Optically Pumped Magnetometer (IMAGE) University of California - San Diego Caption A researcher holds an Optically Pumped Magnetometer. Researchers have used these non-invasive devices to record, for the first time, activity in human cervical nerves. Credit Qualcomm Institute/UC San Diego Usage Restrictions Copyright ©️ 2024 the Board of Regents of the University of California. Reproduction rights are granted for noncommercial use that markets, promotes and supports the University of California San Diego. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.