Related by context. Frequent words. (Click for all words.) 65 sensory input 65 sensory 61 sensory perception 61 visual stimuli 60 external stimuli 59 synaesthesia 59 senses 59 perceptual 58 sensorial 58 neural pathways 57 olfaction 57 auditory 57 synesthesia 57 physiological 57 numinous 56 sensory stimulation 56 sensory nerves 56 neurochemistry 55 cognition 55 physiological responses 55 olfactory 55 neural circuits 54 neural mechanisms 54 neural 54 proprioception 54 neurophysiological 54 stimuli 54 visual stimulation 54 subconscious mind 54 neural circuitry 53 visual 53 visual cortex 52 distractibility 52 unconsciously 52 odorants 52 kinesthetic 52 phenomenology 52 psychical 52 habituation 52 subconscious 51 brain circuitry 51 electrophysiological 51 neuronal activity 51 phenomenological 51 limbic 50 moods 50 neurochemical 50 plasticity 50 olfactory bulb 50 cognitive 50 multisensory 50 lucid dreaming 50 sensations 50 mirror neurons 50 neurones 50 subtleties 50 visual cues 50 vibrational 50 physiologic 49 tactility 49 optical illusions 49 synapses 49 mutability 49 photosensitivity 49 pineal gland 49 tactile 49 auras 49 nanoscale structures 49 inner selves 49 EEGs 49 neural networks 49 arousal 49 satiation 49 iridescence 48 brain 48 aversions 48 autonomic nervous system 48 physiology 48 vestibular 48 sensory neurons 48 neurons 48 texture 48 cognitive abilities 48 aloneness 48 cortex 48 neurophysiology 48 facial expressions 48 auditory processing 48 exquisitely sensitive 48 taste buds 48 rhodopsin 48 bodily 48 parietal cortex 48 limbic system 47 cognitive functions 47 neuroplasticity 47 nerve impulses 47 biological molecules 47 hallucinations 47 sexual arousal 47 neurotransmitter dopamine