You searched for: “convulsive shock therapy
convulsive shock therapy, electroconvulsive shock therapy, ECT, electroshock therapy (s) (noun); convulsive shock therapies, electroconvulsive shock therapies, ECTs, electroshock therapies (pl)
A treatment in which convulsions are induced by passing a low-voltage alternating electric current through the brain.

The use of such a technique is used in psychology, or psychiatry, to treat severe psychiatric disorders.