TY - RPRT TI - Cellular-resolution Three-photon Ultra-Deep Imaging (TrUDI) of neuronalpopulation activity at 2 mm depth in the mammalian brain AU - Santra, K. AU - Logiacco, F. AU - Frechou, A. AU - Barber, K. AU - Bellafard, A. AU - Liou, J.-y. AU - Vaziri, A. PY - 2026 DO - 10.64898/2026.10.16.759624 UR - https://www.biorxiv.org/content/10.64898/2026.10.16.759624v1 ID - 10.64898/2026.10.16.759624 ER -