A startup called SynchNeuro is developing a small wearable that sits behind the ear and measures electrical activity in the brain using electroencephalography (EEG). These brainwave signals may reflect changes in glucose levels, as well as information about sleep, stress, and metabolism, all without piercing the skin.

The idea builds on research showing that when glucose levels shift, the brain’s hypothalamus and connected regions emit distinctive electrical patterns. SynchNeuro’s device detects these EEG signals from the skin’s surface and uses algorithms to translate them into glucose trends. The data syncs with an app that turns those readings into simple insights, showing how the body responds to food, exercise, and rest.

Early testing suggests accuracy close to current glucose monitors but with almost no delay. Since brain activity changes in real time, this kind of monitoring could detect glucose drops or spikes the moment they happen.

Founder and CEO of SynchNuero, Dr. Casey Halpern, joined us to talk about the science behind its tech, where the company is currently in development, and where it could be headed in the next few years. He also shared how this approach could shape the future of noninvasive glucose monitoring. You can listen to the full conversation in the podcast above or watch it in the video below.

Disclaimer: Diabetech content is not medical advice—it’s for educational purposes only. Always consult with a physician before making changes to your healthcare.