Scientists are making significant strides forward in brain-computer interface (BCI) technology, and a newly developed system can translate our thoughts into text or sound.

It's essentially an inner speech decoder, developed by researchers from institutions across the US. In tests on four volunteers with severe paralysis, the decoder hit an accuracy rate of up to 74 percent in translating thoughts into audible speech .

The potential here is for a BCI that can help those with speech or motor impairments to communicate more effectively than ever before, though there's still work to be done improving how accurate and personalized the system is.

Previous BCIs have relied on brain activity that is created when a paralyzed person tries to speak or write, even though their bod

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