Abstract

The Indian subcontinent lies on a key east-west corridor for hominin expansions across Asia, which has led to it playing a prominent role in debate surrounding the dispersal of modern humans. The current geography and ecology of the region consists of a diverse array of habitats. An examination of changes in monsoonal intensity indicates that geographic reconfiguration of ecological diversity occurred, but at a regional level, South Asia is shown to provide suitable environments for hominin occupations throughout the Late Pleistocene. Unfortunately, the fossil record of South Asia remains poor, preventing decisive resolution of modern human dispersal debates. However, in the past decade new interdisciplinary approaches to the archaeological record have overhauled the framework for understanding behavioral change during the Late Pleistocene. While the nature of the Late Acheulean to Middle Paleolithic transition remains to be resolved, it is now clear that it appears significantly later than in other Old World regions and may coincide with the expansion of modern humans across Asia. Mounting evidence supports a gradual rather than abrupt transition from Middle to Late Paleolithic technologies, which does not easily reconcile with arguments for the introduction of microlithic tool kits by the earliest expansions of modern humans.

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