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Quote of the day

'By far the greatest danger of Artificial Intelligence is that people conclude too early that they understand it'

 

Eliezer Yudkowsky

The brain may be able to repair itself from within, Duke researchers discover

RATE THIS! +37
Posted in Science on 5th Jun, 2014 01:47 AM by AlexMuller

Neuroscientists have suspected for some time that the brain has some capacity to direct the manufacturing of new neurons, but it was difficult to determine where these instructions are coming from, explains Chay Kuo, M.D. Ph.D., an assistant professor of cell biology, neurobiology and pediatrics.

 
In a study with mice, his team found a previously unknown population of neurons within the subventricular zone (SVZ) neurogenic niche of the adult brain, adjacent to the striatum.
 
These neurons expressed the choline acetyltransferase (ChAT) enzyme, which is required to make the neurotransmitter acetylcholine. With optogenetic tools that allowed the team to tune the firing frequency of these ChAT+ neurons up and down with laser light, they were able to see clear changes in neural stem cell proliferation in the brain.

Tags: brainneuronsneurosciencemedicinebiology

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Comments

Author: Guest
Posted: 2014-06-05
+3
This observation that brain has a capacity for repair is very hopeful. Providing that we learn more, this could be applied to at least some neuronal diseases
2 Replies
Author: Guest
Posted: 2014-06-05
+1
As they put it in the article "Wouldn’t it be nice if you could upgrade the brain hardware to keep up with the new software?” Yes, it would be great! Reply
Reply


 

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