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  1.  31
    Orienting Cognitive Science to Evolution and Development.Patricia J. Brooks & Sonia Ragir - 2014 - Topics in Cognitive Science 6 (1):143-144.
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  2.  38
    Prolonged Plasticity: Necessary and Sufficient for Language-Ready Brains.Patricia J. Brooks & Sonia Ragir - 2008 - Behavioral and Brain Sciences 31 (5):514-515.
    Languages emerge in response to the negotiation of shared meaning in social groups, where transparency of grammar is necessitated by demands of communication with relative strangers needing to consult on a wide range of topics (Ragir 2002). This communal exchange is automated and stabilized through activity-dependent fine-tuning of information-specific neural connections during postnatal growth and social development.
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  3.  21
    Changes in Perinatal Conditions Selected for Neonatal Immaturity.Sonia Ragir - 2001 - Behavioral and Brain Sciences 24 (2):291-292.
    The mechanics of walking restructured the pelvis and narrowed the birth-canal that selected for delays in skeletal ossification. Prolonged phases of fetal maturation increased the mass and volume of the brain relative to adult body-size, as encephalization increased. Thus, bipedal- walking and episodic increases in hominine body size probably triggered selection for neonatal skeletal immaturity that led to encephalization.
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  4. Retarded Development: The Evolutionary Mechanism Underlying the Emergence of the Human Capacity for Language.Sonia Ragir - 1985 - Journal of Mind and Behavior 6 (4):451-467.
  5.  12
    The Key to Cultural Innovation Lies in the Group Dynamic Rather Than in the Individual Mind.Sonia Ragir & Patricia J. Brooks - 2012 - Behavioral and Brain Sciences 35 (4):237-238.
    Vaesen infers unique properties of mind from the appearance of specific cultural innovation – a correlation without causal direction. Shifts in habitat, population density, and group dynamics are the only independently verifiable incentives for changes in cultural practices. The transition from Acheulean to Late Stone Age technologies requires that we consider how population and social dynamics affect cultural innovation and mental function.
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