ESP a priori knowledge anticipation buddhi chromesthesia clairsentience clairvoyance color hearing direct apprehension extrasensory perception five senses foresight hearing immediate cognition insight inspiration intuition intuitionism intuitive reason intuitiveness intuitivism knowledge without thought lucidity phonism photism precognition premonition psychometry receptor satori second sight second-sightedness sense organ senses sensillum sensorium sensory organ sight smell subconscious knowledge subconscious perception synesthesia taste touch unmediated perception