In a groundbreaking development in neuroscience and artificial intelligence, researchers at the University of California, San Francisco, have given a voice back to someone who lost hers nearly two decades ago.

Ann Johnson, became paralyzed and unable to speak following a severe stroke in 2005, is now able to communicate again, but thanks to an innovative brain implant paired with artificial intelligence that helps her regain her communication.

For this to become a reality, a thin array of 253 electrodes was surgically implanted on the surface of her brain, specifically targeting areas responsible for speech. These electrodes capture neural signals that would typically control the movements of the lips, tongue, jaw, and vocal cords.

A cable connects the implant to an advanced AI system, which decodes these brain signals and converts them into words, allowing Ann to speak at a remarkable 78 words per minute. That’s a dramatic improvement over her previous communication device, which only managed about 14 words per minute. Here is a short clip of how it works.

While still experimental, researchers are optimistic about the future. They believe this technology could eventually become portable and wireless, making it accessible to more individuals with conditions like Ann’s.

For Ann, it’s more than just a scientific achievement, ratger, it’s a profound change in her ability to connect with the world around her.

This is a truly inspiring story of science and technology bringing hope where it once seemed out of reach.