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Brain Scans Support Findings That IQ Can Rise or Fall Significantly During Adolescence [View All]

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HuckleB Donating Member (1000+ posts) Send PM | Profile | Ignore Wed Oct-26-11 11:05 AM
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Brain Scans Support Findings That IQ Can Rise or Fall Significantly During Adolescence
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Edited on Wed Oct-26-11 11:06 AM by HuckleB
http://www.sciencedaily.com/releases/2011/10/1110200243...

"IQ, the standard measure of intelligence, can increase or fall significantly during our teenage years, according to research funded by the Wellcome Trust, and these changes are associated with changes to the structure of our brains. The findings may have implications for testing and streaming of children during their school years.

...

Other studies from the Wellcome Trust Centre for Neuroimaging and other research groups have provided strong evidence that the structure of the brain remains 'plastic' even throughout adult life. For example, Professor Price showed recently that guerrillas in Columbia who had learned to read as adults had a higher density of grey matter in several areas of the left hemisphere of the brain than those who had not learned to read. Professor Eleanor Maguire, also from the Wellcome Trust Centre, showed that part of a brain structure called the hippocampus, which plays an important part in memory and navigation, has greater volume in licensed London taxi drivers.

"The question is, if our brain structure can change throughout our adult lives, can our IQ also change?" adds Professor Price. "My guess is yes. There is plenty of evidence to suggest that our brains can adapt and their structure changes, even in adulthood."

"This interesting study highlights how 'plastic' the human brain is," said Dr John Williams, Head of Neuroscience and Mental Health at the Wellcome Trust. "It will be interesting to see whether structural changes as we grow and develop extend beyond IQ to other cognitive functions. This study challenges us to think about these observations and how they may be applied to gain insight into what might happen when individuals succumb to mental health disorders."


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This is extremely preliminary but still quite interesting, and it does go along with other studies on brain plasticity. Of course, we're still waiting for someone to find volunteers to study just how much IQ is lost over time per hour of watching Faux.

:hi:
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