A test of the revised auricular surface aging method on a modern European population.

The accurate age estimation of adults is an important step in the construction of the biological profile of skeletonized remains. The auricular surface of the ilium as it was developed in 1985 by Lovejoy et al., is one of the methods employed for age estimation. This study presents the results of a blind test of the revised auricular surface aging method developed by Buckberry and Chamberlain. A sample of 120 individuals from the Athens Collection was used to test this revised aging technique. Almost all features and composite score were positively correlated with known age-at-death. The calculation of bias demonstrated no obvious trend for either overestimation or underestimation of age when all individuals were pooled together. Inaccuracy showed that absolute errors of estimated ages against known ages are substantial. The data generated from this study suggest that the revised method can be reliable for age estimation on a modern European population.

A simple technique for imaging the human skeleton using a flatbed scanner.

A simple technique for imaging the human skeleton with a flatbed scanner is presented using the auricular surface of the ilium as an example. A flatbed scanner with resolution capabilities of 600 dpi or greater allows for images of human bones. The auricular surface of the ilium was selected to demonstrate this technique as it is a fairly three-dimensional area that can be difficult to record photographically. Fifty left ilia of various ages at death from the Athens Collection were selected from which three observers (SCF, CE, and IM) scored the morphology of the auricular surface using a well-established aging method. Observations were taken of the dry bone, of digital photographs of the bone, and of scanned images of the bone, and in that sequence. Results indicate that scores of scanned images are equivalent or better than digital images of the same ilia. This technique allows for sharing data electronically with ease.

Sex determination using metacarpal biometric data from the Athens Collection.

Forensic anthropologists and bioarchaeologists usually determine sex by analyzing quantitative and qualitative characters of the human skeleton. In general, the pelvis and skull are the skeletal parts used most often, but in many cases these parts are missing or fragmentary. In such circumstances, it is necessary to use techniques based on other skeletal elements. The primary aim of this work is to determine whether metacarpals can be used for the determination of sex specifically in a Greek population. A secondary step is to describe and develop linear discriminant function equations for sex determination based on a contemporary Greek population using metacarpal biometric data. The skeletal sample of the modern Greeks is housed at the National and Kapodistrian University of Athens (NKUA) is comprised of 993 metacarpals (left and right), corresponding to 151 adult individuals (84 males and 67 females). The correct sex classification reached an accuracy of 83.7-88.1% for left and 83.8-89.7%, for right metacarpals. Our results suggest that metacarpals can be used for sexing in bioarchaeological, and forensic studies, in addition to other sex determination techniques.

The questionable contribution of the Neolithic and the Bronze Age to European craniofacial form.

Many human craniofacial dimensions are largely of neutral adaptive significance, and an analysis of their variation can serve as an indication of the extent to which any given population is genetically related to or differs from any other. When 24 craniofacial measurements of a series of human populations are used to generate neighbor-joining dendrograms, it is no surprise that all modern European groups, ranging all of the way from Scandinavia to eastern Europe and throughout the Mediterranean to the Middle East, show that they are closely related to each other. The surprise is that the Neolithic peoples of Europe and their Bronze Age successors are not closely related to the modern inhabitants, although the prehistoric/modern ties are somewhat more apparent in southern Europe. It is a further surprise that the Epipalaeolithic Natufian of Israel from whom the Neolithic realm was assumed to arise has a clear link to Sub-Saharan Africa. Basques and Canary Islanders are clearly associated with modern Europeans. When canonical variates are plotted, neither sample ties in with Cro-Magnon as was once suggested. The data treated here support the idea that the Neolithic moved out of the Near East into the circum-Mediterranean areas and Europe by a process of demic diffusion but that subsequently the in situ residents of those areas, derived from the Late Pleistocene inhabitants, absorbed both the agricultural life way and the people who had brought it.