This work investigates the fundamental question of how different modes of religious transmission influence the structure of memory and the resulting patterns of political and social organization. Harvey Whitehouse, a prominent cognitive anthropologist, utilizes ethnographic data from four distinct Melanesian religious traditions to construct a dual-process model of religiosity. He argues that religious systems generally fall into two distinct modes—the imagistic and the doctrinal—which dictate how information is encoded, recalled, and institutionalized within a society.

Scholars in the fields of cognitive science and anthropology frequently cite this text as a foundational contribution to the study of religious evolution. Readers often note the academic density of the prose, which requires a strong background in social theory to fully synthesize the author's arguments.