Impact of aging in fingerprint ridge density: Anthropometry and forensic implications in sex inference
Authors
Sánchez Andrés, Ángeles; Barea , J.A.; Rivaldería Moreno, Noemí; Alonso Rodríguez, María Concepción; Gutiérrez Redomero, EsperanzaIdentifiers
Permanent link (URI): http://hdl.handle.net/10017/59870DOI: 10.1016/j.scijus.2018.05.001
ISSN: 1355-0306
Date
2018Affiliation
Universidad de Alcalá. Departamento de Ciencias de la Vida; Universidad de Alcalá. Departamento de Física y MatemáticasBibliographic citation
Science and Justice - Journal of the Forensic Science Society, 2018, v. 58, n. 5, p. 323-334
Keywords
Fingerprints
Ridge density
Sex inference
Aging
Anthropometry
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/publishedVersion
Rights
© Elsevier B.V.
Attribution 4.0 International (CC BY 4.0)
Access rights
info:eu-repo/semantics/openAccess
Abstract
The variation in the epidermal ridge's width between the sexes, during various growth stages, and among different populations has been previously assessed. However, the changes that occur with aging are barely known. The goal of this study was to analyse the degree of variation in epidermal ridge width due to aging. So that, fingerprint ridge density was estimated to establish their relationship with body and hand size changes that typically occur in adulthood. In this study, a sample of 213 adults of both sexes from a Spanish native population of different age ranges?18?30?years old (?junior? group) and 50?66?years old (?senior? group)?was used. Ridge density was assessed in three counting areas of the distal phalanx of each finger (radial, ulnar, and proximal). Height, weight, and a set of anthropometric measurements for both hands were also taken. Our results show that ridge density is higher in females than males throughout adulthood and decreases with aging in the radial and ulnar areas (as the hands widen) but not in the proximal region. Thus, a relationship between hand dimensions and ridge density was found. The data indicate that aging changes may conceal the recognized sex differences in ridge density, and so a better understanding of the topological variations in the epidermal ridge width throughout the life cycle and the factors involved would facilitate the interpretation of the differences between the sexes and different age groups.
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impact_sanchez_SJ_2018.pdf | 8.290Mb |
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