Brain's Filing System Discovery Could Help Banish Bad Memories

Posted: Oct 20 2016, 9:03am CDT | by , in News | Latest Science News

 
Brain's Filing System Discovery Could Help Banish Bad Memories
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  • Brain’s Filing System Discovery could Banish Traumatic Memories

The discovery of the brain’s filing system could help banish traumatic memories in people afflicted with the condition.

The brain knows how to organize itself. Thus the good memories and the bad ones are kept in airtight containers in the filing system of this wonderful organ. Pleasant memories are kept in the amygdala.

This is an important memory center. As for the unpleasant ones, they are kept locked in another part of this selfsame organ. The discovery of this filing system of the brain could lead to a cure for depression in the future.

Research shows that mice have positive and negative neurons in the amygdala. These two sorts of neurons are distinct from one another and they can apparently be stimulated to alter behavior.

The nice experiences are concentrated in the back of the basolateral nucleus (BLA). The unpleasant ones are stored in the front of this brain center. The two regions interact in a symbiotic manner by influencing one another.

The result is that behavior undergoes changes based on good and bad memories. It is most likely that this finding applies to human beings besides being applicable to rodents.

The evolutionary conservation of the amygdala is something which is a very well known fact among scientists. While differences in smells and tastes that are positive and negative are commonly found in the amygdalas of rats and fruit flies, this is the first time that such has been seen in the case of behavior.

To help gauge positive and negative experiences, the researchers introduced the male mice to a female mouse or delivered an electric shock to their feet.

These actions left their after-effects in the amygdala of the mice. Various genetic markers were found in varying concentrations in each part of the amygdala.

Even the positive and negative neurons were different in shape, size and electric features. These positive and negative experiences were likely to influence behavior.

Once the centers were stimulated by electrodes from without, the mice changed their behavior at the drop of a hat. Now, this is manipulation in the real sense of the word.

The scientists found that they could ameliorate bad memory centers and boost the good memory centers via bursts of light. This holds great importance for the treatment of full-blown depression in human beings in the future.

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