Brain

Devices that read or stimulate the brain directly: EEG headbands, ultrasound, light, and electrical stimulation. The category with the widest gap between what is claimed and what the sensor can actually see.

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Halo Neuroscience

The brain stimulation headset that started life on athletes, now rebuilt in Sweden for mood, sleep and focus in half hour sessions at home.

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Temple

A bean sized sensor at your temple, scoring what your body spends to keep you going.

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Sabi

A knitted beanie packed with brain sensors, built to let you type by thinking the words.

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Mave Health

A light headband worn twenty minutes a day, aimed at your mood, focus and stress.

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Samphire Neuroscience

A headband worn twenty minutes a day before your period, for cramp pain and mood.

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Vielight

Light therapy for the brain, combining pads on your scalp with an applicator in your nostril at 810 nanometres.

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What shipped, what slipped, and what the spec sheet leaves out. Four minutes, Tuesday mornings.

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