Related by context. Frequent words. (Click for all words.) 74 frontal lobe 73 frontal lobes 73 amygdala 72 cortex 69 visual cortex 68 hippocampus 67 cerebellum 66 cerebral cortex 64 thalamus 64 striatum 63 cortical 62 insula 62 hypothalamus 60 brain 59 cognitive functions 59 brainstem 57 neural 56 neurons 56 cognition 56 neuron 55 dopamine 55 cognitive 55 brains 54 cognitive functioning 54 neuronal 54 inhibitory 54 synapses 53 neurotransmitter 53 synaptic 52 impulsivity 52 nerve cells 52 macula 51 perceptual 50 BDNF 50 synapse 50 Brain scans 50 imaging fMRI 49 serotonin 49 norepinephrine 49 auditory 49 plasticity 49 functional magnetic resonance 48 glutamate 48 neurogenesis 48 neurotransmitters 47 glucose metabolism 47 cognitive abilities 47 fMRI 47 Dopamine 47 neural networks 47 brain scans 46 cortisol 46 nerve fibers 46 neurobiological 46 overactive 46 cognitively 46 cortisol levels 46 circuitry 45 neurodegeneration 45 acetylcholine 45 cognitive deficits 45 GABA 45 olfactory 45 circadian 44 axon 44 schizophrenics 44 cochlea 44 X chromosome 44 optic nerve 44 Neurons 44 Cognitive 44 ghrelin 44 stimuli 44 cognitive function 44 dorsal 44 mood disorders 44 REM sleep 43 impulsive 43 gene expression 43 myelin 43 leptin 43 retina 43 receptors 43 neurobiology 43 SIRT1 43 oxytocin 43 adiponectin 42 neuroimaging 42 sensory 42 amyloid beta 42 signaling pathways 42 axons 42 Neurobiology 42 journal Neuron 42 receptor 41 astrocytes 41 neuroscientists 41 arousal 41 amyloid plaques 41 impulsiveness 41 stress hormones