AI can now translate brain scans to text
10 months ago
- #brain-decoding
- #AI
- #neuroscience
- Scientists developed a decoder using MRI scans and AI to reconstruct the gist of what a person hears or imagines.
- The system focuses on semantics and meaning rather than exact word replication.
- The technology requires active cooperation from participants and cannot read minds involuntarily.
- Potential applications include aiding individuals unable to speak due to brain injuries or diseases.
- The study involved participants listening to podcasts in an MRI scanner to map brain activity to language.
- AI, including an early version of ChatGPT, helped reconstruct intelligible sentences from brain activity patterns.
- The decoded versions were paraphrased and sometimes contained errors.
- The system also worked with imagined speech and non-verbal video content.
- MRI-based decoding is slower and less accurate than invasive methods using brain implants.
- Ethical concerns arise regarding the potential misuse of such technology to read thoughts without consent.