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Brain-Computer Interface Connects via Ear Canal

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The in-ear brain-computer interface can ‘adaptively expand'.

Credit: Tsinghua University/ Nature Communications

Scientists in China have built a non-invasive interface that can connect a human brain to a computer through the wearer's inner ear.

The SprialE brain-computer interface (BCI) sets up a digital link to the brain via a flexible in-ear material. The interface can slide in and out of the ear canal without obstructing hearing.

The researchers explained, "The hollowness of SpiralE ensures that all subjects could hear audio stimuli in the outside world in real time," while its novel structure indicates that "natural and discreet wearable electronics can be integrated into real-life applications."

A 2019 report from the Royal Society, however, warned that such BCIs raise ethical concerns regarding privacy and human rights.

From The Independent (U.K.)
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