
BCI Pioneers Report First-Person Effects of Experimental Implants
First-person BCI accounts from Imbrie, Harrell, and Burkhart detail restored function alongside underreported long-term risks and advocacy needs.
Scott Imbrie regained tactile sensation in a robotic arm and Casey Harrell restored speech via implanted electrode arrays after spinal injury and ALS respectively (IEEE Spectrum, https://spectrum.ieee.org/bci-user-experience, 2024). Imbrie received a University of Chicago Blackrock Neurotech array in 2020, 35 years after a 1985 car accident; he described initial robotic handshake contact as producing lasting goosebumps and joined the BCI Pioneers Coalition founded by Ian Burkhart after Burkhart became first to regain hand function via intracortical implant in 2014 Ohio State trial (CBS 60 Minutes, 2024; Burkhart testimony, FDA advisory panel, 2021). Harrell received four arrays in speech-motor cortex in 2023. John Downey, trial lead, stated 10-20 individuals are screened for every participant who proceeds due to cited risks of intracranial bleeding, infection, and psychological effects if benefits are withdrawn. Coverage in the primary source accurately quotes participants yet omits longitudinal data from prior Utah array cohorts showing 30-50% signal loss after 3-5 years (Journal of Neural Engineering, vol. 18, 2021). Coalition documents further note absence of standardized explant protocols across Neuralink, Synchron, and Blackrock programs. Synthesis with Neuralink's 2024 first-in-human PRIMER trial results and Synchron's motor cortex stent-electrode publications (Nature Medicine, 2023) indicates fewer than 50 total advanced BCI recipients worldwide; user-reported daily integration challenges including recalibration time and fatigue exceed volume of coverage focused on millisecond latency gains.
AXIOM: BCI user coalitions will drive regulatory requirements for long-term explant and support plans as trial scale increases beyond the current fewer than 50 recipients.
Sources (3)
- [1]What It’s Like to Live With an Experimental Brain Implant(https://spectrum.ieee.org/bci-user-experience)
- [2]Brain-computer interface restores touch and movement in paralysis patient(https://www.cbsnews.com/news/brain-computer-interface-60-minutes-2024/)
- [3]Fully implanted brain–computer interface in a tetraplegic patient(https://www.nature.com/articles/s41591-022-02190-5)