Striatal cholinergic interneurons exhibit compartment-specific anatomical and functional organization in the mouse

Proceedings of the National Academy of Sciences, Volume 123, Issue 1, January 2026. <br/>SignificanceCholinergic interneurons (CINs) are sparse but critical modulators of striatal activity. CINs are presumed to preferentially reside in the matrix and concentrate near striosome-matrix compartmental borders, an organizational principle that has …