Chapter

Towards a unified view of cerebral hemispheric specializations in vertebrates

Peter F. Macneilage

in Comparative Neuropsychology

Published in print March 1998 | ISBN: 9780198524113
Published online March 2012 | e-ISBN: 9780191689116 | DOI: https://dx.doi.org/10.1093/acprof:oso/9780198524113.003.0010
Towards a unified view of cerebral hemispheric specializations in vertebrates

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This chapter can be regarded as a sequel to George Ettlinger's 1984 paper, ‘Humans, apes and monkeys: the changing neuropsychological viewpoint’. He noted that in 1963 ‘there was no evidence for cerebral functional asymmetry in any nonhuman animal’. He then reviewed a number of findings of functional asymmetries in other primates, reported in the following twenty years and concluded that while ‘it might be prudent not to assert that cerebral hemispheric specialization is homologous in man and in monkey…the likelihood of such an eventual outcome has increased enormously’. This chapter contends that there is not only homology across vertebrate taxa for a number of individual specializations, but there is probably some evolutionary continuity in relationships between specializations.

Keywords: cerebral hemisphere; functional asymmetry; primates; evolution; homology; vertebrate taxa

Chapter.  7881 words. 

Subjects: Neuropsychology

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