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The Science Behind Transcranial Magnetic Stimulation: How Does It Work?

Healthy U
Healthy U
July 25, 2025

Long-lasting healing is best achieved when science meets compassion. An innovative treatment in the fight against mental health disorders is transcranial magnetic stimulation (TMS), a non-invasive therapy that helps people reclaim control.

Whether you're navigating PTSD, depression, or another mood disorder, understanding TMS can help you make more informed decisions about your mental health journey. Here's a closer look at the science behind this cutting-edge option.

What Is TMS?

Transcranial magnetic stimulation is an FDA-cleared therapy that uses targeted magnetic pulses to stimulate areas of the brain involved in mood regulation. It's a popular mental health treatment for those who have not found relief from conventional therapies, such as medication.

It's also a great option for those with an aversion to needles or who prefer a non-medication option, as TMS does not involve sedation, surgery, or invasive procedures. You'll be awake, alert, and comfortable the entire time.

How Does Transcranial Magnetic Stimulation Work?

TMS works by delivering magnetic pulses through a device placed on the scalp. These pulses target specific areas (identified during a mapping session) of the prefrontal cortex, an area of the brain known to be underactive in those struggling with mental health disorders.

When these underactive areas are gently stimulated, neural activity can begin to shift. Over time, new, healthy pathways can form to promote healthier brain function. Sessions typically last about half an hour, with treatments needed every day for at least 30 days.

The Benefits of TMS for Mental Health

TMS has been a game-changer for those coping with treatment-resistant depression, PTSD, anxiety, and even co-occurring substance use disorders. Client outcomes and clinical studies conducted on the TMS device NeuroStar® both show:

  • Improved emotional regulation and mood
  • More motivation and energy
  • Better focus and clarity
  • Reduced symptoms

In fact, in an Outcomes Registry in depression, 83% of those receiving TMS treatment with a NeuroStar® device responded to the therapy, reporting significant relief in depression symptoms. What's more, the remission rate was 62%, with many reporting their depression went away altogether.

Important Considerations

While TMS may offer significant relief, like any treatment option, it isn't right for everyone. If you have a history of seizures, metal implants in or near your head, or certain medical conditions, you may not be a candidate. A thorough assessment here at Healthy U Behavioral Health is the first step in learning more about the specific treatment programs that complement your needs–which may or may not include TMS.

It's also important to note that, just like any treatment for substance abuse or mental health, TMS is not a quick fix. Healing takes time, as does creating new neural pathways. Those receiving transcranial magnetic stimulation (performed by a provider in our network) will need to commit to in-office treatments every day for at least 30 days.

For those who do commit, the results are often life-changing, from restored relationships and newfound motivation to a deeper sense of self.

The Future of TMS and Other Brain Stimulation Therapies

As neuroscience continues to evolve, researchers are exploring combinations with other therapies, additional protocols, and even new technologies to further enhance its beneficial impact. As a leader in mental health treatments, we stay up-to-date on the latest research and FDA-cleared technologies to ensure you're receiving the safest, most effective therapy available.

Your Journey Starts Here

We know just how frustrating it can be when traditional approaches haven't brought the relief that was promised. We're here to listen, guide, and walk with you every step of the way, finding new, effective approaches to your treatment-resistant disorder. Request an appointment to learn more about our treatment programs and if TMS could be part of your recovery journey.

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