Related by context. Frequent words. (Click for all words.) 68 sensory input 61 external stimuli 60 visual stimuli 56 auditory 56 nerve impulses 53 neural mechanisms 52 visual cortex 52 sensory 52 stimuli 51 spatial 51 sensory neurons 51 neural circuits 51 neuroendocrine 51 neural 51 cortex 50 physiological 50 physiologic 50 limbic system 50 neural circuitry 50 auditory cortex 50 perceptual 50 basal ganglia 50 olfactory bulb 49 midbrain 49 forebrain 49 Neurons 49 neurones 49 homeostatic 49 limbic 48 neuronal activity 48 neural pathways 48 auditory processing 48 phenotypes 48 kinesthetic 48 autonomic nervous system 48 brainstem 48 neurons 48 cochlea 48 electrical impulses 48 biochemical processes 47 auditory nerve 47 mirror neurons 47 stroma 47 neural networks 47 visual cues 47 signaling molecules 47 motor cortex 47 temporal lobes 47 nerve cells 46 olfactory 46 neuroplasticity 46 neuron 46 sensory stimulation 46 cerebellar 46 vestibular 46 biochemical reactions 46 phonemes 46 brain circuitry 46 multisensory 46 perturbations 46 interrelate 45 temporal 45 cognition 45 physiological responses 45 echolocation 45 astrocyte 45 cortical 45 noradrenaline 45 epigenome 45 motor neuron 45 biological pathways 45 metabolic processes 45 habituation 45 neuronal 45 peripheral nerves 45 visual stimulation 45 metabolic abnormalities 45 visual 45 neurochemical 44 spatially 44 temporal lobe 44 spiritual beings 44 hypothalamus 44 excitatory 44 cochlear 44 pineal gland 44 waveforms 44 attentional 44 inhibitory 44 voxel 44 dentate gyrus 44 muscle contractions 44 autonomic 44 nerve fibers 44 amygdala 44 adaptively 44 thalamus 44 parietal lobe 44 waveform 44 auditory hallucinations 44 chemical messengers