Experimental Brain Implant Allows Mute Man to Speak Again
Terry Mandable, diagnosed with ALS, has regained the ability to communicate through a Neuralink device that translates his thoughts into speech.
An experimental brain implant developed by Neuralink has enabled a man diagnosed with Amyotrophic Lateral Sclerosis (ALS) to speak again, translating his thoughts into words and speech.
Terry Mandable, whose ability to speak was progressively lost due to ALS, can now communicate through a chip implanted in the speech motor region of his brain. The device detects neural activity associated with his attempts to speak and uses artificial intelligence to decode these signals into text and audible speech via a computer.
In a particularly emotional moment, Mandable looked at his wife, Lori, and thought the words "I love you." The system then displayed these words on a screen and spoke them aloud, astonishing his wife. "You're thinking the words? And they're popping up?" she marveled.
Lori described her husband as an extrovert who loved to talk, making his struggle to communicate increasingly heartbreaking. Before his diagnosis, Mandable had reached a high point in his career, having recently been made a partner at his company. However, as his condition worsened, his speech became slurred, leading to difficulties in both professional and personal life. He was eventually placed on long-term disability and retired.
"Losing my voice has affected me in a lot of ways," Mandable stated. "I hope this will allow me to be a part of the conversation again." This hope led the couple to participate in Neuralink's experimental Voice study, where Mandable became the third participant.
The Technology and Study
The Neuralink device is a brain-computer interface designed to detect brain signals and interpret a participant's intended speech. The system utilizes thousands of channels to capture neural activity, with researchers focusing on the speech motor region. When Mandable attempted to speak, his neural activity registered significantly.
Researchers then trained a decoder to translate his neural signals into speech. Mandable was shown sentences and instructed to attempt saying them, even if the sounds were not intelligible to others. "Our understanding doesn't matter," a researcher explained. "All that matters are your brain signals and your intention." As the system learned the patterns of his brain activity, it began to produce recognizable language.
In one demonstration, the computer stated, "Hello, how are you doing today?" Mandable was informed, "You just got your voice back." The experiment further progressed when he could simply think words, rather than physically attempt to produce them.
Restoring Communication and Connection
For Lori, the impact of the technology has been profound. "That impact of giving him his speech back has been remarkable," she said, noting it restored an integral part of her husband's identity. She emphasized how ALS shifted her perspective on priorities, highlighting the value of simple communication.
"What this means for him and for us - something that I know I took for granted - to just be able to have a conversation with my husband, this means the world to us, to be able to have that communication back," Lori expressed.
The technology remains experimental and is not yet FDA-approved for general use, requiring further research before potential widespread availability. However, for Mandable and his wife, it has already provided an invaluable restoration of connection and expression.