Brain Implant Allows Paralyzed People to Type at Texting Speeds

A brain-computer interface decodes neural signals to translate thoughts into text at up to 22 words per minute.

Mar. 16, 2026 at 4:24pm by Ben Kaplan

Got story updates? Submit your updates here. ›

Scientists have developed a brain-computer interface (BCI) that allows people with near-total paralysis to type at speeds of up to 22 words per minute, nearly as fast as the average person can text on a smartphone. The BCI system uses an implanted electrode chip that listens to and decodes electrical signals from the brain's motor cortex, translating intended hand and finger movements into cursor movements and text on a virtual keyboard.

Why it matters

For people with severe paralysis who have lost the ability to speak and use their hands, the ability to communicate easily online in real time is a major challenge. This BCI technology represents a significant advance that brings brain-computer typing much closer to practical communication speeds for the paralyzed population.

The details

The BCI system was tested on two participants - one with amyotrophic lateral sclerosis (ALS) and one with a spinal cord injury. It was able to achieve typing speeds of up to 110 characters per minute (22 words per minute) with a low word error rate of 1.6%. This outperforms previous BCI typing systems that required users to control a cursor to select individual letters. The system works by decoding intended hand and finger movements from the brain's motor cortex using an AI model.

  • The findings were published on March 16, 2026 in the journal Nature Neuroscience.

The players

Justin Jude

A postdoctoral researcher at BrainGate/Brown University and an appointed Research Fellow at Massachusetts General Hospital and Harvard Medical School, who was the lead author of the study.

Daniel Rubin

A critical care neurologist at Massachusetts General Hospital and assistant professor of neurology at Harvard Medical School, who was a coauthor on the study.

Edward Chang

A professor of neurological surgery at the University of California, San Francisco, who was not involved in the study but commented on its significance.

Got photos? Submit your photos here. ›

What they’re saying

“This is an important technical advance that brings brain-computer typing much closer to practical communication speeds for people with paralysis.”

— Edward Chang, Professor of Neurological Surgery, University of California, San Francisco

“At about 22 words per minute, this is among the fastest motor-cortex typing BCIs yet and dramatically faster than most earlier neural spellers.”

— Edward Chang, Professor of Neurological Surgery, University of California, San Francisco

“Communication speed matters, because being part of a conversation matters.”

— Daniel Rubin, Critical Care Neurologist, Massachusetts General Hospital and Assistant Professor of Neurology, Harvard Medical School

What’s next

The researchers say the technology is not yet ready for widespread use, as the study was small and the device requires invasive brain surgery. Further development and testing is needed before the BCI system could be approved for commercial use.

The takeaway

This breakthrough in brain-computer interface technology represents a major step forward in enabling paralyzed individuals to communicate more effectively and participate in conversations in real-time, which can have a profound impact on their quality of life and social engagement.