This looks absolutely amazing. Rats composing long action sequences out of short ones. mPFC constructing the long sequence on the fly. Reusing the primitive representations but composing them with progression along the composite. One of the most impressive things I have ever seen a rodent do.
Tim Behrens
Universal Geometry of Compositional Construction in Prefrontal Cortex https://www.biorxiv.org/content/10.64898/2026.04.23.720375v1
