A new study from the University of Cambridge demonstrates a novel AI system capable of translating brain activity into a continuous stream of text. The technology, which utilizes functional magnetic resonance imaging (fMRI) scans and a custom-trained large language model decoder, achieved significant accuracy in interpreting participants’ thoughts while they listened to or imagined stories. This non-invasive approach represents a major step toward potential applications in restoring communication for individuals with speech impairments due to conditions like stroke or motor neuron disease. The research, while promising, is currently limited by the need for extensive fMRI scanner time and individual model training, and the authors emphasize the importance of developing neurotechnology with appropriate ethical safeguards. For the full details, read the complete article at https://technologyreview.com/2024/05/13/1092511/ai-reads-brain-activity-to-reveal-what-part-of-a-movie-youre-watching/.