Navigation Links
Human Brain Continues To Evolve And Grow

Researchers at the University of Chicago have discovered intriguing findings that lead them to conclude that the human brain is apparently still evolving.

There are two genes linked to the size// of the brain and these genes are still evolving and changing in humans.

Bruce Lahn, an assistant professor of human genetics and a lead researchers of paper published in Science said: “Our studies indicate the trend that is the defining characteristic of human evolution -- the growth of brain size and complexity -- is likely still going on,"

"Meanwhile, our environment and the skills we need to survive in it are changing ... I would expect the human brain, which has done well by us so far, will continue to adapt to those changes," added Lahn.

The scientists looked at the evolutionary history of two genes -- microcephalin and abnormal spindle-like microcephaly-associated (ASPM) -- which appear to regulate brain size. Over thousands of years, both genes seem to be generating new and improved versions of themselves and this beneficial mutations is spreading rapidly among the human population to reshape and strengthen brain capacity.

"We're seeing two examples of such a spread in progress," said. Lahn "In each case, it's a spread of a new genetic variant in a gene that controls brain size. This variant is clearly favored by natural selection."

He emphasized that evolution doesn't occur at the species level but some individuals acquire a specific genetic mutation, and, because that variant confers on those who bear it a greater likelihood of survival, it then spreads in rest of the population.

The microcephalin gene, the variation arose about 37,000 years ago and this coincides with the time period when art, music and tool-making were emerging. For ASPM, the variation arose about 5,800 years ago, approx. coinciding with the development of written language, spread of agriculture and developme nt of cities, said Lahn.

Medindia More Related Links :

Medindia.net - Know your body :

The Central nervous system consists of the brain, the spinal cord, and the body’s. These hemispheres make up 70% of the whole brain and nervous system....

For More Information Read :

www.medindia.net/know_ur_body/index.asp

Radio-guided Neurosurgery for treatment of Brain cancer :

Radio-guided Neurosurgery using a gamma probe for the treatment of brain cancer is the new technology developed by doctors at The Manipal Institute of ...

For More Information Read :

www.medindia.net/news/view_news_main.asp?x=4704
'"/>




Related medicine news :

1. Human Genome Project Achieves Technological Triumph
2. First Vaccine Designed for Africa Cleared for Testing in Humans
3. Human gene number increases
4. Scientists found ancient Human Germ Killer
5. New standards for Human Research Safety
6. Human wasting disease linked to a gene
7. The Human Mad Cow Case
8. Human Growth Hormone Found To be Dangerous For Human Use
9. Human Antibody That Can Block SARS
10. Human immunity system can battle HIV.
11. Two New Human Papilloma virus (HPV) vaccines to prevent cervical cancer
Post Your Comments:
*Name:
*Comment:
*Email:


(Date:10/12/2017)... ... October 12, 2017 , ... Asante, a nationally recognized ... have expanded their existing home health joint venture through an agreement, effective October ... a joint venture home health company with Asante, delivering clinically integrated care, for ...
(Date:10/12/2017)... , ... October 12, 2017 , ... ... Hair Restoration, has recently contributed a medical article to the newly revamped ... Dr. Mohebi’s article spotlights the hair transplant procedure known as Follicular Unit ...
(Date:10/12/2017)... (PRWEB) , ... October 12, 2017 , ... Leading pediatric ... peers in Washington, D.C., for the 49th Congress of the International Society of ... Vice President of the Center for Cancer and Blood Disorders at Children’s ...
(Date:10/12/2017)... ... October 12, 2017 , ... ... one of Michigan’s 2017 Best and Brightest in Wellness® by Best and Brightest. ... awards program on Friday, Oct. 20 from 7:30 a.m. to 2 p.m. at ...
(Date:10/12/2017)... ... 2017 , ... In the United States, single-family home owners ... New York, New Jersey, Massachusetts, Texas, Virginia, Connecticut, and California—the average is $7,000 ... property-tax rates, which contributes to the relatively lower cost of living in places ...
Breaking Medicine News(10 mins):
(Date:9/27/2017)... Sept. 27, 2017  DarioHealth Corp. (NASDAQ: DRIO), a leading global digital ... its MyDario product is expected to appear on The Dr. Oz Show ... Oz Show airs in your area: http://www.doctoroz.com/page/where-watch-dr-oz-show ... The nine-time Emmy award-winning, The Dr. Oz Show kicked off ... The segment features ...
(Date:9/25/2017)... Sept. 25, 2017  EpiVax, Inc., a leader ... and immune-engineering today announced the launch of EpiVax ... of personalized therapeutic cancer vaccines. EpiVax has provided ... access to enabling technologies to the new precision ... lead EpiVax Oncology as Chief Executive Officer. Gad ...
(Date:9/22/2017)... 22, 2017  As the latest Obamacare repeal effort ... Cassidy (R-LA) and Lindsey Graham (R-SC) ... medical device industry is in an odd place.  The ... 2.3% excise tax on medical device sales passed along ... covered patients, increased visits and hospital customers with the ...
Breaking Medicine Technology: