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Researchers hope brain implants will one day help people who have lost the ability to speak to get their voice back—and maybe even to sing. Now, for the first time, scientists have demonstrated that the brain’s electrical activity can be decoded and used to reconstruct music.
A new study analyzed data from 29 people who were already being monitored for epileptic seizures using postage-stamp-size arrays of electrodes that were placed directly on the surface of their brain. As the participants listened to Pink Floyd’s 1979 song “Another Brick in the Wall, Part 1,” the electrodes captured the electrical activity of several brain regions attuned to musical elements such as tone, rhythm, harmony, and lyrics. Employing machine learning, the researchers reconstructed garbled but distinctive audio of what the participants were hearing. The study results were published on Tuesday in PLOS Biology.
Neuroscientists have worked for decades to decode what people are seeing, hearing, or thinking from brain activity alone. In 2012 a team that included the new study’s senior author—cognitive neuroscientist Robert Knight of the University of California, Berkeley—became the first to successfully reconstruct audio recordings of words participants heard while wearing implanted electrodes. Others have since used similar techniques to reproduce recently viewed or imagined pictures from participants’ brain scans, including human faces and landscape photographs. But the recent PLOS Biology paper by Knight and his colleagues is the first to suggest that scientists can eavesdrop on the brain to synthesize music.
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Pink Floyd performs on stage at Earl’s Court in London during The Wall Tour on August 6, 1980. Researchers re-created the band’s song “Another Brick in the Wall, Part 1” from listeners’ brain activity. Credit: Rob Verhorst/Redferns/Getty Images
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James' World 2 
Aug 31, 2023 @ 02:55:51
Interesting read, thanks.
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Aug 31, 2023 @ 04:35:19
Can we soon wear a hearing aid type device and read someone else’s thoughts!
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Aug 31, 2023 @ 04:36:14
Thanks for your visit and comment!
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