The scientist finds " L The fear " R The expected quilt of the agony memory in the brain district " L Delete " R
For a long time, people have been having fantasies of removing unpleasant memory all the time, thus say goodbye completely in past with the agony. It seems now that this kind of idea has possibility realized. According to the report on November 2 of American media, the scientist found a few days ago, through removing a kind of protein that mouse's brain was responsible for remembering in the frightened brain district, can delete the wound memory of the mouse permanently.
The research group concentrates on paying close attention to the neural return circuit with nuclear almond in the brain, the almond is nuclear to the mankind responsible for being so-called in the brain the animal " The fear is regulated " R Brain district. They produce the fear through initiating mice in sound, and observe after the mouse is exposed to sound environment increased suddenly, some cells in its core of almond will launch more electric current out.
Before and after the research group has further measured and exposed to the loud sound, protein in the nuclear neural return circuit of mouse almond. They find a kind of particular protein - --Can permeate AMPARs albumen of calcium ion - --Temporary increase has appeared within frightened odd hours appeared, the increase of this kind of protein reaches the summit in 24 hours after terror appear, and the frightened appearance 48 Disappear an hour later.
|
0 comments:
Post a Comment