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Cranial index in a modern people of Thai ancestry

  • Woo, Eun Jin (Department of History, College of Liberal Art, Sejong University) ;
  • Jung, Hyunwoo (Department of Anthropology, The State University of New York) ;
  • Tansatit, Tanvaa (The Chula Soft Cadaver Surgical Training Center and Department of Anatomy, Faculty of Medicine, Chulalongkorn University)
  • Received : 2017.12.04
  • Accepted : 2017.12.07
  • Published : 2018.03.31

Abstract

The present research aims to examine the cranial index in a modern people of Thai ancestry. Ultimately, this study will help to create a databank containing a cranial index for the classifications of the people from Asia. In this study, 185 modern crania of people of supposed Thai ancestry were examined. They were collected from the Department of Anatomy at Chulalongkorn University in Bangkok, Thailand. The maximum cranial length and breadth were measured using standard anthropometric instruments based on Martin's methods. The cranial index was calculated using the equation ([maximum cranial breadth/maximum cranial length]${\times}100$). The mean cranial indices for the male and female skulls examined were $81.81{\pm}4.23$ and $82.99{\pm}4.37$, respectively. The most common type of skull in the modern Thai people in this study was the brachycranic type with a frequency of 42.7%, followed by the mesocranic (27.03%) and hyperbrachycranic types (25.59%). The rarest type observed in this study was the dolichocranic type (4.32%). The present study provides valuable data pertaining to the cranial index in a modern Thai population and reveals that modern Thai males and females belong to the brachycranic group. The results of this study will be of forensic anthropological importance to populations in close proximity to the location where the skulls studied here were sourced.

Keywords

References

  1. von Cramon-Taubadel N. Evolutionary insights into global patterns of human cranial diversity: population history, climatic and dietary effects. J Anthropol Sci 2014;92:43-77.
  2. Liebenberg L, Stull KE, L'Abbe EN, Botha D. Evaluating the accuracy of cranial indices in ancestry estimation among South African groups. J Forensic Sci 2015;60:1277-82. https://doi.org/10.1111/1556-4029.12770
  3. Kanchan T, Krishan K, Gupta A, Acharya J. A study of cranial variations based on craniometric indices in a South Indian population. J Craniofac Surg 2014;25:1645-9. https://doi.org/10.1097/SCS.0000000000001210
  4. Stolovitzky JP, Todd NW. Head shape and abnormal appearance of tympanic membranes. Otolaryngol Head Neck Surg 1990;102:322-5. https://doi.org/10.1177/019459989010200403
  5. Cohen MM Jr, Kreiborg S. Cranial size and configuration in the Apert syndrome. J Craniofac Genet Dev Biol 1994;14:153-62.
  6. Adejuwon SA, Salawu OT, Eke CC, Femi-Akinlosotu W, Odaibo AB. A craniometric study of adult humans skulls from Southwestern Nigeria. Asian J Med Sci 2011;3:23-5.
  7. Ilayperuma I. Evaluation of cephalic indices: a clue for racial and sex diversity. Int J Morphol 2011;29:112-7. https://doi.org/10.4067/S0717-95022011000100019
  8. Ishida H. Metric and nonmetric cranial variation of the prehistoric Okhotsk people. Anthropol Sci 1996;104:233-58. https://doi.org/10.1537/ase.104.233
  9. Koh KS, Han SH, Song WC, Sohn HJ, Paik DJ, Kim HJ, Choi BY. Secular changes of cephalic index in Korean adults. Korean J Phys Anthropol 2001;14:177-85. https://doi.org/10.11637/kjpa.2001.14.3.177
  10. Pietrusewsky M. A multivariate analysis of measurements recorded in early and more modern crania from East Asia and Southeast Asia. Quat Int 2010;211:42-54. https://doi.org/10.1016/j.quaint.2008.12.011
  11. Buikstra JE, Ubelaker DH. Standards for data collection from human skeletal remains. Arkansas Archaeological Survey Research Series 44. Fayetteville: Arkansas Archaeological Survey; 1994.
  12. Ubelaker DH. Human skeletal remains: excavation, analysis, interpretation. Washington, DC: Taraxacum; 1999.
  13. White TD, Folkens PA. The human bone manual. Amsterdam: Academic Press; 2005.
  14. Martin R, Knussmann R. Anthropologie. Handbuch der vergleichenden. Biologie des Menschen. Band I. Stuttgart: Fischer Verlag; 1988.
  15. Sangvichien S, Boonkaew K, Chuncharunee A, Komoltri C, Piyawinijwong S, Wongsawut A, Namwongsa S. Sex determination in Thai skulls by using craniometry: multiple logistic regression analysis. Siriraj Med J 2007;59:216-21.
  16. Rooppakhun S, Surasith P, Vatanapatimakul N, Kaewprom Y, Sitthiseripratip K. Craniometric study of Thai skull based on three-dimensional computed tomography (CT) data. J Med Assoc Thai 2010;93:90-8.
  17. Han SH, Hwang YI, Lee KH, Koh KS, Choi BY, Lee KS, Lee HY, Sir WS, Chung MS, Kim HJ, Kim DW, Kang HS. Cranimetric study in modern Korean adults. Korean J Phys Anthropol 1995;8:205-13. https://doi.org/10.11637/kjpa.1995.8.2.205
  18. Freas LE. Patterns of craniometric variation in modern Thai populations: applications in forensic antropology and implications for population history [dissertation]. Gainesville, FL: University of Florida; 2011.
  19. Kimmerle EH, Ross A, Slice D. Sexual dimorphism in America: geometric morphometric analysis of the craniofacial region. J Forensic Sci 2008;53:54-7. https://doi.org/10.1111/j.1556-4029.2007.00627.x
  20. Green H, Curnoe D. Sexual dimorphism in southeast Asian crania: a geometric morphometric approach. Homo 2009;60:517-34. https://doi.org/10.1016/j.jchb.2009.09.001
  21. King CA. Osteometric assessment of 20th century skeletons from Thailand and Hong Kong [dissertation]. Boca Raton, FL: Florida Atlantic University; 1997.
  22. Howells WW. Metrical analysis in the problem of Australian origins. In: Kirk RL, Thorne AG, editors. The Origin of the Australians. Canberra: Australian Institute of Aboriginal Studies; 1976. p.141-60.
  23. Desai SD, Shaik HS, Shepur MP, Thomas ST, Mavishettar GF, Haseena S. A craniometric study of South Indian adult dry skulls. J Pharm Sci Res 2013;5:33-4.
  24. Boonlop K, Bubpha S. A physical anthropology perspective on a mainland Southest Asian agrarian population: prehistoric skulls of Ban Chiang. In: Enfield NJ, editor. Dynamics of Human Diversity. Canberra: Pacific Linguistics; 2011. p.179-203.
  25. Kouchi M. Brachycephalization in Japan has ceased. Am J Phys Anthropol 2000;112:339-47. https://doi.org/10.1002/1096-8644(200007)112:3<339::AID-AJPA5>3.0.CO;2-6
  26. Kasai K, Richards LC, Brown T. Comparative study of craniofacial morphology in Japanese and Australian aboriginal populations. Hum Biol 1993;65:821-34.
  27. Hossain MG, Saw A, Ohtsuki F, Lestrel PE, Kamarul T. Change in facial shape in two cohorts of Japanese adult female students twenty years apart. Singapore Med J 2011;52:818-23.
  28. Li YY, Brace CL, Gao QA, Tracer DP. Dimensions of face in Asia in the perspective of geography and prehistory. Am J Phys Anthropol 1991;85:269-79. https://doi.org/10.1002/ajpa.1330850305
  29. Pietrusewsky M, Chang C. Taiwan aboriginals and peoples of the Pacific-Asia region: multivariate craniometric comparisons. Anthropol Sci 2003;111:293-332. https://doi.org/10.1537/ase.111.293
  30. Hanihara T. Population prehistory of east Asia and the Pacific as viewed from craniofacial morphology: the basic populations in east Asia, VII. Am J Phys Anthropol 1993;91:173-87. https://doi.org/10.1002/ajpa.1330910204
  31. Jantz RL. Cranial change in Americans: 1850-1975. J Forensic Sci 2001;46:784-7.
  32. Green R, Chapman PM. The problem with indices. Mar Pollut Bull 2011;62:1377-80. https://doi.org/10.1016/j.marpolbul.2011.02.016
  33. Kanchan T, Gupta A, Krishan K. Catergorization of human crania using cranial indices in a South Indian population. In: Proceedings of the 66th Annual Meeting of the Academy of Forensic Sciences; 2014 Feb 17-22; Seattle, WA, USA. Colorado Springs, CO: American Academy of Forensic Sciences; 2014.