Related by context. Frequent words. (Click for all words.) 69 frontal cortex 68 prefrontal cortex 66 frontal lobe 64 cortex 64 frontal lobes 62 limbic system 62 cerebellum 61 basal ganglia 60 parietal 59 cerebral cortex 59 limbic 59 brain 59 hippocampus 59 prefrontal 58 amygdala 58 neural circuitry 58 temporal lobe 58 insula 57 nucleus accumbens 57 forebrain 57 hypothalamus 56 neural circuits 56 midbrain 56 striatum 56 pineal gland 56 anterior cingulate cortex 55 corpus callosum 54 thalamus 54 neocortex 54 brain circuitry 54 neural pathways 54 cortical 53 noradrenaline 53 dopamine receptors 53 visual cortex 53 attentional 52 sensory input 52 vagus nerve 52 axon 52 homeostatic 52 neurotransmitter dopamine 52 auditory cortex 52 substantia nigra 52 chemical serotonin 52 nerve cells 52 NMDA receptors 51 sensory neurons 51 brainstem 51 brain derived neurotrophic 51 synapse 51 autonomic nervous system 51 hippocampal 51 neuronal activity 50 motor cortex 50 cochlea 50 external stimuli 50 ventral 50 vasopressin 50 nerve endings 50 skeletal muscles 50 excitatory 50 neurotransmitter 50 neuron 50 circuitry 50 neurons 50 neural mechanisms 50 inhibitory 49 synaptic plasticity 49 neuroendocrine 49 nerve fibers 49 synapses 49 abdominal organs 49 dopamine neurons 49 brains 49 cognitive functions 49 neural 48 NPY 48 cognition 48 chemical dopamine 48 olfactory bulb 48 mirror neurons 48 dopamine 48 neuro 48 chemical messengers 48 neurones 48 neurotransmitters 48 auditory nerve 48 adrenal gland 48 macula 48 sexual arousal 48 glial cells 48 sebaceous glands 48 neurochemical 48 epithelium 47 neuroplasticity 47 imaging fMRI 47 Dopamine 47 nerve impulses 47 tau protein 47 Abnormalities 47 oligodendrocytes