Hand use and the evolution of posterior parietal cortex in primates

L. Hinkley, J. Padberg, L. Krubitzer, E. Disbrow

Research output: Chapter in Book/Report/Conference proceedingChapter

5 Scopus citations


Primates have an expanded posterior parietal cortex compared to other mammals. However, this expansion varies across primate taxa so that the size complexity of posterior parietal cortex increases in proportion to overall brain and body size. while portions of posterior parietal cortex might be unique to primates, a region resembling area 5 has been identified in a variety of mammals. However, the connections and function of this area vary across mammals so that area 5 in rodents and primates may be homologous but not completely analogous. Most clearly, area 5 is much more specialized for hand use in primates.

Original languageEnglish (US)
Title of host publicationEvolution of Nervous Systems
PublisherElsevier Inc.
Number of pages9
ISBN (Print)9780123708786
StatePublished - 2010


  • Area 5
  • Cortical fields
  • Motor cortex
  • Somatosensory system

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)


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