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Cited by 9Morphological variations and asymmetryForensic Anthropology and Bioarchaeology StudiesCraniofacial Disorders and Treatments

Assessing cranial plasticity in humans: The impact of artificial deformation on masticatory and basicranial structures

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Cottin, Marion, Khonsari, Roman Hossein, Friess, Martin·2017·Comptes Rendus Palevol
DOI 10.1016/j.crpv.2017.03.001
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Abstract

Artificial cranial deformations (ACD) are a widespread cultural practice found in numerous historical and prehistoric contexts. Their study can yield valuable insight into craniofacial growth, specifically into the interactions between neurocranial and basicranial modules. This study seeks to reinvestigate the presumed effect of ACD on basicranial and masticatory elements by applying a 3D geometric morphometric approach to CT scans. A total of 51 French and Bolivian skulls, representing anteroposterior and circumferential deformations and including undeformed individuals, were scanned, and 3D landmarks were submitted to between-group principal components analysis and two-block partial least-squares analysis. Our results illustrate changes in basicranial shape and in cranial base angles induced by ACD, as well as in masticatory geometry, namely in the relative position of the mandibular fossae. Furthermore, our findings highlight differential effects of the various deformation types, which suggest that patterns of covariation between modified vaults and their associated basicrania are more complex than previously assumed, thereby stressing the degree of plasticity in human craniofacial growth. Les déformations artificielles du crâne (DAC) désignent une pratique culturelle observée dans de nombreux contextes historiques et préhistoriques. Leur étude nous renseigne sur la croissance craniofaciale, notamment l’interaction entre les modules neuro- et basicrâniens. L’objectif de cette étude est de réexaminer l’effet présumé des DAC sur les éléments basicrâniens et masticateurs, en appliquant des méthodes de morphométrie géométrique 3D à des analyses tomodensitométriques. Au total, 51 crânes d’origine française et bolivienne, représentant les déformations antéropostérieures et circonférentielles, ainsi que des individus non déformés, ont été scannés, et les coordonnées de points de repère 3D ont été étudiées par analyse en composantes principales intergroupes ainsi que par régression des moindres carrés partiels (PLS) avec deux blocs de covariation. Nos résultats illustrent des changements de conformation et d’angulation de la base du crâne, induits par les DAC, ainsi que de la géométrie masticatrice, notamment concernant les positions relatives de la fosse mandibulaire et du reste de la base du crâne. Nos observations soulignent des effets différentiels selon les types de déformation, ce qui suggère que les patrons de covariation entre une voûte modifiée et la base crânienne sont plus complexes que précédemment proposé.

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  • ACD can increase or decrease the covariation between different cranial regions, modifying the pattern of shape/size variation of other bones like the zygomatic bone, the shape and volume of craniofacial cavities, and the basicranial, and the relative position of the mandibular fossae.

    “This can probably increase or decrease the covariation between the different cranial regions, modifying the pattern of shape/size variation of other bones like the zygomatic bone [89], the shape and volume of craniofacial cavities [90,91], and the basicranial, and the relative position of the mandibular fossae [92].”

    From Morphological consequences of artificial cranial deformation: Modularity and integration (2020) · cites this paper as [92]

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  • ACD affects the morphological integration of the skull, showing a particular covariation trend depending on the deforming style.

    “ACD affects the morphological integration of the skull, showing a particular covariation trend depending on the deforming style [92].”

    From Morphological consequences of artificial cranial deformation: Modularity and integration (2020) · cites this paper as [92]

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Research works printed but not linked: 3

  1. Bräuer, G., 1988. Osteometrie. In: Knussmann, R., Martin, R. (Eds.), Anthro- pologie: Handbuch der vergleichenden Biologie des Menschen, Band 1. Gustav Fischer Verlag, Stuttgart, pp. 160-231.
  2. Janusek, J.W., 2008. Ancient Tiwanaku. Cambridge University Press, Cambridge.
  3. Verano, J.W., 2003. Human skeletal remains from Machu Picchu: A reexa- mination of the Yale Peabody Museum's Collections. In: Burger, R.L., Salazar, L.C. (Eds.), The 1912 Yale Peruvian Scientific expedition Col- lections from Machu Picchu. Human and Animal Remains, 85. Yale University Publications in Anthropology, pp. 65-117.

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Authors
Cottin, M., Khonsari, R. H., & Friess, M.
Affiliations
  • Muséum national d'Histoire naturelle (FR)
  • Assistance Publique – Hôpitaux de Paris (FR)
Corresponding author
Friess, Martin
ORCID
Venue
Comptes Rendus Palevol
Publisher
Museum National D'Histoire Naturelle
Published
2017-08
Volume
16
Issue
5-6
Pages
545-556
ISSN
1631-0683 (ISSN-L)
DOI
10.1016/j.crpv.2017.03.001
OpenAlex
W2614794468
Cited by
9
References
53
Citations by year
2025: 1 · 2024: 1 · 2022: 1 · 2021: 1 · 2020: 2 · 2019: 2 · 2018: 1
FWCI
1.89
Type
journal article
Language
en
Open access
Licence
Locations
  • Comptes Rendus Palevol (publishedVersion, cc-by-nc-nd)
  • HAL (submittedVersion, cc-by)
Funders
  • MH@SU
  • Pascal Frey
Topics
  • Physical Sciences › Mathematics › Geometry and Topology › Morphological variations and asymmetry
  • Social Sciences › Arts and Humanities › Archeology › Forensic Anthropology and Bioarchaeology Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Craniofacial Disorders and Treatments
Keywords
artificial cranial deformation, craniofacial growth, basicranium, stomatognathic system, cranial base angle, circumferential deformation, 3D geometric morphometrics

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