What Is Deep Brain Stimulation?

DBS involves surgically implanting thin electrodes into specific deep brain structures and connecting them to a pulse generator (similar to a pacemaker) placed under the skin of the chest. The device delivers continuous electrical stimulation to precisely targeted regions involved in mood regulation.

For depression, the most studied targets include:

Subcallosal cingulate gyrus (Area 25) — hyperactive in depression, targeted by Dr. Helen Mayberg’s pioneering research
Ventral capsule/ventral striatum (VC/VS) — involved in reward processing
Medial forebrain bundle — a major reward pathway
Lateral habenula — involved in processing negative outcomes

DBS is a last-resort treatment

DBS for depression is not a standard clinical option. It's available only through clinical trials at select academic medical centers, or through rare compassionate use exceptions. Patients must have exhausted all other evidence-based treatments — multiple medications, psychotherapy, TMS, ECT, and potentially VNS — before being considered.

DBS vs. TMS

Factor	DBS	TMS
Invasiveness	Brain surgery	Non-invasive
Reversibility	Device removable, tissue effects may persist	Fully reversible
Surgical Risks	Infection, bleeding, stroke	None
Cost	$50,000-$100,000+	$6,000-$12,000
Availability	Clinical trials only	Thousands of clinics
When to Consider	After everything else fails	After 2+ med failures

TMS should always be tried before DBS. DBS is reserved for the most extreme cases of treatment-resistant depression where all other options have been exhausted.

For a detailed comparison, read our TMS vs. DBS guide. Use our clinic finder to find TMS providers — the appropriate starting point for most patients.

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