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Changes in perinatal conditions selected for neonatalimmaturity
Published online by Cambridge University Press: 30 October 2001
Abstract
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The mechanics of walking restructured the pelvis and narrowed thebirth-canal that selected for delays in skeletal ossification.Prolonged phases of fetal maturation increased the mass and volumeof the brain relative to adult body-size, as encephalizationincreased. Thus, bipedal- walking and episodic increases in homininebody size probably triggered selection for neonatal skeletalimmaturity that led to encephalization.
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- Brief Report
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- © 2001 Cambridge University Press
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