18,041 research outputs found

    Innovation diffusion and traveling waves

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    Can the Archaeology of Manual Specialization Tell Us Anything About Language Evolution? A Survey of the State of Play

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    In this review and position paper we explore the neural substrates for manual specialization and their possible connection with language and speech. We focus on two contrasting hypotheses of the origins of language and manual specialization: the language-first scenario and the tool-use-first scenario. Each one makes specific predictions about hand-use in non-human primates, as well as about the necessity of an association between speech adaptations and population-level right-handedness in the archaeological and fossil records. The concept of handedness is reformulated for archaeologists in terms of manual role specialization, using Guiard's model asymmetric bimanual coordination. This focuses our attention on skilled bimanual tasks in which both upper limbs play complementary roles. We review work eliciting non-human primate hand preferences in co-ordinated bimanual tasks, and relevant archaeological data for estimating the presence or absence of a population-level bias to the right hand as the manipulator in extinct hominin species and in the early prehistory of our own species

    Migrant workers in Rochdale and Oldham

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    This research focuses on the needs and experiences of Central and Eastern European migrants living and working in Rochdale and Oldham. It was commissioned by Oldham Housing Investment Partnership, Oldham Metropolitan Borough Council, Oldham Rochdale Housing Market Renewal Pathfinder and Rochdale Metropolitan Borough Council in January 2008 and was conducted by a team of researchers from the Salford Housing & Urban Studies Unit (SHUSU) at the University of Salford

    Stone tools and the linguistic capabilities of earlier hominids

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    The evolution of human manipulative abilities may be clearly linked to the evolution of speech motor control Both creativity and complexity in vocal and manipulative gestures may be closely linked to a single dimension of brain evolution — the evolution of absolute brain size. Inferring the linguistic capabilities of earlier hominids from their lithic artefacts, however, required us to take account of domain-specific constraints on manipulative skill In this article we report on a pilot flint-knapping experiment designed to identify such constraints ‘in action’
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