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Treatment

ECT

also known as electroconvulsive therapy

Medically reviewed by the Shrinkopedia editorial team, led by Shariq Refai, MD, MBA, FAPA.

6 min read · 1,361 words

  • Medically reviewed . Reviewed by a board-certified psychiatrist before publication.
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Quick answer

ECT, or electroconvulsive therapy, is a medical procedure and one of the most effective treatments that exists for severe depression. Under general anesthesia, a brief, carefully controlled electrical stimulus induces a short seizure. The person is asleep and doesn't feel it. It's usually used when other treatments haven't worked or when a fast response is needed.

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Definition

ECT is a medical procedure used to treat several serious psychiatric conditions. While the person is under general anesthesia, with a muscle relaxant given, a brief and carefully controlled electrical stimulus is applied, inducing a short, controlled seizure in the brain.

Because of the anesthesia and muscle relaxant, the person is asleep, doesn't move during the seizure, and doesn't feel it. The modern procedure is done by a team in a medical setting, and it bears little resemblance to its portrayal in old films or to the stigma that still surrounds it.

What it looks like

  • A person with severe, treatment-resistant depression is admitted or comes in for a scheduled treatment.
  • They receive anesthesia, sleep through the brief procedure, and wake up in a recovery area.
  • They may feel groggy or briefly confused right after, which clears over the following hours.
  • Across the course, the depression lifts, often more quickly than medication alone tends to manage.

What people often confuse this with

The portrayal in old films. The dramatic, frightening image of ECT in old movies doesn't reflect the modern procedure. Today it's done under anesthesia, with a muscle relaxant, by a medical team, and the person is asleep and doesn't move or feel it.

TMS. TMS is a different, noninvasive treatment that uses magnetic pulses, with no anesthesia and no induced seizure. ECT involves anesthesia and a controlled seizure. They aren't the same treatment.

A last resort with nothing to recommend it. ECT is often used after other treatments, but that reflects how care is sequenced, not weak evidence. ECT is one of the most effective treatments that exists for severe depression.

Reality check

Myth: ECT is the brutal procedure shown in old movies.

The modern procedure is very different. It's done under general anesthesia with a muscle relaxant, by a team in a medical setting. The person is asleep, doesn't move during the seizure, and doesn't feel it.

Myth: ECT causes permanent, total memory loss.

The main side effect is memory difficulty: confusion right after a treatment, and some gaps in memory for the period around the treatment course. For most people these improve over weeks to months. Some memory loss can be longer-lasting, which is part of an honest discussion before treatment, but the picture of wholesale, permanent erasure isn't accurate.

Myth: ECT is outdated and rarely works.

ECT remains one of the most effective treatments available for severe depression, and it's still used because it works, particularly when speed matters or other treatments have failed. Continuation treatment afterward is generally needed to hold the gains.

What research says

ECT is well studied, and the evidence for its effectiveness in severe illness is strong.

  • Severe and treatment-resistant depression. ECT is highly effective, including for depression that hasn't responded to medication.
  • Depression with psychotic features. It's an established, effective treatment.
  • High suicide risk. When a fast response matters, ECT can work more quickly than waiting weeks for medication to take effect.
  • Catatonia. ECT is a recognized and effective treatment.
  • Severe bipolar episodes. It's used for severe episodes of bipolar disorder.
  • Side effects. The main one is memory difficulty, which for most people improves over weeks to months, though some memory loss can be longer-lasting.

Guidance from the American Psychiatric Association and NICE supports ECT for these severe presentations, typically when other treatments haven't worked or when a rapid response is needed.

What we know and what we don't know

What we know

  • ECT is one of the most effective treatments for severe depression, depression with psychotic features, catatonia, and severe bipolar episodes.
  • The modern procedure is done under anesthesia with a muscle relaxant; the person is asleep and doesn't feel it.
  • The main side effect is memory difficulty, which usually improves over weeks to months, and continuation treatment is generally needed to maintain the gains.

What we don't know

  • Exactly how ECT produces its strong antidepressant effect isn't fully explained.
  • Why memory effects are mild and short-lived for most people but more lasting for some isn't well understood.
  • The best approach to maintenance after a course, to prevent relapse, is still being refined.

Questions people ask

Is ECT dangerous?

Modern ECT is safer than most people expect. It's done under general anesthesia, with a short-acting muscle relaxant, and the seizure itself is brief and not felt. Serious complications are rare. The main risks are those of any brief anesthesia procedure plus temporary confusion and memory effects.

Does ECT cause memory loss?

Some memory effects are common. Short-term memory around the treatment period is often affected, and can take weeks to months to recover. Longer-term autobiographical memory loss can occur, particularly with bilateral electrode placement, and is one of the trade-offs when choosing ECT over other options.

How effective is it?

For severe depression that hasn't responded to medication and therapy, response rates in trials run around 60 to 80 percent, higher than any other single treatment. That's why it remains first-line for severe treatment-resistant depression, particularly with suicidal ideation, catatonia, or psychotic features.

How often are treatments given?

Acute course is usually 6 to 12 treatments over 3 to 4 weeks. Maintenance ECT (spaced out over weeks or months) is sometimes used to prevent relapse in people who responded to acute ECT and haven't been stabilized by other means.

Why does ECT have such a bad public reputation?

Historical practice was much rougher (no anesthesia, unmodified seizures, wider indications). Portrayals in film and literature drew from that earlier picture. Modern ECT bears little resemblance to that image, but the reputation persists and affects both patients and clinicians.

What it involves

A typical course of ECT includes:

  • an assessment and medical workup to confirm it's a suitable option
  • treatments given a few times a week, often around 6 to 12 over the course
  • general anesthesia and a muscle relaxant before each treatment
  • a brief, controlled electrical stimulus that induces a short seizure
  • a recovery period afterward, with monitoring as the anesthesia wears off
  • continuation treatment, with medication or maintenance ECT, to hold the gains

Sources

  1. American Psychiatric Association (APA). The Practice of Electroconvulsive Therapy, recommendations and guidance.
  2. National Institute for Health and Care Excellence (NICE). Guidance on the use of electroconvulsive therapy.
  3. National Institute of Mental Health (NIMH). Brain Stimulation Therapies.
  4. Randomized controlled trials and reviews of ECT for severe depression and related conditions.

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How to cite this page

Short
ECT. Shrinkopedia, medically reviewed by Shariq Refai, MD, MBA. https://shrinkopedia.com/treatments/ect/
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Shrinkopedia. (2026, May 24). ECT. Medically reviewed by Shariq Refai, MD, MBA. https://shrinkopedia.com/treatments/ect/
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"ECT." Shrinkopedia, 24 May 2026, https://shrinkopedia.com/treatments/ect/.

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Medical disclaimer

Shrinkopedia is for education, not medical advice. It can't tell you whether ECT is right for you, and it isn't a substitute for care from a licensed clinician. A psychiatrist can help you understand whether ECT fits your situation, what to expect, and what the alternatives are.

If you're in crisis or thinking about harming yourself, call or text 988 in the US to reach the Suicide and Crisis Lifeline, or call 911.

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  1. 1 TREATMENT ECT (current)
  2. 2 CONDITION Conditions
  3. 3 SYMPTOM Symptoms
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