Trial participant Casey Harrell, pictured here in May 2026, has used the brain-computer interface at his home for two years. (IMAGE)

University of California - Davis Health

Trial participant Casey Harrell, pictured here in May 2026, has used the brain-computer interface at his home for two years.

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Trial participant Casey Harrell, pictured here in May 2026 with his family, has used the brain-computer interface at his home for two years. 

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Please attribute to: Regents of the University of California, Davis

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