Researchers at a trio of universities have found that reactivating a specific memory does not affect associated or related memories, adding to our understanding of how memories are stored and influenced. The study appears in the latest issue of the Proceedings of the National Academy of Sciences.
The study’s authors are Jacek Debiec and Joseph LeDoux of New York University’s Center for Neural Science, Valérie Doyère of NYU and Université Paris-Sud, and Karim Nader, a psychology professor at McGill University.
Memories are made in stages. These initial stages involve learning followed by consolidation--a process during which the memory trace is formed. Unconsolidated memories are susceptible to disruption. Therefore, various pharmacological agents or interfering tasks applied before consolidation occurs prevent a memory from persisting. However, once consolidation occurs, memories may be long lasting--one experience may create memories that last a lifetime.
James Devitt | EurekAlert!
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