ocr: The hastoryottypaotsm ypnotism,a5: a scientitic practice, dates back to the zarly 18th - century. A Viennese physician namedi rranz flesmer(1734-1815) first introduceda therapeutic nethod that iduced: patients ito a sleep-like state. Mesmerusedthe cermi animalmagnetism' to lescribe what he believedwas the torce behindhis - abilityto put patients ito a trance.Despite some Pparent success, his work was challengedbyt the prevailing medicaland scientific community,