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The Conversation USA

The Conversation USA

From thoughts to words: How AI deciphers neural signals to help a man with ALS speak

  • Written by Nicholas Card, Postdoctoral Fellow of Neuroscience and Neuroengineering, University of California, Davis
imageCasey Harrell, who has ALS, works with a brain-computer interface to turn his thoughts into words.Nicholas Card

Brain-computer interfaces are a groundbreaking technology that can help paralyzed people regain functions they’ve lost, like moving a hand. These devices record signals from the brain and decipher the user’s intended action,...

Read more: From thoughts to words: How AI deciphers neural signals to help a man with ALS speak

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  2. Italian teenager Carlo Acutis’ upcoming canonization reflects the Vatican’s desire to appeal to a new generation of Catholics
  3. Can a political party get any attention when its rival holds a national convention? Yes, but it’s not easy
  4. How debt and taxes conspired to rob Nairobi’s slum-dwelling youth of the promise of a better life
  5. Treating Nord Stream blasts as a whodunit misses the point – and plays into Russia’s plan to distract and divide
  6. Want to fight gender inequality? A review of data from 118 counties shows that development aid works
  7. Want to fight gender inequality? A review of data from 118 countries shows that development aid works
  8. As human population grows, people and wildlife will share more living spaces around the world
  9. Thwaites Glacier won’t collapse like dominoes as feared, study finds, but that doesn’t mean the ‘Doomsday Glacier’ is stable
  10. Rural voters don’t necessarily love Walz, despite the camo hat and small-town upbringing
  11. Squid have tiny teeth in their suckers − scientists could use their unique properties to make self-healing materials
  12. Space missions are getting more complex − lessons from Amazon and FedEx can inform satellite and spacecraft management in orbit
  13. China leans into using AI − even as the US leads in developing it
  14. America’s Iran policy is a failure − piecemeal deterrence and sanctions can go only so far
  15. Democratic Party’s embrace of organized labor in 2024 elections has long roots that had started to wither
  16. Los Angeles is in a 4-year sprint to deliver a car-free 2028 Olympics
  17. Politicians step up attacks on the teaching of scientific theories in US schools
  18. Do Charli XCX’s and Kid Rock’s endorsements make a difference? 19% of young people admit they might
  19. AI pioneers want bots to replace human teachers – here’s why that’s unlikely
  20. Blood sugar fluctuations after eating play an important role in anxiety and depression
  21. The mystic and the mathematician: What the towering 20th-century thinkers Simone and André Weil can teach today’s math educators
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  23. 75 years ago, the KKK and anti-communists teamed up to violently stop a folk concert in NY
  24. Does Democratic VP candidate Walz swear too damn much?
  25. Sharks are taking a bite out of anglers’ catch in the Gulf of Mexico, but culling isn’t likely to help
  26. Biden administration’s negotiated price cuts for 10 common prescription drugs likely to save Medicare billions, beginning in 2026
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  28. Could we use volcanoes to make electricity?
  29. Ancient Rome had ways to counter the urban heat island effect – how history’s lessons apply to cities today
  30. Astronomers have warned against colonial practices in the space industry − a philosopher of science explains how the industry could explore other planets without exploiting them
  31. Anthropology students present their research in poetry, plays and op-eds in this course
  32. Who is the ‘Laughing Buddha’? A scholar of East Asian Buddhism explains
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  46. Real-time crime centers are transforming policing – a criminologist explains how these advanced surveillance systems work
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