spinal anesthesia illusion

spinal anesthesia illusion (spīˑ·nl a·ns·thēˑ·zh i·lōōˑ·zhn),

n form of hypnosis used to induce numbness in individuals undergoing surgery; the individual is instructed to focus on counting or on a specific image, and as deep relaxation sets in, the practitioner suggests that numbness will gradually take over the patient's body. Once the surgical procedure is complete, another suggestion is given that sensation will gradually return to the patient's body.