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Newly Discovered Brain Region May Be Unique To Humans

RATE THIS! +44
Posted in Science on 29th Jan, 2014 11:57 PM by AlexMuller

Scientists have identified a part of the brain that seems to be unique to humans. The brain region, called the lateral frontal pole prefrontal cortex, was described today (Jan. 28) in the journal Neuron, and is linked to higher thinking processes.

 
"We tend to think that being able to plan into the future, be flexible in our approach and learn from others are things that are particularly impressive about humans," Matthew Rushworth, an experimental psychologist at Oxford University, said in a statement. "We've identified an area of the brain that appears to be uniquely human, and is likely to have something to do with these cognitive powers,"
 
The new brain region is located within a larger region called the ventrolateral frontal cortex, which in past studies has been tied to higher thinking. For instance, this part of the brain houses Broca's region, which plays a critical role in language. Differences in the ventrolateral frontal cortex have also been tied to psychiatric disorders such as compulsive behavior disorders and attention deficit hyperactivity disorder (ADHD).
 
Rushworth and his colleagues put 25 people who were each 20 years old into a magnetic resonance imaging (MRI) scanner. The research team next mapped connections among different regions of the ventrolateral frontal cortex, then divided the brain region into 12 areas that seemed to be constant across all participants.
 
The researchers then compared the mapped region to the same brain region in 25 rhesus macaque monkeys, who had also undergone MRI scans.

Tags: brainneuroscienceneuronsthinkingcognitionMRI

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Comments

Author: Guest
Posted: 2014-01-30
+3
MRI is making a big difference in studies of the brain. It facilitated a number of discoveries and this is another important one- a region unique to humans
1 Replies
Author: Guest
Posted: 2014-01-30
+0
Brain is so topical in research and this is going to help - we know very little Reply
Reply
Author: Guest
Posted: 2014-01-30
+1
The fact that researchers have established an area in human frontal cortex which does not seem to have an equivalent in the monkey at all is particularly interesting- this could support the link with language
2 Replies
Author: Guest
Posted: 2014-01-30
+1
It fact they link this area with strategic planning and decision making, as well as 'multi-tasking' Reply
Reply
Author: Guest
Posted: 2014-01-30
+3
Someone was commenting that that if they don't have a word for something it's hard to think about it. But it is possible to think in images. Which what I suspect limits intelligence in most species. I think having a word for something simplifies and improves thinking Reply


 

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