A technological future where our brain waves could be monitored and our thoughts decoded and analyzed — sometimes against our will — is not as far away as we think. But our existing legal protections and conception of human rights around cognitive liberty are trailing innovations in neurotechnology. Brain hacking tools and devices could bring massive benefits, for people suffering from dementia or mental health disorders, for instance. If we want to avoid dystopian outcomes, though, we have to be deliberate about how we allow this technology to develop, says Nita Farahany, a bioethics researcher and professor at Duke University. In this talk, Farahany points to what we need to watch out for, and explains how to proceed carefully. With her 2023 book, “The Battle for Your Brain: Defending Your Right to Think Freely in the Age of Neurotechnology,” as a guide, she explains why several major tech companies are betting big on brain data collection tools. And she urges us to build safeguards to ensure a cognitively healthy society

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