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electroconvulsive therapy

American  
[ih-lek-troh-kuhn-vuhl-siv, ih-lek-] / ɪˈlɛk troʊ kənˈvʌl sɪv, ɪˌlɛk- /

noun

Psychiatry.
  1. a treatment for serious mental illnesses, as severe depressive disorders, involving the application to the head of electric current in order to induce a seizure: usually administered after sedatives and muscle relaxants. ECT


electroconvulsive therapy British  
/ ɪˌlɛktrəʊkənˈvʌlsɪv /

noun

  1. Also called: electroshock therapy, ECT. med the treatment of certain psychotic conditions by passing an electric current through the brain to induce coma or convulsions See also shock therapy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

electroconvulsive therapy Scientific  
/ ĭ-lĕk′trō-kən-vŭl′sĭv /
  1. Administration of electric current to the brain through electrodes placed on the head, usually near the temples, in order to induce unconsciousness and brief seizures. It is used in the treatment of certain psychiatric disorders, especially severe depression.


Etymology

Origin of electroconvulsive therapy

First recorded in 1945–50; electro- + convulsive


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Other researchers have established electroconvulsive therapy as an effective treatment.

From The Wall Street Journal ● Aug. 21, 2026

She has previously spoken about having depression and has described it as the "curse of the strong" after revealing she underwent electroconvulsive therapy to treat her own symptoms.

From BBC ● Jan. 14, 2026

It seemed to work: Antidepressants and electroconvulsive therapy often made the animal try harder.

From Science Magazine ● Mar. 19, 2024

People can decline electroconvulsive therapy, for instance, or name care they want medical staff to try before they use approaches of last resort, such as arm and leg restraints.

From Seattle Times ● Feb. 18, 2024

Known today as electroconvulsive therapy, this involved sending electrical current through the brain and inducing seizures.

From "The Woman All Spies Fear" by Amy Butler Greenfield

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