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OverviewThis is the first volume to address directly the question of the speciation of modern Homo sapiens. The subject raises profound questions about the nature of the species, our defining characteristic (it is suggested it is language), and the brain changes and their genetic basis that make us distinct. The British Academy and the Academy of Medical Sciences have brought together experts from palaeontology, archaeology, linguistics, psychology, genetics and evolutionary theory to present evidence and theories at the cutting edge of our understanding of these issues. Palaeontological and genetic work suggests that the transition from a precursor hominid species to modern man took place between 100,000 and 150,000 years ago. Some contributors discuss what is most characteristic of the species, focussing on language and its possible basis in brain lateralization. This work is placed in the context of speciation theory, which has remained a subject of considerable debate since the evolutionary synthesis of Mendelian genetics and Darwinian theory. The timing of specific transitions in hominid evolution is discussed, as also is the question of the neural basis of language. Other contributors address the possible genetic nature of the transition, with reference to changes on the X and Y chromosomes that may account for sex differences in lateralization and verbal ability. These differences are discussed in terms of the theory of sexual selection, and with reference to the mechanisms of speciation. These essays will be vital reading for anyone interested in the nature and origins of the species, and specifically human abilities. Full Product DetailsAuthor: T. J. CrowPublisher: Oxford University Press Imprint: Oxford University Press Volume: No.106 Dimensions: Width: 18.90cm , Height: 2.80cm , Length: 24.60cm Weight: 0.615kg ISBN: 9780197262467ISBN 10: 0197262465 Pages: 272 Publication Date: 01 July 2001 Audience: Professional and scholarly , Professional & Vocational Format: Hardback Publisher's Status: Active Availability: To order  Stock availability from the supplier is unknown. We will order it for you and ship this item to you once it is received by us. Table of ContentsReviews... some clear overviews and excellent reviews. Heredity The arguments Crow has collated are well constructed ... a challenging and thought-provoking discussion on what it means to be human. British Journal of Psychiatry A rich haul of ideas and answers. New Scientist Author InformationTab Content 6Author Website:Countries AvailableAll regions |
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