Scaling up the simian primate cortex

A conserved pattern of expansion across brain sizes

Research output: Chapter in Book/Report/Conference proceedingChapter (Book)Otherpeer-review

Abstract

The primate cerebral cortex shares a common plan of organization, but larger brains are not simply scaled-up versions of smaller brains—some cortical areas are disproportionately large in large brains, in comparison with small brains. We describe the use of computational methods to investigate how the size and location of different cortical areas changed in simian evolution. The results revealed a conserved pattern of expansion, likely to reflect the application of a shared developmental program to brains of different sizes. We also discuss how understanding evolutionary change is important for interpretation of human brain function and pathology.
Original languageEnglish
Title of host publicationEvolution of Nervous Systems
Subtitle of host publicationThe Nervous Systems of Non-Human Primates
EditorsJohn H. Kaas, Leah Krubitzer
Place of PublicationOxford, UK
PublisherElsevier
Pages99-111
Number of pages13
Volume3
Edition2
ISBN (Print)9780128040423
DOIs
Publication statusPublished - 2017

Keywords

  • anterior cingulate cortex
  • association areas
  • cerebral cortex
  • computational neuroanatomy
  • concerted evolution
  • cortical areas
  • development
  • lateral prefrontal cortex
  • mosaic evolution
  • primate
  • temporal parietal junction

Cite this

Chaplin, TA., Rosa, MGP., & Yu, H-H. (2017). Scaling up the simian primate cortex: A conserved pattern of expansion across brain sizes. In J. H. Kaas, & L. Krubitzer (Eds.), Evolution of Nervous Systems: The Nervous Systems of Non-Human Primates (2 ed., Vol. 3, pp. 99-111). Oxford, UK: Elsevier. https://doi.org/10.1016/B978-0-12-804042-3.00074-9
Chaplin, TA ; Rosa, MGP ; Yu, H-H. / Scaling up the simian primate cortex : A conserved pattern of expansion across brain sizes. Evolution of Nervous Systems: The Nervous Systems of Non-Human Primates. editor / John H. Kaas ; Leah Krubitzer. Vol. 3 2. ed. Oxford, UK : Elsevier, 2017. pp. 99-111
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Chaplin, TA, Rosa, MGP & Yu, H-H 2017, Scaling up the simian primate cortex: A conserved pattern of expansion across brain sizes. in JH Kaas & L Krubitzer (eds), Evolution of Nervous Systems: The Nervous Systems of Non-Human Primates. 2 edn, vol. 3, Elsevier, Oxford, UK, pp. 99-111. https://doi.org/10.1016/B978-0-12-804042-3.00074-9

Scaling up the simian primate cortex : A conserved pattern of expansion across brain sizes. / Chaplin, TA; Rosa, MGP; Yu, H-H.

Evolution of Nervous Systems: The Nervous Systems of Non-Human Primates. ed. / John H. Kaas; Leah Krubitzer. Vol. 3 2. ed. Oxford, UK : Elsevier, 2017. p. 99-111.

Research output: Chapter in Book/Report/Conference proceedingChapter (Book)Otherpeer-review

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AB - The primate cerebral cortex shares a common plan of organization, but larger brains are not simply scaled-up versions of smaller brains—some cortical areas are disproportionately large in large brains, in comparison with small brains. We describe the use of computational methods to investigate how the size and location of different cortical areas changed in simian evolution. The results revealed a conserved pattern of expansion, likely to reflect the application of a shared developmental program to brains of different sizes. We also discuss how understanding evolutionary change is important for interpretation of human brain function and pathology.

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KW - association areas

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KW - computational neuroanatomy

KW - concerted evolution

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KW - development

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KW - mosaic evolution

KW - primate

KW - temporal parietal junction

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Chaplin TA, Rosa MGP, Yu H-H. Scaling up the simian primate cortex: A conserved pattern of expansion across brain sizes. In Kaas JH, Krubitzer L, editors, Evolution of Nervous Systems: The Nervous Systems of Non-Human Primates. 2 ed. Vol. 3. Oxford, UK: Elsevier. 2017. p. 99-111 https://doi.org/10.1016/B978-0-12-804042-3.00074-9