Navigation Links
Study finds significant skull differences between closely linked groups
Date:4/12/2012

In order to accurately identify skulls as male or female, forensic anthropologists need to have a good understanding of how the characteristics of male and female skulls differ between populations. A new study from North Carolina State University shows that these differences can be significant, even between populations that are geographically close to one another.

The researchers looked at the skulls of 27 women and 28 men who died in Lisbon, Portugal, between 1880 and 1975. They also evaluated the skulls of 40 women and 39 men who died between 1895 and 1903 in the rural area of Coimbra, just over 120 miles north of Lisbon.

The researchers found significant variation between female skulls from Lisbon and those from Coimbra. "The differences were in the shape of the skull, not the size," says Dr. Ann Ross, professor of anthropology at NC State and co-author of a paper describing the study. "This indicates that the variation is due to genetic differences, rather than differences of diet or nutrition." The researchers found little difference between the male skulls.

Specifically, the researchers found that the female skulls from Lisbon exhibited greater intraorbital distance than the skulls of Coimbra females. In other words, the women from Lisbon had broader noses and eyes that were spaced further apart.

This difference in craniofacial characteristics may stem from an influx of immigrants into Lisbon, which is a port city, Ross says. However, it may also be a result of preferential mate selection meaning Lisbon men were finding mates abroad, or were more attracted to women with those facial features.

"Finding this level of dimorphism between groups in such close proximity to each other highlights the importance of examining human variation if we hope to make informed assessments of skeletal remains," Ross says. "That's true whether you're working in a biohistorical context or engaged in forensic analysis with law enforcement."


'/>"/>
Contact: Matt Shipman
matt_shipman@ncsu.edu
919-515-6386
North Carolina State University
Source:Eurekalert  

Related medicine news :

1. Huntingtons Disease Linked to Reduced Cancer Risk in Study
2. Disrupted Sleep May Raise Risk for Obesity, Diabetes: Study
3. Some Folks Just Cant Help Being Nice, Study Suggests
4. Codeine After Surgery Could Endanger Certain Kids: Study
5. Common Blood Pressure Drug Safe for Heart Failure: Study
6. Young Americans Need to Cut Calorie Intake: Study
7. Study: Women not getting enough exercise; at risk of developing metabolic syndrome
8. Supporting LGB children may influence their long-term health, BU study finds
9. Climate Change Could Be Tough on Seniors Health: Study
10. Children Born to Obese Moms May Face Higher Autism Risk: Study
11. Cholesterol Levels Vary Widely by Country: Study
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Study finds significant skull differences between closely linked groups
(Date:5/27/2016)... ... May 27, 2016 , ... In response ... many who are unaware of the plight of aphasia. In collaboration with the ... “Stroke Awareness” campaign. , The link between stroke and aphasia is relatively unknown, ...
(Date:5/27/2016)... ... 27, 2016 , ... Each year Standard Process Inc. ... is this year’s Life University winner of a $2,500 scholarship from ... Leadership Awards ceremony. , Outerbridge is approaching her last quarter at Life University ...
(Date:5/26/2016)... New Hampshire (PRWEB) , ... May 26, 2016 , ... ... skin care products, has been honored with a 2016 When Work Works Award for ... prestigious award, part of the national When Work Works project administered by the Families ...
(Date:5/26/2016)... ... 26, 2016 , ... Connor Sports, through its Connor Cares initiative, ... Tamika Catchings Legacy Tour that will commemorate the Indiana Fever legend’s hall-of-fame ... in all forms and levels of the game, Connor Sports has committed to a ...
(Date:5/26/2016)... ... , ... There are nearly 14.5 million people living with and beyond cancer ... June 5, 2016, communities around the world will gather to recognize these cancer survivors ... Survivors Day® is an annual worldwide Celebration of Life that is held on the ...
Breaking Medicine News(10 mins):
(Date:5/24/2016)... 2016 Niederländische Chirurgen haben ... es Ärzten erlaubt, ihre Expertise weltweit zu teilen ... Live Streaming mit einer Instant-Messaging-Funktion und der Möglichkeit, ... in Europa, Afrika, Asien und den ... Plattform registriert. Information und Weiterbildung   ...
(Date:5/24/2016)... , May 24, 2016   ... endpoints demonstrating non-inferiority in overall bowel cleansing and superiority ... c leansing of the ... http://photos.prnewswire.com/prnh/20130829/633895-a ) , Norgine B.V. today announced new ... litre PEG and ascorbate bowel preparation) versus standard 2 litre PEG ...
(Date:5/24/2016)... 2016  NxStage Medical, Inc. (Nasdaq: NXTM ... renal care, today announced that Jeffrey H. Burbank ... following schedule of investor conferences. Where applicable, a webcast ... http://ir.nxstage.com/ .   ... NY           Friday, June 10, 2016 1:30 p.m. ET ...
Breaking Medicine Technology: