A model trained on 1,000 hours of fMRI predicts brain responses

Claim

Meta released TRIBE v2, a tri-modal foundation model trained on over a thousand hours of fMRI across 720 subjects, predicting high-resolution brain responses to novel stimuli and recovering decades of empirical neuroscience in a single training run.

Reported metric: 1,000 hours / 720 subjects

Reporting date: 2026-03-27 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

• Welcome to March 27, 2026 (theinnermostloop.substack.com)