The “mapping problem” in philosophy and cognitive science is the attempt to create a cartography—a map—of mind and reality. But Buddhism, especially in its Yogācāra or Zen themes, doesn’t just reject the adequacy of the map—it subverts the very legitimacy of the cartographer. Buddhism forces the 'cartographers' to confront themselves through what they believe to be who they are, which inevitably leads to a breakdown paving the way for no-mentation (無念, 無心), a fully opened mind that allows the light (prabhāsa) to come in.