Related by context. Frequent words. (Click for all words.) 47 cognitive functioning 46 cognitive 46 cognition 46 cognitive functions 46 attentional 45 cognitive function 44 cognitive abilities 42 auditory 42 temporal 41 stress hormone cortisol 41 impulsivity 41 moods 41 perceptual 40 prefrontal cortex 40 basal ganglia 40 sociability 39 behaviors 39 mental alertness 39 bodily 39 neuropsychological 39 relatedness 38 brain 38 repetitive behaviors 38 frontal cortex 37 sleep disturbances 37 bodily functions 37 circadian rhythms 37 frontal lobes 37 neural 37 synchrony 37 visual stimuli 37 spatial 37 neural pathways 37 temporal lobe 36 mental acuity 36 brain circuitry 36 neurocognitive 36 physiological 36 subjects 36 eg 36 somatic 36 arousal 36 physiological responses 36 daytime sleepiness 36 sensory 36 hippocampus 36 neurochemical 36 frontal lobe 36 depressive symptoms 36 glucose tolerance 36 neural circuits 36 autonomic nervous system 36 neuroticism 35 hippocampal 35 cortisol 35 correlating 35 excitability 35 alertness 35 function 35 associative 35 Brain scans 35 metabolic 35 comprehension 34 sexual arousal 34 mood disorders 34 frequency 34 glucose metabolism 34 cognitive deficits 34 stress hormones 34 cortex 34 ADHD symptoms 34 stimuli 34 brain atrophy 34 striatum 34 nucleus accumbens 34 cerebellum 34 visual cortex 34 interpersonal relationships 34 brainwaves 34 satiety 33 cortical 33 cortisol levels 33 sensory input 33 neuronal 33 tasks 33 dopamine 33 vocalization 33 irritability 33 mood swings 33 behavioral 33 hyperactivity 33 dissociation 32 functions 32 insulin secretion 32 wakefulness 32 impulsive behavior 32 reactivity 32 brains 32 olfactory 32 affective 32 endothelial function