The wearable uses tiny, stretchable EEG and EOG sensors to constantly monitor a user’s brainwaves. Credit: Device H Huh et al. Those markings aren’t just for aesthetics.

Liquid ink for e-tattoos. EEG is widely used for diagnosing neurological conditions like seizures, brain tumors, and epilepsy. However, the traditional EEG tests are time-consuming and uncomfortable.

To get a high-quality EEG reading, the headphone sensors need to make good contact with the scalp, and my long hair kept getting in the way. Over the past few weeks, however, this wasn’t an issue.

Two main components make up the Alphabeats experience -- the app itself and the companion headband made by BrainBit. The headband consists of a soft adjustable strap with four EEG sensor pads ...

Made in partnership between Master & Dynamic and Neurable, the MW75 Neuro headphones use EEG sensors and AI tech to measure your concentration. Business Insider Subscribe Newsletters ...

Its flagship product, Tone Buds, uses proprietary in-ear EEG sensors to deliver personalized soundscapes and real-time brain insights that help users fall asleep faster, stay asleep longer, and ...

The Muse S Athena headband uses several sensors to collect brain activity data, and allows you to control a game with your mind. It's as sci-fi as tech gets.