Transcutaneous Vagus Nerve Stimulation for Misophonia

A 64-year-old woman with severe misophonia experienced an intense choking sensation and terror when hearing a basketball bounce. After a month of a non-invasive nerve stimulation therapy, her symptom severity score plummeted from 80 to 9, according to a new case report. The research offers a preliminary look at a novel approach for a condition where treatment options are limited.

## A Severe Case of Misophonia with Autonomic Overdrive

The case, documented by Francesca Proietti, Massimo Marano, and Emanuele Rizzo, involved a patient whose primary trigger was the rhythmic thudding of a basketball. Her reaction was severe and physical. Beyond distress, she reported palpitations, a choking feeling, shortness of breath, acute anxiety, terror, and an overwhelming need to flee. This led to significant avoidance behaviors and functional impairment in her daily life. She was already on a stable dose of sertraline, a common SSRI antidepressant, indicating her symptoms were substantial enough to warrant prior pharmacological intervention. The pronounced autonomic symptoms—the racing heart and breathing difficulties—made her a candidate for a treatment targeting the body’s stress response system.

## Methodology: Targeting the Vagus Nerve Through the Ear

The researchers employed a protocol of bilateral transcutaneous auricular vagus nerve stimulation (taVNS). This non-invasive method involves placing small electrodes on the outer ear, specifically on areas innervated by the vagus nerve. The vagus nerve is a major component of the parasympathetic nervous system, which acts as a counterbalance to the body’s “fight-or-flight” stress response.

For one month, the patient self-administered the stimulation daily for 60 minutes at an intensity she found noticeable but not painful. The bilateral (both ears) approach was used to maximize potential effect. Outcomes were measured using validated scales at three points: before treatment, immediately after the one-month protocol, and again one month after treatment ended (follow-up). These scales assessed misophonia severity, general psychological distress, anxiety, depression, sleep quality, and functional impairment.

## Findings: Dramatic Symptom Reduction but Mixed Functional Results

The core finding was a striking reduction in misophonia-specific symptoms. The Duke Misophonia Questionnaire Symptoms Composite Scale score fell from a severe 80 at baseline to 9 post-treatment, and improved further to 5 at the one-month follow-up. This suggests the symptom relief was not only immediate but also sustained after the therapy stopped.

Secondary measures also showed strong improvement. Scores for overall psychological distress, somatization, anxiety, hostility, and depressive symptoms all decreased, indicating a broad positive effect on mental well-being.

However, the results for sleep and function told a more nuanced story. Sleep quality improved after treatment but returned to baseline levels by follow-up. Conversely, self-reported functional impairment decreased right after treatment but increased again at follow-up, even though core misophonia symptoms remained low. The authors describe this as a “dissociation between symptom reduction and perceived functional recovery.” It implies that while the intense physical and emotional reaction to sounds faded, the patient’s confidence and ability to re-engage in avoided activities may take longer to rebuild, potentially requiring additional behavioral support.

## Implications for Misophonia Treatment and Hearing Health

This single case report is not conclusive evidence, but it is an important proof-of-concept. It directly explores a neuromodulation approach aimed at the autonomic dysregulation often seen in misophonia, an area the authors note is “largely unexplored.” The positive effect on hyperarousal symptoms aligns with the known function of the vagus nerve in calming physiological stress responses.

For patients and clinicians, this introduces a potential adjunctive tool. taVNS devices are increasingly accessible, and the protocol used was manageable for home use. The research adds to a growing interest in neuromodulation for hearing-related sensitivities; for instance, similar principles are being investigated for tinnitus through bimodal neuromodulation, which combines sound with electrical stimulation.

The dissociation between symptom relief and functional recovery is a critical observation for patient management. It suggests that effective treatment for conditions like misophonia may require a multi-pronged strategy. A therapy like taVNS might effectively lower the physiological “volume” of the reaction, while cognitive or behavioral therapies help address the learned avoidance and fear. This holistic view is supported by research into other overlapping conditions, such as the shared neurological links between PTSD and tinnitus, which also involve hyperarousal and negative emotional conditioning.

## A Hypothesis for Future Research

Proietti, Marano, and Rizzo are clear that their findings are preliminary and “hypothesis-generating.” The dramatic response in this one patient justifies, but does not replace, the need for controlled clinical trials. Future studies must investigate taVNS in larger groups, against a sham control, and explore optimal dosing protocols. It will also be important to see if this approach benefits individuals with different primary triggers or those not on medication.

The case opens a tangible new avenue for investigation in a field where patients often face limited options. By focusing on the body’s alarm system, it offers a different angle from purely sound-based or psychological therapies. As the authors conclude, controlled studies are now needed to clarify its true therapeutic role.

Source: Proietti, F., Marano, M., & Rizzo, E. (2026). Case Report: Bilateral transcutaneous auricular vagus nerve stimulation for severe misophonia. Frontiers in Psychology, 10.3389/fpsyg.2026.1903444.