Journal
CURRENT ANTHROPOLOGY
Volume 51, Issue -, Pages S135-S147Publisher
UNIV CHICAGO PRESS
DOI: 10.1086/650296
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The evolution of modern human behavior was undoubtedly accompanied by neurological changes that enhanced capacities for innovation in technology, language, and social organization associated with working memory. Constructive memory integrates components of working memory in the medial prefrontal cortex to imagine alternative futures. Enhanced mental time travel permits long-range strategic planning. Within this broadly conceived area of cognitive neuropsychology, I will focus on two stages of the evolution of cognitive faculties for planning. The first involves executing complex sequences of actions involving manufacture of multicomponent artifacts; the second involves enhanced planning through information sharing, which required the establishment of extended regional social interaction networks based on trust and cooperation. Both stages were probably accompanied by important innovations in grammatical speech.
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