According to the American Psychological Association's Cutting Up 30, hypnosis may bring about "...changes in subjective experience, alterations in perception, sensation, emotion, thought or behavior." The invigorating state http://www.successfulhypnotherapy.com/ may also facilitate adjustment in the body: it beat been successfully used as a treatment for irritable bowel syndrome, as an alternative to chemical anaesthesia, and it has been studied as a groove to soothe skin ailments.

In his book The Hidden Persuaders (1957) Vance Packard described research on housewives in supermarkets in the 1950s. Abstruse cameras measured shoppers' blinking as they compared items, and the study's creators hypothesized that shoppers would blink exceeding when calculating which product was cheapest. Instead, the housewives' blinking patterns indicated that the women were probably shopping in a state of trance. This led manufacturers to product new brands of detergent to compete with their own, existing brands: the primary differences were in the packaging.[page # needed]