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Scientists say they may be able to control the parts of the brain which determine intelligence

Posted in Science on 22nd Dec, 2015 08:37 PM by AlexMuller

Scientists have identified a cluster of genes in the brain that could determine human intelligence. The two clusters are networks genes that are thought to influence all our cognitive functions - including memory, attention, processing speed and reasoning. 

The scientists conducted the study believe these clusters are likely to be under the control of master regulator switches. They now want to identify where these switches are and learn whether it is possible to manipulate them - saying this could ultimately mean gene therapy could boost cognitive function.
Dr Michael Johnson- who led the study - said: “We know that genetics plays a major role in intelligence but until now haven't known which genes are relevant. This research highlights some of genes involved in human intelligence, and how they interact with each other.
“Our research suggests that it might be possible to work with these genes to modify intelligence, but that is only a theoretical possibility at the moment - we have just taken a first step along that road.”
In the study - published in the journal Nature Neuroscience - the researchers looked at samples of human brain from patients who had undergone neurosurgery for epilepsy or suffered from neurological disorders such as autism and intellectual disabilty. 
They also looked at the genetic information from health people who had undergone IQ tests. They found that the same genes that influence human intelligence in healthy people were also the same genes that caused impaired cognitive ability when mutated. 
Dr Johnson said: “Traits such intelligence are governed by large groups of genes working together - like a football team made up of players in different positions. “We found that some of these genes overlap with those that cause severe childhood onset epilepsy or intellectual disability.”

Tags: brainneuroscienceresearchbiologyneuronsgenegenetics

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Author: Guest
Posted: 2015-12-23
Identifying genes that are involved in intelligence is one of important steps to better understand molecular basis for intellectual capacity and will be followed by much more research before we understand this complexity Reply
Author: Guest
Posted: 2015-12-23
Brain is indeed very complex and functions underpinning functions as complex as intelligence are the most complex of all - genes are important but more research has to follow Reply


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