What Is Deep TMS and How Does It Work?

If you have heard the term Deep TMS and wondered what it actually means, you are not alone. It sounds technical, but the idea behind it is straightforward — and for many people with depression or OCD, it has been life-changing.

The basics: magnetic pulses, not medication

Deep Transcranial Magnetic Stimulation (Deep TMS) uses brief magnetic pulses — the same type and strength used in an MRI scan — to stimulate the regions of the brain that regulate mood. It is non-invasive and drug-free. There is no anesthesia, no sedation, and nothing enters your bloodstream. You sit in a comfortable chair, awake and alert, while a device delivers pulses through a coil resting against your scalp.

What makes it “deep”

Standard TMS uses a figure-8 coil that mainly stimulates the surface of the brain. At Complete Mind Care, we use the BrainsWay H-Coil — a patented, helmet-shaped coil that reaches deeper and broader into the limbic structures involved in depression and OCD. That depth is one reason Deep TMS is FDA-cleared not just for major depression, but also for anxious depression and obsessive-compulsive disorder.

Who is it for?

Deep TMS is most often used for people with treatment-resistant depression — depression that has not improved after two or more medications. It is also FDA-cleared for OCD and anxious depression. Roughly two in three patients reach remission, and more than four in five who complete a full 30-session course see a meaningful clinical response.

What a session is like

After an initial mapping appointment, sessions are short — about 20 minutes for standard Deep TMS, or around 10 minutes with the accelerated SWIFT protocol. You can drive yourself and head straight back to work or school. The most common side effect is mild scalp discomfort that usually fades within the first week.

Curious whether you might be a candidate? Take our 60-second candidacy quiz or request a consultation — we will verify your insurance before you commit to anything.