Does Memory Reconsolidation Exist?

A new PNAS paper casts doubt on an influential theory of memory.

The reconsolidation hypothesis holds that when a memory is recalled, its molecular trace in the brain becomes plastic, meaning that the memory has to be consolidated or ‘saved’ all over again in order for it to persist. In other words, remembering makes a memory vulnerable to being modified or erased. Reconsolidation has generated lots of research interest and even speculation that blocking reconsolidation could be used as a too

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