Quite often, when we hear about brain-machine interfaces, it’s in the context of returning an ability to people who lack it. People who are unable to speak, for instance, might be able to interface with a machine that could speak for them. Recently, however, scientists at Duke University used such an interface to augment rats with a sort of “sixth sense” – the ability to detect invisible infrared light by sense of touch. The research could have significant implications for the disabled.
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