Memory integration: An alternative to the consolidation/reconsolidation hypothesis - Archive ouverte HAL
Article Dans Une Revue Progress in Neurobiology Année : 2018

Memory integration: An alternative to the consolidation/reconsolidation hypothesis

Résumé

The original concept of consolidation considers that memory requires time to be fixed. Since 2000, a comparable protein-dependent re-stabilization phase, called reconsolidation, has been assumed to take place after memory retrieval. This consolidation/reconsolidation hypothesis, has dominated the literature for more than 50 years, despite compelling evidence that is inconsistent with it. In this review, we present an historical overview and explain how, despite serious criticisms, this hypothesis has persisted for decades and become accepted as a dogma. Based on both older and more recent evidence, we next propose the concept of memory integration which involves the linkage or embedding of new material into an already existing representation. We believe integration provides a viable explanation for retrograde amnesia in place of the consolidation/reconsolidation hypothesis. Integration can further be the basis for several major cases of memory alteration such as time dependent memory enhancement, interference, counter-conditioning, updating and other instances of memory malleability. In a final section we consider the implications this new concept may have for memory processes and its translational applications.
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Dates et versions

hal-01908837 , version 1 (30-10-2018)

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Pascale Gisquet-Verrier, David Riccio. Memory integration: An alternative to the consolidation/reconsolidation hypothesis. Progress in Neurobiology, 2018, ⟨10.1016/j.pneurobio.2018.10.002⟩. ⟨hal-01908837⟩
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