Someone says it before you finish the sentence. “Wait. Isn’t that shock therapy?”
It is usually a spouse or a parent picturing a scene from a movie. Suddenly the treatment you worked up the nerve to mention is off the table.
So, plainly: is TMS the same as ECT? No. No anesthesia. No induced seizure. No recovery room. You sit awake in a chair, you can talk while it runs, and afterward you go back to your day.
That does not make ECT the villain. It is an effective, evidence-based treatment that helps some people when other treatments have not.
If you are in crisis or thinking about harming yourself, do not wait for an appointment. Call or text 988 for the Suicide & Crisis Lifeline, available 24/7. Our Fort Worth line is 817-659-7344, but we are an outpatient practice, not a crisis service.
Where the “shock therapy” idea comes from
“Shock therapy” is not a clinical term. It points at electroconvulsive therapy, or ECT, delivered today under general anesthesia. TMS is transcranial magnetic stimulation, done while you sit awake.
The National Institute of Mental Health draws the line: “Unlike ECT, in which stimulation is generalized, in rTMS, magnetic stimulation is targeted to a specific brain site. Also in contrast to ECT, the procedure does not require anesthesia and can be performed in a clinical or office setting.”
rTMS is repetitive TMS, the repeated-pulse version used for depression and what most people mean by “TMS.”
Is TMS the same as ECT? A point-by-point comparison
| TMS | ECT | |
| Anesthesia | None (NIMH) | General anesthetic plus an IV muscle relaxant (NIMH) |
| Induced seizure | No. A rare adverse event, not the mechanism | Yes, deliberately; it “usually lasts 30 to 60 seconds” (Cleveland Clinic) |
| Afterward | “After your session, you can go back to your normal day” (Cleveland Clinic) | Grogginess “usually fades within 20 to 30 minutes”; no driving during a course (Cleveland Clinic) |
| Memory | Not among the rTMS side effects NIMH lists; head-to-head studies are too varied to settle it | Memory loss and disorientation are listed side effects (NIMH) |
The second row matters most: the word seizure is doing opposite jobs. In ECT the seizure is the treatment, induced on purpose. In TMS it is an unintended, rare complication that screening is designed to reduce.
TMS vs electroconvulsive therapy: what ECT actually is
In December 2018 the FDA reclassified the ECT device into Class II for “catatonia or a severe major depressive episode” in major depressive disorder or bipolar disorder, in patients who are “treatment-resistant or who require a rapid response.” Class II devices reach the market through 510(k) clearance, the same pathway TMS devices use, so neither is FDA-approved the way a drug is.
Cleveland Clinic calls ECT “the most effective treatment for severe depression” and notes it may also treat bipolar disorder, catatonia and schizophrenia. The cleared indication is narrower.
Ren and colleagues pooled nine trials and 425 patients in 2014: ECT beat high-frequency rTMS on response, 64.4 percent versus 48.7 percent, with the gap widest in psychotic depression and the two about equally effective where depression had no psychotic features. Head-to-head trials remain few.
Cognitive and memory impairment sit among FDA’s identified risks for the device, and Cleveland Clinic warns about trouble recalling the weeks before treatment.
TMS is not a gentler ECT. Catatonia means a person has largely stopped moving, speaking, or responding. When that is the picture, or when depression comes with delusions, or when relief has to come fast, ECT is the treatment with the evidence behind it. We offer TMS in Fort Worth; ECT is a hospital-based procedure we do not provide.
What a TMS session involves
We use the FDA-cleared BrainsWay Deep TMS system, a cushioned helmet with a specialized coil. Our TMS service page describes the sensation as generally painless, though some notice mild to moderate scalp discomfort or tapping in the first few sessions.
There is no IV and no sedation to sleep off, though Cleveland Clinic notes a mild side effect such as a headache may mean resting a few minutes before you leave. The visit is written up in what to expect at your first TMS session.
The 2013 clearance (K122288) covers depression in adults who did not improve enough on antidepressant medication in the current episode. Later FDA records add comorbid anxiety in adults with MDD, OCD as an adjunct, and short-term smoking cessation. TMS for PTSD, bipolar depression, a standalone anxiety disorder, or chronic pain is off-label.
Bipolar depression deserves its own line. TMS there is off-label. Antidepressants taken without a mood stabilizer have been linked to a swing up into mania or hypomania, and the same has been described with brain stimulation, so an unrecognized bipolar diagnosis changes what is safe to try. If you already carry the diagnosis, start with our bipolar disorder page.
Does TMS cause memory loss?
In the trial FDA reviewed for the BrainsWay clearance, the cognitive tests included the Autobiographical Memory Interview, the instrument ECT researchers use to detect this problem. The 510(k) summary reports that Deep TMS “does not have a negative cognitive effect” on a brief three-test battery, in a trial that screened out people with psychotic features, neurological illness, or seizure risk.
None of that promises TMS has no effect on anyone’s thinking. Kedzior and colleagues found only six head-to-head studies in 219 patients, “too heterogeneous to reliably detect meaningful differences in acute cognitive outcomes.”
The side effects of TMS, stated plainly
In the pivotal trial FDA reviewed for K122288, the Deep TMS group reported 47.2 percent headache, 25.0 percent pain and 19.4 percent discomfort where the helmet sits against the head, and 10.2 percent jaw pain. BrainsWay’s safety information notes 36 percent of the sham group also reported headache, so that one is not necessarily from the treatment.
The coil clicks, and it is loud. FDA requires earplugs rated for at least 30 dB of noise reduction, and says to report it immediately if one works loose.
Seizure risk is rare but genuine. The FDA summary for K122288 records one device-related serious adverse event, a seizure in a participant who had been drinking at least half a bottle of wine the night before. BrainsWay reports three more across roughly 50,000 sessions, in people on high doses of antidepressants. Company-funded surveillance by Tendler and colleagues, counting patients from head caps sold, put the figure near 6 seizures per 10,000 patients, and 2 per 10,000 when the instructions were followed. Every one stopped without medication and none caused injury. NIMH says a review found the risk low; Cleveland Clinic calls seizures “very rare.”
Screening is not a one-time checklist. Reported seizures cluster around things a treatment team can work with: substance use the day before a session, a badly slept night, and medication changes since your motor threshold was last measured. None of that means adjusting anything yourself, and stopping a psychiatric medication abruptly carries its own risks. It means telling your TMS team when one of those changes, so they can recheck the settings. FDA also cautions that “long-term effects of exposure to rTMS are unknown.”
FDA is specific about who cannot have TMS at all: conductive, ferromagnetic or magnet-sensitive metal implanted in the head or within about 30 cm of the coil. That covers cochlear implants, aneurysm clips or coils, stents, implanted electrodes or stimulators, deep brain stimulators, vagus nerve stimulators, and retained fragments, and its stated consequence for missing one is serious injury or death. BrainsWay excepts standard amalgam dental fillings. FDA separately lists pacemakers, implantable defibrillators and implanted pumps among the conditions in which the device has not been shown to be safe and effective. That is why who is a good candidate for TMS is its own conversation: tell your clinician about every implant, even an old one.
TMS or ECT: how do you decide?
Chen and colleagues pooled 25 randomized trials and 1,288 people in 2017, concluding that “ECT was the most efficacious, but least tolerated, treatment,” with right prefrontal rTMS best tolerated. That ranking comes from cumulative probabilities, not a demonstrated gap: the differences between ECT and rTMS did not reach statistical significance, and the authors judged bilateral rTMS the most favorable balance of the two.
What decides it is your situation: how severe things are now, how fast you need relief, what you have already tried, what your history allows, and whether you can arrange rides and time off.
That is a conversation, not a chart. In our office it is most of what a treatment-refractory depression appointment is.
Frequently asked questions
Is TMS shock therapy?
No. “Shock therapy” is an informal name for electroconvulsive therapy, which uses an electrical current to induce a brief seizure under general anesthesia. TMS sends magnetic pulses to a targeted brain area while you sit awake, with no anesthesia and no seizure.
Does TMS cause memory loss?
Memory loss is not on NIMH’s list of rTMS side effects, and the 510(k) summary FDA reviewed for the BrainsWay clearance reported no negative cognitive effect on its test battery. Researchers comparing the two head to head call the studies too varied to settle it.
Can TMS be used instead of ECT?
Sometimes, but not in the situations ECT exists for. In the largest head-to-head meta-analysis ECT produced higher overall response rates, but the advantage was concentrated in psychotic depression; without psychotic features the two performed similarly. FDA’s Class II indication covers catatonia and severe depressive episodes.
How risky is a seizure during TMS?
Rare, but real, and worth naming. NIMH cites a review finding the risk low, and Cleveland Clinic calls seizures very rare. FDA advises caution in anyone with a seizure history or anything that lowers the seizure threshold, and reported seizures have often involved alcohol, poor sleep, or high antidepressant doses.
Can I drive myself to and from TMS?
Usually, yes. TMS uses no anesthesia and no sedation, so there is nothing to sleep off, and Cleveland Clinic says you can go back to your day afterward, though a provider may suggest someone drive you to the first one. ECT, done under anesthesia, comes with instructions not to drive.
The bottom line
TMS and ECT are both brain stimulation, and that is roughly where the similarity ends. TMS is done awake, with no anesthesia to recover from and no seizure induced on purpose, though headache and scalp discomfort are common and a seizure is rare but genuine. ECT keeps a strong evidence base for severe, psychotic, or catatonic depression, and carries its own burden. We provide TMS and not ECT, and we will say so plainly if your situation calls for something we do not offer.
Talk with us
If you are in Fort Worth or the surrounding North Texas area and what you have read here sounds familiar, we would be glad to talk it through with you. The Institute for Advanced Psychiatry is an outpatient practice at 6800 Harris Parkway, Suite 100, treating adults 18 and older. You can request an appointment or call 817-659-7344.
If you are in crisis or thinking about harming yourself, please do not wait for an appointment. Call or text 988 to reach the Suicide & Crisis Lifeline, available 24/7, or go to your nearest emergency room.
Sources
- U.S. Food and Drug Administration. “510(k) Summary – Brainsway Deep TMS System, K122288.” 2013. https://www.accessdata.fda.gov/cdrh_docs/pdf12/k122288.pdf
- U.S. Food and Drug Administration. “510(k) Premarket Notification – BrainsWay Deep TMS System, K210201.” 2021. https://www.accessdata.fda.gov/cdrh_docs/pdf21/K210201.pdf
- U.S. Food and Drug Administration. “De Novo Classification Request for Brainsway Deep Transcranial Magnetic Stimulation System, DEN170078.” 2018. https://www.accessdata.fda.gov/cdrh_docs/reviews/DEN170078.pdf
- U.S. Food and Drug Administration. “510(k) Premarket Notification – Brainsway Deep TMS System, K200957.” 2020. https://www.accessdata.fda.gov/cdrh_docs/pdf20/K200957.pdf
- U.S. Food and Drug Administration. “Neurological Devices; Reclassification of Electroconvulsive Therapy Devices; Effective Date of Requirement for Premarket Approval for Electroconvulsive Therapy Devices for Certain Specified Intended Uses. Final order.” 83 FR 66103. December 26, 2018. https://www.govinfo.gov/content/pkg/FR-2018-12-26/pdf/2018-27809.pdf
- National Institute of Mental Health. “Brain Stimulation Therapies.” Accessed 2026. https://www.nimh.nih.gov/health/topics/brain-stimulation-therapies/brain-stimulation-therapies
- Cleveland Clinic. “Transcranial Magnetic Stimulation (TMS): What It Is.” Accessed 2026. https://my.clevelandclinic.org/health/treatments/17827-transcranial-magnetic-stimulation-tms
- Cleveland Clinic. “Electroconvulsive Therapy (ECT): What It Is & Side Effects.” Accessed 2026. https://my.clevelandclinic.org/health/treatments/9302-ect-electroconvulsive-therapy
- BrainsWay. “Safety Information.” Accessed 2026. https://www.brainsway.com/safety-information/
- Tendler A, Harmelech T, Gersner R, Roth Y. “Seizures provoked by H-coils from 2010 to 2020.” Brain Stimulation. 2021;14(1):66-68. https://www.brainsway.com/wp-content/uploads/2021/05/Tendler_Brain-Stimulation-2020_H-Coil-Seizures-from-2010-2020.pdf
- Kedzior KK, Schuchinsky M, Gerkensmeier I, Loo C. “Challenges in comparing the acute cognitive outcomes of high-frequency repetitive transcranial magnetic stimulation (HF-rTMS) vs. electroconvulsive therapy (ECT) in major depression: A systematic review.” Journal of Psychiatric Research. 2017;91:14-17. https://pubmed.ncbi.nlm.nih.gov/28288306/
- Ren J, Li H, Palaniyappan L, Liu H, Wang J, Li C, Rossini PM. “Repetitive transcranial magnetic stimulation versus electroconvulsive therapy for major depression: a systematic review and meta-analysis.” Progress in Neuro-Psychopharmacology & Biological Psychiatry. 2014;51:181-189. https://pubmed.ncbi.nlm.nih.gov/24556538/
- Chen JJ, Zhao LB, Liu YY, Fan SH, Xie P. “Comparative efficacy and acceptability of electroconvulsive therapy versus repetitive transcranial magnetic stimulation for major depression: A systematic review and multiple-treatments meta-analysis.” Behavioural Brain Research. 2017;320:30-36. https://pubmed.ncbi.nlm.nih.gov/27876667/
- Institute for Advanced Psychiatry. “TMS (Transcranial Magnetic Stimulation).” Accessed 2026. https://www.psychiatryfortworth.com/services/tms-transcranial-magnetic-stimulation/
Medical disclaimer
This article is for general education and is not medical advice, a diagnosis, or a treatment recommendation for any individual. Reading it does not create a physician-patient relationship. Treatment decisions, including whether any medication or procedure is appropriate for you, should be made with a qualified clinician who knows your history. Do not start, stop, or change a psychiatric medication without talking to your prescriber. If you are experiencing a medical or mental health emergency, call 911 or 988.