Related by context. Frequent words. (Click for all words.) 71 cognitive 65 cognition 64 cognitive functioning 61 basal ganglia 61 prefrontal cortex 60 cognitive functions 60 impulsivity 59 neural circuits 58 perceptual 58 cognitive abilities 57 neurobiological 57 cognitive deficits 57 brain circuitry 56 frontal lobe 56 striatum 56 frontal cortex 56 inhibitory 55 neural 55 frontal lobes 54 cortical 54 cortex 54 cognitive function 53 daytime sleepiness 53 glucose metabolism 53 neuronal 53 synaptic 53 auditory 52 cerebellum 52 circadian 52 repetitive behaviors 52 cognitively 52 Cognitive 51 hippocampus 51 visual cortex 51 cognitive impairments 51 neuropsychological 51 imaging fMRI 51 insulin secretion 51 brain 51 impulsive behavior 51 temporal lobe 51 dopamine 50 neural pathways 50 plasticity 50 sleep disturbances 50 physiological 50 ADHD symptoms 49 amygdala 49 neurons 49 ASDs 49 depressive symptoms 49 cognitive behavioral 49 Brain scans 49 neurogenesis 49 stress hormone cortisol 49 metabolic 49 brainstem 49 circadian rhythms 49 serotonin 49 excitability 48 autonomic nervous system 48 neurones 48 sensory 48 neurotransmitter 48 fMRI 48 cortisol levels 48 brain scans 48 neural networks 47 phenotypes 47 glutamate 47 nonverbal 47 neuroimaging 47 stimuli 47 brains 47 BDNF 47 reading comprehension 47 hyperactivity 47 cognitive impairment 47 sleepiness 47 physiologic 46 arousal 46 behavioral 46 cortisol 46 mutant mice 46 synapses 46 REM sleep 46 acetylcholine 46 disorder ADHD 46 thalamus 46 ADHD 46 synapse 46 impulsiveness 46 cognitive dysfunction 46 functional magnetic resonance 45 multitask 45 cerebral cortex 45 interpersonal 45 glucose tolerance 45 psychopathology 45 neurological 45 insula