The more aristocratic illusion concerning the unlimited penetrative power of intellectual thought has as its counterpart the more plebeian illusion of naive realism, according to which things 'are' as they are perceived by us through our senses.

Hypnosis is a procedure during which a health professional or researcher suggests that a client, patient, or subject experience changes in sensations, perceptions, thoughts, or behavior. The hypnotic context is generally established by an induction procedure.