Related by context. Frequent words. (Click for all words.) 65 stimuli 64 sensory input 64 visual cortex 62 external stimuli 58 auditory 55 visual cues 54 neuronal activity 52 perceptual 52 brainstem 52 neurons 51 neural 51 attentional 51 neural circuits 51 cortex 50 physiological responses 50 fMRI 49 sensory 49 facial expressions 49 neurones 49 vocalizations 48 basal ganglia 48 brainwaves 48 striatum 48 brain circuitry 48 multisensory 48 visual 48 cognition 48 neural networks 47 unconsciously 47 neural pathways 47 physiologically 47 neuron 47 arousal 47 nonverbal 46 amygdala 46 physiological 46 autonomic nervous system 46 olfactory 46 hippocampus 45 imaging fMRI 45 prefrontal cortex 45 hippocampal 45 cognitive 45 Neurons 45 ghrelin 45 verbal cues 44 cerebral cortex 44 inhibitory 44 neurochemical 44 neuronal 44 nucleus accumbens 44 neocortex 44 functional magnetic resonance 44 behaviorally 44 visually 44 instinctual 44 frontal cortex 44 sexual arousal 43 cognitive functions 43 cortisol 43 directionality 43 cerebellum 43 dopamine 43 cortical 43 REM sleep 43 stimulation 43 temporal lobe 43 synapses 43 subconscious 43 retinal cells 43 limbic system 43 thalamus 43 brain 43 photoreceptors 43 electrical impulses 42 neuroendocrine 42 spatial 42 nerve impulses 42 vocalization 42 physiologic 42 brain scans 42 mice 42 muscle contractions 42 synchrony 42 pheromones 42 circadian 42 cognitive abilities 42 hypothalamus 42 circadian rhythms 42 emotionality 42 echolocation 41 plasticity 41 vasopressin 41 serotonin 41 subconscious mind 41 reflex 41 neurologically 41 mathematical concepts 41 geometric patterns 41 ventral 41 geometric shapes