These flexible 3D printed sensors not only record electrophysiological activity in the brain but also collect sweat.

Interestingly, the sensors can analyze lactate in sweat, an organic acid produced by the body during physical activity.

Because the ear contains sweat glands and is close to the brain, headphones are an ideal tool for collecting this type of data.

These can also be used to diagnose different types of seizures. Additionally, they can help to better understand personal performance during exercise and monitor stress and concentration levels.

Source: Ferra

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