Intuition is defined as knowledge based on experience and acquired through sensory contact with the subject, without the 'intuiter' being able to formulate to himself or others exactly how he came to his conclusions. It is based on preverbal, unconscious or preconscious functions. Analogous to dreams formed from the day's residues, intuitive judgments are synthesized from discrete sensory elements ('subliminal perceptions') whose perception and synthesis both take place below the threshold of consciousness. The individual is not only unaware of how he knows something; he may not even know what it is that he knows, but he