Related by context. Frequent words. (Click for all words.) 70 olfactory bulb 62 midbrain 62 auditory cortex 60 mammalian brain 60 parietal cortex 59 sensory neurons 58 visual cortex 57 thalamus 57 sensory nerves 57 forebrain 57 dendritic spines 57 orbitofrontal cortex 57 caudate 57 cortex 56 olfaction 56 sensory organs 56 cytosol 56 receptor gene 56 odorants 56 neuronal activity 56 endosomes 55 dentate gyrus 55 parietal 55 chloroplast 55 neuronal cells 54 dendrite 54 biochemically 54 limbic system 54 hypothalamic 54 putamen 54 hypothalamus 54 anterior cingulate 53 caudate nucleus 53 neural tissue 53 medial prefrontal cortex 53 Nerve cells 53 subcortical 53 rhodopsin 53 fibroblast cells 53 cerebellar 53 basal ganglia 53 cortical 53 ventral 52 major histocompatibility complex 52 temporal lobe 52 secretory 52 organelle 52 neuroendocrine 52 receptor protein 52 auditory nerve 52 alkaloid 52 hippocampal 52 sensory input 52 bile acid 52 researchers hypothesize 52 tubules 52 brainstem 52 substantia nigra 51 electrophysiological 51 pineal gland 51 neurones 51 striatum 51 glomeruli 51 ventral striatum 51 trigeminal nerve 51 tyrosine 51 glial cells 51 limbic 51 neuropeptides 51 fMRI scans 51 hippocampus 51 Fig. 1A 51 keratinocytes 51 centrosomes 51 Drosophila melanogaster 51 neurotransmitter acetylcholine 51 mRNA expression 51 Notch signaling 51 sensory stimuli 51 neocortex 51 endoplasmic reticulum 51 Wnt pathway 51 gene expression patterns 51 voxel 51 insula 50 temporal lobes 50 near infrared spectroscopy 50 nucleus accumbens 50 cannabinoid receptors 50 Wnt signaling 50 frontal cortex 50 porphyrin 50 glial 50 amyloid deposits 50 auxin 50 dopamine receptors 50 centrosome 50 neural circuitry 50 biochemical pathways 50 subthalamic nucleus 50 vesicle