Acute neuromodulatory effects of 1 Hz rTMS on the central autonomic network in depression: A concurrent TMS-fMRI study.

J Affect DisordJul 16, 2026 (epub)
Clinical ResearchPsychiatry

Elizabeth C Gregory, Bazyl Carroll, Jaeyoon Kim et al.

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In 30 seconds

This clinical trial investigated the acute effects of 1 Hz repetitive transcranial magnetic stimulation (rTMS) on the central autonomic network (CAN) in patients with major depressive disorder (MDD). Using concurrent rTMS-fMRI, the study found that rTMS increased the temporal correlation between heart rate variability (HRV) and BOLD signal in the right posterior insula, while HRV decreased during the procedure.

Key findings

  • TMS-fMRI increased temporal correlation between BOLD signal in the right posterior insula and HRV.
  • HRV decreased during TMS-fMRI.
  • Weak correlation trends were observed between increased CAN activity and treatment outcomes.

Why it matters

Understanding the effects of rTMS on the central autonomic network may enhance treatment strategies for major depressive disorder, particularly regarding autonomic dysregulation. Insights into HRV changes could inform future therapeutic approaches.

Source

Published in J Affect Disord. This summary was written by xxcode from the publication's abstract and metadata. It is not peer reviewed and is not a substitute for the original article. For clinical decisions, review the original publication.

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AI-generated summaries may contain errors or omissions. Verify clinically important information with the original publication.

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