MIT Technology Review Research
6/19/2026

Brain-computer interface trials are taking off
Short summary
Casey Harrell, paralyzed by ALS, has become the first major power user of a brain-computer interface (BCI) implant, using it successfully for nearly three years to communicate and restore function. MIT Technology Review reports on expanding clinical BCI trials and their implications for accessibility and neurotechnology. The article highlights a major breakthrough in practical neural interface applications for patients with severe motor impairment.
- •Casey Harrell with ALS is the first major BCI power user, communicating via implant for three years
- •BCI trials are expanding with growing evidence of long-term viability for severely paralyzed patients
- •Breakthrough demonstrates practical neural interface potential for accessibility and medical applications
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