Moscow University
Anthropology
Bulletin

To the problem of correlation relationships of the craniometric traits of a human cranium

Pezhemsky D.V. (1,3), Fedorchuk O.A. (2,3)

1) Lomonosov Moscow State University, Anuchin Research Institute and Museum of Anthropology, Mochovaya st., 11, Moscow, 125009, Russia 2) Lomonosov Moscow State University, Faculty of Biology, Department of Anthropology, Leninskie Gory, 1,12, Moscow, 119234, Russia 3) Paleoethnology Research Center, Novaya Ploshchad, 12-5,, Moscow, Russia 109012

Pezhemsky Denis Valerevich, PhD; ORCID ID 0000-0003-3931-4560; pezhemsky@yandex.ru; Fedorchuk Olga Alekseevna, Researcher, ORCID ID 0000-0002-9645-2014; lela.fed@yandex.ru;

Abstract

Introduction. Although the methods of mathematical processing of primary data are developing incredibly fast, some patterns of correlation variability of different parts of the human skull are not fully understood. This study describes the correlation relationships of the basic dimensions of the human skull, including those which are almost unexplored. Because previously such studies were performed only based on of male skull data, an important part of this work was the comparison of correlation relationships that are specific to female skulls separately. Materials and methods. In this study cranial data on eighteen craniological samples have been used, including 1669 skulls. 17 series are from Eurasia and one is from the Aleutian Island. All series are dated close to the present day – XVI-XX. The research program included 9 craniometric measurements of the neurocranium and 8 craniometric measurements of the facial part of the skull. 4 additional rarely used features were measured as well. Results. The common correlations matrix was calculated based on the gathered data. The collected coefficients were compared with coefficients of the S.G. Efimova matrix for the verification of our coefficients. As a result of this comparison, minor differences between matrices were shown. Thus, the matrix we got in this research contains coefficients which represent real relationships of the measurements of the human skull. Negative coefficients of correlation between sizes of the skull were not observed. The measurements of the skull arch are more connected with each other than the ones of the base of the skull. Measurements of the facial part of the skull are less connected with each other than the ones of the neurocranium. The correlational structure characteristic for female skulls is very similar to the one for male skulls, but in the female sample the value of the coefficients is less than in male samples. Conclusion. The analysis of these relationships showed that most of the cranial features are connected with each other by small or very small correlation coefficients. A correlation equal to 0,5 is characteristic of features located close to each other or features which characterize the same direction of growth.

Keywords

physical anthropology; paleoanthropology; craniology; biological correlation; relative correlative variability

DOI: 10.32521/2074-8132.2020.2.126-137

Цит.: Pezhemsky D.V., Fedorchuk O.A. To the problem of correlation relationships of the craniometric traits of a human cranium // Moscow University Anthropology Bulletin (Vestnik Moskovskogo Universiteta. Seria XXIII. Antropologia), 2020; 2/2020; с. 126-137

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