A coordinate is not the whole story

Traditional TMS protocols use established scalp or brain targets. Researchers are now examining whether each patient’s functional brain connections can help identify a more individualized stimulation site.

The network approach

A National Institute of Mental Health research highlight described a study that used functional MRI to map connections between the prefrontal cortex and a deeper region associated with depression. Researchers selected a surface site linked to that deeper circuit and measured changes after a short course of stimulation.

Promising findings still need replication

In that small study, 36 adults participated and symptom improvement was associated with changes in the targeted circuit. The work offers a possible explanation for how surface stimulation can influence deeper networks. It does not establish that imaging-guided targeting should replace standard practice for every patient. Larger and more diverse studies are needed.

Precision adds operational demands

Imaging-based targeting can require access to high-quality scans, analysis tools, trained personnel, data-transfer controls, and a process that translates research methods into reproducible clinical steps. Additional complexity should be justified by evidence of meaningful benefit.

What clinics should watch

Useful developments will show that personalized targeting improves outcomes, reduces unnecessary treatment, or helps identify who is most likely to benefit. Until then, clinics should separate established protocols from research approaches and explain that distinction clearly to patients.