The International Society for ECT and Neurostimulation (ISEN), formerly the Association for Convulsive Therapy (ACT), was established in 1976 and incorporated as a nonprofit, tax exempt corporation in 1993. ISEN is an international organization dedicated to promoting the safe, ethical and effective use of Electroconvulsive Therapy (ECT) and other brain stimulation therapies for the treatment of neuropsychiatric illness through education and research. more