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Extensive research has helped identify risk factors for acute stroke, but there is still a lack of information on what stroke patients brains look like on a po
you can see we re getting recordings every two seconds while he s listening to a story. we ll feed this data through our decoder and try to predict the story he s listening to. reporter: next morning, results were in. it s been 24 hours since we got our brains scanned. you can confirm i have a brain? absolutely. brilliant. so we were able to decode some stuff from my brain, not so much from yours. this is one from my brain. this is from the wizard of oz. on the left side is the actual words that i heard. when she d finished her meal and was about to go back to the road of yellow brick, she was startled to hear a deep groan nearby. the decoded version is on the right. i was about to head back to school and i hear this strange voice calling out to me. so it gets some things right. about to go back, head back. it completely misses some things like the road of yellow brick versus school. it gets this nice example, she hears something, then instead of a deep groan, it s a strang
we can t completely rule it out, but as far as we know that won t be possible in the next few decades. the real potential application is helping people who are unable to speak without them needing to get nerve surgery. reporter: jerry tang explains how they used open a.i.gpt s large language model to hem decode the brain. the gpt model is made up of millions of pages of text from the internet that the a.i. trains on and learns how sentences are constructed and how people talk and think. gpt basically made our predictions a lot better. reporter: it doesn t just work listening to audio. professor hute showed us what happened when he watched a movie with no sound while his brain was scanned. watch as the technology is able to devote what his eyes are seeing. she took my hand and held it to her lips. is she kissed it. i smiled. my god. she pulled me in for a hug. i got her back for about hours. i had to stop the bleeding and
an fmri machine. over time, the same tech behind chatgpt were able to figure out what the volunteers were listening to just by watching their brains. it is crazy. you can watch how blood flows through the brain. using a.i. and gpt and everything else, translate it into words. it s wild that this works when you put it that way. reporter: to test it all out, professor alexander h uute and had our brained scanned while listening to part of the wizard of oz audiobook. if i only had a brain we have a picture your brain. i have a brain! it looks good. reporter: i was scanned first, followed by professor hute. capturing images of the change in blood flow as we listened to the words from the audiobook, showing how our brains interpreted those words. when she had finished her meal and was about to go back to the road of yellow brick