Related by context. Frequent words. (Click for all words.) 62 auditory cortex 56 auditory nerve 54 visual cortex 53 neuronal activity 53 auditory 53 midbrain 53 cortex 52 cochlear 52 brain circuitry 51 sensory input 51 forebrain 51 visual stimuli 51 neural 50 cochlea 50 neural pathways 50 brain 50 neurons 50 brainstem 49 mammalian brain 49 thalamus 49 olfactory bulb 49 photoreceptors 48 frontal cortex 48 basal ganglia 48 neural circuitry 48 neural connections 48 striatum 48 neurones 47 neuron 47 hippocampal 47 hypothalamus 47 synapses 47 nerve cells 47 temporal lobe 46 olfaction 46 dendrite 46 NMDA receptors 46 auditory processing 46 mirror neurons 46 neural circuits 46 cerebellar 46 limbic 46 vestibular 46 synaptic 46 sensory neurons 46 cerebral cortex 46 synapse 45 hippocampus 45 synaptic connections 45 neurotransmitters 45 vagus nerve 45 dopamine 45 hormone leptin 45 astrocyte 45 motor cortex 45 olfactory 44 cortical 44 orbitofrontal cortex 44 limbic system 44 neurotransmitter dopamine 44 neurochemical 44 pineal gland 44 signaling molecules 44 nerve regeneration 44 corpus callosum 44 endocytosis 44 dentate gyrus 44 glial cells 44 NKT cells 44 cerebellum 44 vocalizations 44 neurophysiological 44 substantia nigra 43 glutamate 43 dopamine receptors 43 tau protein 43 biochemically 43 tubules 43 neurotransmitter 43 nerve endings 43 neuronal cells 43 synaptic plasticity 43 prefrontal cortex 43 neuroendocrine 43 RNA molecule 43 myelination 43 phonemes 43 ventral striatum 43 retinal cells 43 neurophysiology 43 electrical impulses 43 oligodendrocytes 43 temporal lobes 43 transduction 43 nerve impulses 43 neural mechanisms 43 nerve fibers 43 insula 42 dopamine neurons 42 biological molecules 42 calcium ions