| dc.creator | Perez, S. Ivan | |
| dc.date | 2003 | |
| dc.date.accessioned | 2021-04-20T00:22:46Z | |
| dc.date.available | 2021-04-20T00:22:46Z | |
| dc.identifier | http://www.ridaa.unicen.edu.ar/xmlui/handle/123456789/869 | |
| dc.identifier.uri | http://www.ridaa.unicen.edu.ar/xmlui/handle/123456789/869 | |
| dc.identifier.uri | http://suquia.ffyh.unc.edu.ar/handle/suquia/15782 | |
| dc.description | El objetivo de este trabajo es comparar técnicas derivadas de la
morfometría tradicional y geométrica para el análisis de la forma del
esqueleto facial a nivel intraespecífico. Como caso de estudio, se
analizaron tres muestras diacrónicas de individuos masculinos del Sudeste
de la Región Pampeana y dos del Nordeste de Patagonia (Barrientos y Perez
2002). Sobre las variables obtenidas a partir de la aplicación de las
distintas técnicas (proporciones, residuos multivariados, residuos
Procrustes y deformaciones parciales), se realizaron análisis de
componentes principales, correlación producto- momento de Pearson, ANOVA de
clasificación única y test post-hoc de la varianza (Least Significant
Difference o LSD). Se obtuvieron tres conjuntos de resultados representados
por: a) los residuos multivariados, b) las proporciones y los residuos
Procrustes, y c) las deformaciones parciales. Las diferencias observadas
entre tales conjuntos son consistentes con los resultados obtenidos en
recientes evaluaciones parciales e independientes de las técnicas
utilizadas en este trabajo. Los mismos indican que los residuos
multivariados son poco eficientes para separar el componente tamaño del
componente forma (Jungers et al. 1995), que las proporciones y los residuos
Procrustes describen el cambio global de la forma (Jungers et al. 1995;
Lynch et al. 1996), y que las deformaciones parciales proporcionan mayor
cantidad de información morfométrica con significado taxonómico ya que
describen las diferencias en la posición relativa de cada uno de los
landmarks considerados en el análisis (Rohlf et al. 1996). | |
| dc.description | The aim of this paper is to compare different techniques derived from
traditional and geometric morphometrics used to analyze the shape of the
cranio-facial skeleton at an intra-specific level. Three diachronic samples
belonging to male individuals from the southeastern Pampas were taken as
the case study. They belong to the Early/Middle Holocene transition (Ht/m,
ca. 8000 to 6000 B.P., n= 4), the Early Late Holocene (Htai, ca. 3000 to
2000 B.P., n= 6), and the Later Late Holocene (Htaf, ca. 1000 to 400 B.P.,
n= 4) (Barrientos and Perez 2002). The other two samples were taken from
the northeast of Patagonia, and although there is no radiometric
chronological data, they probably belong to the Late Holocene [e.g. Isla
Gama (IG), n= 6 and San Blas (SB), n= 8] (Figure 1 and Table 1). These
samples were chosen on the basis that they are currently being used to
study the peopling of the southeastern Pampas (Barrientos and Perez 2002).
Principal components analyses were performed on the variables obtained by
using several statistical techniques (ratios, multivariated residuals,
Procrustes residuals and partial warps), Pearson product-moment
correlation, one way ANOVA and a variance post hoc test (Least Significant
Difference or LSD). Three sets of results were obtained, and they are
represented by a) the multivariate residuals, b) the ratios and Procrustes
residuals and, finally, c) the partial warps. The differences registered
between these sets are consistent with the results obtained in a recent
partial evaluation made of the techniques employed in this paper. They
indicate that the multivariate residuals are not so efficient for
separating the size component from the shape component (Jungers et al.
1995), that the ratios and Procrustes residuals describe the global shape
change (Jungers et al. 1995; Lynch et al. 1995), and that the partial warps
offer a greater amount of taxonomically meaningful morphometric
information, since they describe the differences in the relative position
of each landmark considered for the analysis (Rohlf et al. 1996). | |
| dc.description | Fil: Perez, S. Ivan. Universidad Nacional de La Plata. Facultad de Ciencias
Naturales y Museo; Argentina. | |
| dc.format | application/pdf | |
| dc.language | spa | |
| dc.publisher | Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad
de Ciencias Sociales | |
| dc.relation | 1850-373X | |
| dc.rights | http://creativecommons.org/licenses/by-nc-sa/2.5/ar/ | |
| dc.rights | info:eu-repo/semantics/openAccess | |
| dc.subject | Poblaciones humanas | |
| dc.subject | Prehistoria | |
| dc.subject | Morfometría tradicional | |
| dc.subject | Morfometría geométrica | |
| dc.subject | Región pampeana | |
| dc.subject | Región patagónica | |
| dc.subject | Residuos multivariados | |
| dc.subject | Residuos Procrustes | |
| dc.subject | Esqueleto facial | |
| dc.subject | Antropología | |
| dc.title | Morfometría de poblaciones humanas prehistóricas: Una comparación de
técnicas tradicionales y geométricas | |
| dc.type | info:eu-repo/semantics/article | |
| dc.type | info:ar-repo/semantics/artículo | |
| dc.type | info:eu-repo/semantics/acceptedVersion | |
