Related by context. Frequent words. (Click for all words.) 74 nucleus accumbens 68 striatum 66 insula 66 basal ganglia 64 amygdala 64 prefrontal cortex 63 hippocampus 62 dopamine receptors 61 hippocampal 60 neuronal activity 59 limbic system 59 dopamine 59 visual cortex 58 hypothalamus 57 neurotransmitter dopamine 57 cortex 57 thalamus 57 frontal cortex 56 chemical dopamine 55 temporal lobe 54 functional magnetic resonance 54 dopaminergic 54 ventral 54 neural circuitry 54 cortical 53 cerebral cortex 53 auditory cortex 53 ghrelin 53 substantia nigra 53 frontal lobe 53 fMRI 53 imaging fMRI 53 olfactory bulb 52 motor cortex 52 neural circuits 52 Dopamine 52 neural 52 electrophysiological 52 vasopressin 51 orexin 51 cerebellum 51 neurotransmitter 50 NPY 50 neurons 50 inhibitory 50 norepinephrine 50 neurones 50 neurochemical 50 brainstem 49 excitatory 49 neurogenesis 49 brain circuitry 49 visual stimuli 49 dopamine neurons 49 Wnt 49 BDNF 49 frontal lobes 49 stimuli 48 neuron 48 neurotransmitters 48 brain 48 attentional 48 glutamate 48 neocortex 48 mirror neurons 48 serotonin 47 neuronal 47 cognition 47 external stimuli 47 chemical serotonin 47 CYP#A# [001] 47 synaptic 47 gene expression patterns 47 PI3K 46 dysregulation 46 cortisol levels 46 brain scans 46 SIRT1 46 autonomic nervous system 46 molecular pathway 46 vagus nerve 46 receptors 46 sexual arousal 46 receptor 45 physiological responses 45 Brain scans 45 biochemical pathways 45 acetylcholine 45 adenosine 45 cognitive functions 45 arousal 45 auditory 45 neural pathways 45 signaling molecules 45 TLR4 45 pineal gland 45 neurobiological 45 beta catenin 45 Hedgehog pathway 45 infarct 45 histone