Modern Human Origins and the Evolution of Behavior in the Later Pleistocene Record of South Asia

Abstract

The archaeological record of Later Pleistocene South Asia has a crucial role to play in our understanding of the evolution of modern human behavior and the dispersal of anatomically modern humans around the Old World. Later Pleistocene records of South Asia are here summarized and placed in the context of the modernhumanorigins debate. Aspects of the South Asian record share familiar traits with other regions of the Old World, but South Asia also appears to have its own adaptive features and material culture developments. The fluctuating environment during the Later Pleistocene would have influenced the adaptations of anatomically modern and archaic humans, affecting population size, movement, and the usefulness of cultural innovations. On the basis of prevailing genetic, archaeological, and biogeographic information, it is hypothesized that Homo sapiens colonized South Asia as part of an early southern dispersal from Africa. The effect of demographic processes on the rate and direction of cultural change is proposed as an explanation for the lack of a symbolic revolution signaling the arrival of anatomically modern humans on the Indian subcontinent. Instead, the Late Paleolithic represents a diversification of adaptive behaviors that may be traced to the Middle Paleolithic.

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