve cells 55 skeletal muscles 55 hippocampus 55 parietal 55 cortical 55 insula 55 synaptic plasticity 55 NMDA receptors 55 dentate gyrus 54 peripheral nerves 54 anterior cingulate cortex 54 neurotransmitter dopamine 54 forebrain 54 hypothalamus 54 cognitive functions 53 striatum 53 astrocyte 53 chemical serotonin 53 vagus nerve 53 dopamine neurons 53 noradrenaline 53 hippocampal 53 neurons 53 cerebrum 53 cognition 53 neuroendocrine 53 Oxidative stress 53 nerve fibers 52 substantia nigra 52 cerebellar 52 neural networks 52 auditory cortex 52 brain plasticity 52 neuron 52 macula 52 corpus callosum 52 neuroplasticity 52 neurones 51 biochemical pathways 51 brains 51 optic nerve 51 biochemical pathway 51 cholinergic 51 structural abnormalities 51 sensory input 50 neurotransmitter 50 motor neuron 50 hormone leptin 50 tau protein 50 nerve impulses 50 cognitive 50 neurotransmitters 50 dopamine receptors 50 neurophysiology 50 attentional 50 degenerative disorder 50 axon 50 dopamine 50 neural connections 50 biochemical processes 50 myelin sheath 49 Brain scans 49 auditory nerve 49 mirror neurons 49 signaling molecules 49 sensory neurons 49 dopaminergic 49 neuronal 49 motor cortex 49 inhibitory 49 synapse