Author(s): Alex Chen Yi Zhang, Pablo Mateu Hoyos, David Brückner, and Gašper Tkačik In many developmental systems, cells differentiate into a tissue by reading out morphogen concentration fields, a process fundamentally limited by noise. How much can the precision of this process be improved by nonlocal information, e.g., via cell-cell communication? Using a Bayes-optimal framework… [Phys. Rev. Lett. 137, 038401] Published Wed Jul 15, 2026