How do specific modes of ritual performance facilitate the formation and expansion of human social groups throughout history? Harvey Whitehouse, a professor of social anthropology, utilizes a multi-disciplinary approach combining cognitive science, archaeology, and historical analysis to propose the Modes of Religiosity theory. He argues that human social evolution is defined by two distinct ritual pathways—the imagistic mode and the doctrinal mode—which serve different functions in maintaining group cohesion and enabling large-scale societal cooperation.

Scholars in the fields of cognitive anthropology and evolutionary studies frequently cite this work as a foundational text for understanding the mechanics of social bonding. Readers often note the academic density of the prose, which requires a basic familiarity with anthropological terminology to fully grasp the theoretical implications.