This framework matters because it turns vague claims into testable possibilities. When researchers apply these four pathways to topics like visual illusions, exact counting, or how we map numbers onto space, they can design experiments and field studies that separate strengthened tendencies from lost capacities or newly built skills. That makes debates less about which side is right and more about which pathway best fits the data and the history of a given practice.

For readers interested in human potential, the payoff is practical. Understanding whether a cognitive difference reflects a lost option, an acquired skill, or a culturally encouraged habit changes how educators, designers, and communities respond. Follow the full article to see concrete examples and to explore how these distinctions might unlock more inclusive ways to support learning and reasoning across diverse populations.
Human culture and cognition vary widely across groups, but how exactly culture ‘shapes’ cognition remains underspecified. In this review, we outline four qualitatively different pathways by which culture can shape cognition. In this framework, culture can (i) privilege some cognitive processes, while leaving alternative processes intact; (ii) prune unused alternative processes, which are irretrievably lost; (iii) produce new cognitive processes; or (iv) have no effect on cognition at all. To illustrate the utility of this framework, we apply it to three debated effects of culture on cognitive processes, namely, visual illusions, large exact number abilities, and spatial–numerical associations. The distinctions we propose can serve to reframe long-standing debates, sharpen empirical predictions, and open new avenues of research in cognitive diversity.