Cognitive maps as a medium for thought.

Cognitive maps are essential for navigation, but to what extent are they involved in thinking more broadly? In this opinion article, we examine whether cognitive maps constitute a genuine vehicle for thought and how they relate to the notion of a language of thought. Integrating work from philosophy, psychology, and neuroscience, we suggest that map-like representations offer a distinct, flexible medium for encoding information and exhibit compositionality in both spatial and nonspatial domains. We then consider how dynamic neural mechanisms-replay, theta sequences, and vector computation-may transform map-based representations into sequential routelike formats that interface with cortical systems supporting propositional thinking. Cognitive maps may be complementary to symbolic cognition, jointly enabling flexible human reasoning.