Vol. 31 No. 90 (2024): Diversas temáticas desde las disciplinas antropológicas
Miscelánea

Integral morphology: a study of the evolution of the ear and language in hominid fossils

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  • Sandra Selene López Balderas

Published 2024-10-02

Keywords

  • language evolution, virtual anthropology, paleoanthropology, ear, speech frequencies

How to Cite

Integral morphology: a study of the evolution of the ear and language in hominid fossils. (2024). Cuicuilco Revista De Ciencias Antropológicas, 31(90), 35-53. https://revistas.inah.gob.mx/index.php/cuicuilco/article/view/21798

Abstract

This article describes, analyzes, and compares the anatomy of the outer ear with the cranial base from the perspective of cranial integration and modularity within the Hominidae family. Through an osteometric analysis conducted on digital models of computed tomography (CT) scans of skulls from different specimens belonging to the genera Australopithecus, Homo, Pan, Gorilla, Pongo, and Macaca. The result obtained shows that in all analyzed genera, there is a positive correlation between the ear and the cranial base, indicating a possible joint adaptation for the production and perception of verbal communication. Likewise, the presence of specific morphological variations in the anatomical structures necessary for phonation, such as the palate and audition, such as the external auditory canal, was confirmed. Highlighting a differentiation of anatomically modern humans from other primates and placing some fossils specimens between these two groups. These differences provide important clues about the possible origin of double-articulated language, which characterizes our species. The results can be applied in other paleoanthropological studies, contributing to the interpretation of osteological traits related to the production and perception of human language.

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