Four senior BCI neurosurgeon-scientists use Nature Neuroscience to press for tighter research ethics as implant numbers scale
Four clinician-scientists from Mayo Clinic, University College London, and Sichuan University published a Comment in Nature Neuroscience on 7 September 2026 setting out four ethical priorities for implantable brain-computer interface research: separating research participation from patient care, ensuring long-term support for study participants, avoiding disproportionate risks to participants for benefits realised mainly by others, and grounding research in meaningful clinical purpose. Lead author Kai J. Miller (Mayo Clinic) is the corresponding author. Senior author Gerwin Schalk (West China Hospital, Sichuan University) is the second corresponding author. Co-author Harith Akram (UCL Queen Square) declares a conflict of interest as Chief Investigator of Neuralink's GB-PRIME UK study. The Comment lands one day after Germany's outgoing federal data protection commissioner pressed Europe for tighter rules on bidirectional BCI, and ten months after UNESCO's General Conference adopted the first global standard on the ethics of neurotechnology in November 2025.