Psychedelics, TMS, and Neuroplasticity: How They May Help Depression
There has been a lot of attention in the news about using psychedelics to treat depression.
Drugs like psilocybin, which is found in “magic mushrooms,” are being studied for their possible effects on mood, trauma, anxiety, and addiction. One reason scientists are interested in psychedelics is that they may increase neuroplasticity.
What Is Neuroplasticity?
Neuroplasticity means the brain’s ability to change. It is how the brain learns new things, builds new habits, and recovers from stress.
When someone is depressed, the brain can feel stuck in the same painful patterns. A person may keep having negative thoughts, lose interest in life, or feel unable to shift out of sadness or hopelessness.
How Psychedelics and TMS May Support Change
Both psychedelics and TMS may help depression by making the brain more able to change. But they seem to do this in very different ways.
Psychedelics may create a short period when the brain is more open to change. Scientists sometimes call this a “window of plasticity.”
During this time, emotions, memories, therapy, and new ideas may have a stronger effect than usual. This may be one reason psychedelic treatment is often paired with psychotherapy. The drug may help open the window, but therapy helps guide what the person learns during that time.
How TMS Works Differently
TMS works differently. TMS stands for transcranial magnetic stimulation. It does not involve taking a psychedelic drug.
Instead, it uses magnetic pulses to stimulate certain parts of the brain. For depression, TMS often targets a front part of the brain involved in mood, focus, decision-making, and emotional control.
TMS as Physical Therapy for the Brain
A simple way to think about TMS is that it is like physical therapy for the brain.
If a muscle is weak, one workout will not fix it. But repeated exercises can help the muscle grow stronger.
TMS uses repeated sessions to help mood-related brain circuits become more active, balanced, or better connected.
The Biggest Difference: Timing
The biggest difference is timing.
Psychedelics may create a powerful short-term opening for change, often over hours or days. TMS usually builds change more slowly through repeated treatments over several weeks.
Another Difference: Control
Another difference is control.
TMS is more targeted. A clinician can aim the stimulation at a specific brain area. Psychedelics affect many brain systems at once, so the effect is broader and less targeted.
The Treatment Experience Is Also Different
The experience is also different.
With psychedelics, the experience itself may be a big part of the treatment. People may have strong emotions, new insights, or memories that feel important.
With TMS, the person does not need to have a major emotional experience during treatment. They usually sit in a chair while the device stimulates the brain.
What Both Approaches Have in Common
In the end, both treatments are based on a similar idea: depression may involve brain circuits that have become too rigid, too quiet, too active, or poorly connected.
Psychedelics may help loosen those patterns from the inside by creating a temporary state of openness. TMS may help retrain those patterns from the outside by using focused magnetic stimulation.
Final Thoughts
Both approaches point to a hopeful idea: depression is not just about feeling sad. It may also involve a brain that has become stuck.
Treatments that improve neuroplasticity may help the brain become flexible enough to build healthier patterns again.