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'Flexible DNA' may be key to overcoming fearful memories
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New research in mice suggests that when the DNA allows it, the brain neutralizes fearful memories using ‘fear extinction.’ The flexibility of a person’s DNA structure may correlate with a ‘flexibility of memory,’ according to new research.
When confronted with danger, fear spurs a person into defensive actions. This is invaluable as a survival mechanism; however, there is little reason for fear to persist once a threat passes.
The brain neutralizes the memory of that feeling with something called “fear extinction.” This process involves a non-fearful memory with similar circumstances competing with the fear memory to try to suppress it. A new study finds that the ability to neutralize fear depends on the flexibility of one’s DNA. “Fear
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