Study maps new brain regions behind intended speech

Imagine seeing a furry, four-legged animal that meows. Mentally, you know what it is, but the word ‘cat’ is stuck on the tip of your tongue. This phenomenon, known as Broca’s aphasia or expressive aphasia, is a language disorder that affects a person’s ability to speak or write. While the current go-to treatment is speech therapy, scientists are working toward a different, possibly more effective treatment: using a brain computer interface (BCI) to convert brain signals into spoken words.  

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