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Craniofacial skeletal response to encephalization

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Bibliographic Data

ID8313643
AuthorsKate M Lesciotto (0000-0001-9537-5750, Department of Anthropology Pennsylvania State University University Park Pennsylvania, corresponding author), Joan T Richtsmeier (0000-0002-0239-5822, Department of Anthropology Pennsylvania State University University Park Pennsylvania, corresponding author)
Year2019
Volume168
IssueS67
Pages27-46
Publication date2019-01-01
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueAmerican Journal of Physical Anthropology (JOURNAL)
Journal identifiersISSN: 0002-9483 • E-ISSN: 1096-8644
PublisherWiley (PUBLISHER • GB)
DOI10.1002/ajpa.23766
PMID30680710
OpenAlexW2911597926
LanguageEN
Citations received2
References cited197

Dramatic changes in cranial capacity have characterized human evolution. Important evolutionary hypotheses, such as the spatial packing hypothesis, assert that increases in relative brain size (encephalization) have caused alterations to the modern human skull, resulting in a suite of traits unique among extant primates, including a domed cranial vault, highly flexed cranial base, and retracted facial skeleton. Most prior studies have used fossil or comparative primate data to establish correlations between brain size and cranial form, but the mechanistic basis for how changes in brain size impact the overall shape of the skull resulting in these cranial traits remains obscure and has only rarely been investigated critically. We argue that understanding how changes in human skull morphology could have resulted from increased encephalization requires the direct testing of hypotheses relating to interaction of embryonic development of the bones of the skull and the brain. Fossil and comparative primate data have thoroughly described the patterns of association between brain size and skull morphology. Here we suggest complementing such existing datasets with experiments focused on mechanisms responsible for producing the observed patterns to more thoroughly understand the role of encephalization in shaping the modern human skull

Biological evolution · Biology · Brain morphometry · Brain size · Crania · Cranial vault · Craniofacial · Encephalization · Evolutionary biology · Hominidae · Human brain · Human evolution · Primate · Skull · Anatomy · Forensic Anthropology and Bioarchaeology Studies · Medicine · Neuroscience · Pleistocene-Era Hominins and Archaeology · Primate Behavior and Ecology

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Unique citing works2
Citations per year0,33
Citation span2020 - 2020 (1)
Citation velocityhistorical
Highly citedNo
Citation typesNeutral: 2

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