Neurotechnology ethics encompasses the moral, social, and legal questions raised by technologies that record, stimulate, or interface with the human nervous system. As neurotechnologies advance from research tools to clinical and consumer products, ethical considerations around mental privacy, cognitive liberty, identity, agency, and equitable access have become increasingly urgent.

Central concerns include the protection of neural data — the signals recorded from a person’s brain that may reveal thoughts, emotions, health status, or cognitive states — from unauthorized access, commercial exploitation, or coercive use. The concept of cognitive liberty, the right to mental self-determination and freedom from unauthorized neural intervention, has emerged as a proposed fundamental right. Questions of informed consent become especially complex when neurotechnology users include individuals with diminished capacity for autonomous decision-making.

Governance frameworks for neurotechnology are evolving across jurisdictions, from Chile’s constitutional recognition of neurorights to UNESCO’s deliberations on global norms. The neuroethics community advocates for proactive governance that anticipates the capabilities of emerging neurotechnologies rather than responding reactively. Key challenges include balancing innovation with protection, establishing meaningful standards for neural data governance, and ensuring that the benefits of neurotechnology are accessible across socioeconomic and geographic boundaries.