Related by context. Frequent words. (Click for all words.) 73 hippocampus 73 prefrontal cortex 68 cortex 66 temporal lobe 66 thalamus 65 visual cortex 65 hypothalamus 65 cortical 64 insula 63 striatum 63 cerebral cortex 62 frontal lobe 61 BDNF 60 neural 59 cerebellum 59 neurons 59 dopamine 58 neurotransmitter 58 neuron 58 brain circuitry 58 inhibitory 57 neuronal 56 serotonin 56 frontal lobes 55 synapses 55 brainstem 55 functional magnetic resonance 55 brain 54 fMRI 54 synapse 53 norepinephrine 53 synaptic 52 cortisol 52 neurotransmitters 52 glutamate 52 cognition 52 stress hormones 52 neurogenesis 51 Brain scans 51 ghrelin 51 glucose metabolism 51 nerve cells 51 impulsivity 51 cortisol levels 51 Dopamine 51 receptors 50 imaging fMRI 49 stress hormone cortisol 49 SIRT1 49 astrocytes 49 neurones 49 Akt 49 oxytocin 48 brain scans 48 signaling molecules 48 GABA 48 adrenal gland 48 arousal 48 receptor 48 cognitive 48 auditory 47 vagus nerve 47 leptin 47 somatic 47 stimuli 47 cognitive functions 47 overactive 47 gene 47 glial cells 47 transcription factors 47 anxiety disorders 47 journal Neuron 47 visceral fat 47 phenotype 46 neural networks 46 Neurons 46 acetylcholine 46 tumor suppressor 46 olfactory 46 nerve fibers 46 axon 46 brains 46 adiponectin 46 neurodegeneration 46 signaling pathway 46 inhibition 45 phenotypes 45 ion channels 45 amyloid beta 45 sexual arousal 45 X chromosome 45 plasticity 45 Nature Neuroscience 45 neurobiological 45 Neuron 45 gene expression 45 mood disorders 45 sleep disturbances 45 miRNAs 44 REM sleep 44 physiological