Review

Nature Reviews Neuroscience 10, 224-234 (March 2009) | doi:10.1038/nrn2590

A single standard for memory: the case for reconsolidation

Karim Nader1 & Oliver Hardt1  About the authors

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Consolidated memories can re-enter states of transient instability following reactivation, from which they must again stabilize in order to persist, contradicting the previously dominant view that memory and its associated plasticity mechanisms progressively and irreversibly decline with time. We witness exciting times, as neuroscience begins embracing a position, long-held in cognitive psychology, that recognizes memory as a principally dynamic process. In light of remaining controversy, we here establish that the same operational definitions and types of evidence underpin the deduction of both reconsolidation and consolidation, thus validating the extrapolation that post-retrieval memory plasticity reflects processes akin to those that stabilized the memory following acquisition.

Author affiliations

  1. Psychology Department, McGill University, 1205 Doctor Penfield Avenue, Montreal, Quebec, H3A 1B1, Canada.

Correspondence to: Karim Nader1 Email: karim.nader@mcgill.ca

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