Ear zaps could unlock secrets of the vagus nerve

NCT ID NCT04206540

First seen Mar 12, 2026 · Last updated Apr 30, 2026 · Updated 10 times

Summary

This study tests whether mild electrical stimulation on the outer ear can activate the vagus nerve, which controls stomach function. Researchers will measure nerve activity in 30 healthy adults using skin electrodes. The goal is to learn how to study this nerve better, which may help develop treatments for nausea and stomach disorders in the future.

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Contacts and locations

Locations

  • Indiana University Hosptial

    Indianapolis, Indiana, 46202, United States

Conditions

Explore the condition pages connected to this study.