Targeting the dopaminergic midbrain with precision 7-Tesla biofeedback training in depression: A proof-of-principle randomized controlled trial.

A randomized 7-Tesla fMRI biofeedback study found short-term mood-related improvement after training aimed at a motivation-related midbrain region. Active-versus-sham differences were present immediately and at 24 hours, but not at 7 or 30 days.

Morris LS, Beltrán JM, Kvamme TL, Chowdhury A, Butler G, Adams A, Patel T, Obie E, Fontaine S, Corniquel M, Mehta MM, Smith DA, Fleysher L, Balchandani P, Jacob Y, Murrough JW.
Molecular psychiatry · Publication date: 2026-09-19
Added to site: 2026-09-21
DOI: 10.1038/s41380-026-03911-x

Electronic publication date verified in Europe PMC; PubMed indexing followed on September 20, 2026.

Modalities

fMRI neurofeedback, Biofeedback, Neuroimaging

Clinical focus

Major depressive disorder, Motivation, Precision biofeedback

Population

Unmedicated adults with major depressive disorder and healthy controls

Sample

62 unmedicated participants with major depressive disorder or healthy-control status; exact diagnostic and treatment-arm counts were not reported in the accessible abstract

Intervention / method

Active or sham 7-Tesla fMRI biofeedback training aimed at self-modulation of the ventral tegmental area, with clinical assessments through 30 days

Comparator

Active versus sham biofeedback, with the primary clinical contrast reported within the major-depression group

Clinician summary

Among 62 unmedicated participants with MDD or healthy-control status, the active MDD group improved more than sham on a latent clinical-change factor immediately and at 24 hours. Depressed mood and negative affect, but not positive affect, differed by condition; VTA-lateral frontal coupling increased during active training.

How to interpret the findings

This was a proof-of-principle study using specialized 7-Tesla imaging. Exact MDD arm denominators, adverse-event details and the full analysis plan were unavailable in the abstract. Effects diminished and were nonsignificant at 7- and 30-day follow-up, so durable efficacy and practical clinical scalability remain unestablished.

Equipment and disclosures

The study used high-field 7-Tesla functional MRI biofeedback targeting the ventral tegmental area. Scanner manufacturer, sequence and feedback-interface details were not available in the checked abstract.

The indexed record reports extensive pharmaceutical and biotechnology consulting relationships for one author and MRI or RF-pulse patents licensed to GE Healthcare, Siemens and Philips for another. A Carlsberg Foundation grant is listed in PubMed; complete funding details were not available in the abstract.

Related evidence

Compare findings from the same clinical area, including mixed results.

• EEG Microstate Alterations in Anhedonia Subtypes of Major Depressive Disorder and Their Modulation by Intermittent Theta-Burst Stimulation. · Positive with limitations
• Machine learning-based source-level EEG functional network biomarkers of antidepressant treatment response in major depressive disorder. · Positive with limitations
• Escaping the Negative Attentional Bias in Depression with Real-Time Neurofeedback · Positive with limitations