Kyushu University Hospital 1 article published in JoVE Behavior Pupillary Response as Assessment of Effective Seizure Induction by Electroconvulsive Therapy Kazuhiro Shirozu1, Keitaro Murayama2, Ken Yamaura3 1Department of Anesthesiology and Critical Care Medicine, Kyushu University Hospital, 2Department of Neuro-Psychiatry, Kyushu University Graduate School of Medicine, 3Department of Anesthesiology and Critical Care Medicine, Kyushu University Graduate School of Medicine Pupillary responses (light reflex) were measured for assessment of adequate seizure induction by electroconvulsive therapy using an automated infrared pupillometer immediately after electrical stimulation. Constriction ratio was calculated and compared with seizure quality.