Related by context. Frequent words. (Click for all words.) 68 visual cortex 63 neuronal activity 62 midbrain 62 olfactory bulb 61 auditory cortex 61 sensory input 60 thalamus 60 mammalian brain 60 cortex 59 visual stimuli 59 neural circuitry 59 neurons 58 photoreceptors 58 neural 58 pineal gland 57 striatum 57 dentate gyrus 57 temporal lobe 57 nerve cells 57 basal ganglia 57 orbitofrontal cortex 57 neural pathways 57 mirror neurons 57 temporal lobes 57 cochlea 57 brainstem 56 electrophysiological 56 sensory neurons 56 neuron 56 external stimuli 56 parietal 56 brain circuitry 55 electrical impulses 55 photonic crystal 55 astrocyte 55 neural mechanisms 55 neurones 55 nerve impulses 55 cerebral cortex 55 hippocampal 55 cerebellar 55 neuroplasticity 55 cerebellum 55 frontal cortex 54 auditory nerve 54 photoreceptor 54 neocortex 54 perceptual 54 hypothalamus 54 hippocampus 54 auditory 54 retinal cells 54 neural circuits 54 cortical 53 prefrontal 53 hypothalamic 53 neurotransmitter dopamine 53 prefrontal cortex 53 limbic system 53 autonomic nervous system 53 limbic 53 Neurons 53 biological molecules 53 synesthesia 53 hormone leptin 53 optically 52 brain 52 NMDA receptors 52 optic nerves 52 forebrain 52 ventral 52 neuronal cells 52 plasticity 52 epigenome 52 cognition 51 retina 51 sensory 51 synapses 51 noradrenaline 51 alternative splicing 51 sensory perception 51 sensory stimulation 51 synaptic plasticity 51 auxin 51 cochlear 51 vestibular 51 brain plasticity 51 RNA molecule 51 calcium ions 51 nerve fibers 50 Abnormalities 50 parietal lobe 50 neuronal 50 voxel 50 circuitry 50 imaging fMRI 50 excitatory 50 inhibitory 50 amygdala 50 synapse 50 dendrites