Sequential bilateral TMS protocol shows durable PTSD relief — new evidence for bilateral treatment approach
Summary
Research on a sequential bilateral TMS protocol for PTSD — stimulating both hemispheres sequentially rather than standard unilateral left prefrontal cortex — demonstrated durable symptom relief in PTSD patients in a study published in early 2026. The bilateral approach targets the hyperactivation-hypoactivation asymmetry in PTSD (right amygdala hyperactivity, left prefrontal hypoactivity) with hemisphere-specific protocols for each target region, potentially addressing the neurobiological underpinnings of PTSD more comprehensively than unilateral treatment alone.
Why it matters
Bilateral sequential TMS for PTSD addressing both the hyperactivation (right amygdala) and hypoactivation (left prefrontal) components of PTSD neurobiology is mechanistically the most rational approach yet proposed for TMS in PTSD. Durable relief — maintained after the treatment course rather than requiring ongoing sessions — would dramatically improve the cost-effectiveness argument for TMS as a PTSD treatment, particularly for the DoD and VA patient populations where chronic PTSD management is a major financial burden.
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