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Cited by 199Morphological variations and asymmetryPleistocene-Era Hominins and ArchaeologyPrimate Behavior and Ecology

The DOI matches its Crossref record; 123 of the 127 references it cites were found in a registry or an index.

Endocranial shape changes during growth in chimpanzees and humans: A morphometric analysis of unique and shared aspects

Neubauer, Simon, Gunz, Philipp, Hublin, Jean-Jacques·2010·Journal of Human Evolution
DOI 10.1016/j.jhevol.2010.06.011
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Abstract

Compared to our closest living and extinct relatives, humans have a large, specialized, and complex brain embedded in a uniquely shaped braincase. Here, we quantitatively compare endocranial shape changes during ontogeny in humans and chimpanzees. Identifying shared and unique aspects in developmental patterns of these two species can help us to understand brain evolution in the hominin lineage. Using CT scans of 58 humans and 60 chimpanzees varying in age from birth to adulthood, we generated virtual endocasts to measure and analyze 29 three-dimensional endocranial landmarks and several hundred semilandmarks on curves and the endocranial surface; these data were then analyzed using geometric morphometric methods. The ontogenetic shape trajectories are nonlinear for both species, which indicates several developmental phases. Endocranial shape is already distinct at birth and there is no overlap between the two species throughout ontogeny. While some aspects of the pattern of endocranial shape change are shared between humans and chimpanzees, the shape trajectories differ substantially directly after birth until the eruption of the deciduous dentition: in humans but not in chimpanzees, the parietal and cerebellar regions expand relatively (contributing to neurocranial globularity) and the cranial base flexes within the first postnatal year when brain growth rates are high. We show that the shape changes associated with this early "globularization phase" are unique to humans and do not occur in chimpanzees before or after birth.

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Research works printed but not linked: 4

  1. Dabelow, 1929, Über Korrelationen in der phylogenetischen Entwicklung der Schädelform. I. Die Beziehungen zwischen Rumpf und Schadelform, Gegenb. Morph. Jahrb., 63, 1
  2. Dabelow, 1931, Über Korrelationen in der phylogenetischen Entwicklung der Schadelform. II. Beziehungen zwischen Gehirn und Schädelbasisform bei den Mammaliern, Gegenb. Morph. Jahrb., 67, 84
  3. Falk, 1986, Endocranial casts and their significance for primate brain evolution, vol. 1, 477
  4. Trenouth, 1999, Relationship of the functional oropharynx to craniofacial morphology, Angle. Orthod., 69, 419

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Metadata

Authors
Neubauer, S., Gunz, P., & Hublin, J.-J.
Affiliations
Max Planck Society (DE)
Corresponding author
Neubauer, Simon
ORCID
Venue
Journal of Human Evolution
Publisher
Elsevier BV
Published
2010-11
Volume
59
Issue
5
Pages
555-566
ISSN
0047-2484 (ISSN-L)
DOI
10.1016/j.jhevol.2010.06.011
OpenAlex
W2083984461
Cited by
199
References
127
Citations by year
2026: 2 · 2025: 7 · 2024: 7 · 2023: 6 · 2022: 8 · 2021: 10 · 2020: 15 · 2019: 11 · 2018: 17 · 2017: 14 · 2016: 21 · 2015: 20 · 2014: 23 · 2013: 14 · 2012: 15
FWCI
15.01
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Journal of Human Evolution (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Morphological variations and asymmetry
  • Social Sciences › Anthropology › Pleistocene-Era Hominins and Archaeology
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Primate Behavior and Ecology
Keywords
ontogeny, chimpanzees, human, brain evolution, hominin brain evolution, endocast
MeSH terms
Animals, Brain, Cephalometry, Pan troglodytes, Biological Evolution, Humans, Skull, Tomography, X-Ray Computed

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