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Memory reconsolidation mediates the strengthening of memories by additional learning

Abstract

Memories are dynamic, rather than static, in nature. The reactivation of a memory through re-exposure to salient training stimuli results in its destabilization, necessitating a restabilization process known as reconsolidation, a disruption of which leads to amnesia. I found that one normal function of hippocampal memory reconsolidation in rats is to modify the strength of a contextual-fear memory as a result of further learning.

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Figure 1: The cellular mechanisms of memory consolidation and strengthening differ.
Figure 2: Memory strengthening requires destabilization and reconsolidation.

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References

  1. Nader, K. Trends Neurosci. 26, 65–72 (2003).

    Article  CAS  Google Scholar 

  2. Dudai, Y. Curr. Opin. Neurobiol. 16, 174–178 (2006).

    Article  CAS  Google Scholar 

  3. Sara, S.J. Learn. Mem. 7, 73–84 (2000).

    Article  CAS  Google Scholar 

  4. Tronel, S., Milekic, M.H. & Alberini, C.M. PLoS Biol. 3, e293 (2005).

    Article  Google Scholar 

  5. Morris, R.G. et al. Neuron 50, 479–489 (2006).

    Article  CAS  Google Scholar 

  6. Rodriguez-Ortiz, C.J. et al. Neurobiol. Learn. Mem. 89, 352–359 (2008).

    Article  CAS  Google Scholar 

  7. Lee, J.L.C., Everitt, B.J. & Thomas, K.L. Science 304, 839–843 (2004).

    Article  CAS  Google Scholar 

  8. Lee, S.H. et al. Science 319, 1253–1256 (2008).

    Article  CAS  Google Scholar 

  9. Duvarci, S. & Nader, K. J. Neurosci. 24, 9269–9275 (2004).

    Article  CAS  Google Scholar 

  10. Rudy, J.W. et al. Learn. Mem. 13, 1–3 (2006).

    Article  CAS  Google Scholar 

  11. Dudai, Y. Annu. Rev. Psychol. 55, 51–86 (2004).

    Article  Google Scholar 

  12. Pelloux, Y., Everitt, B.J. & Dickinson, A. Psychopharmacology (Berl.) 194, 127–137 (2007).

    Article  CAS  Google Scholar 

  13. Ben Mamou, C., Gamache, K. & Nader, K. Nat. Neurosci. 9, 1237–1239 (2006).

    Article  CAS  Google Scholar 

  14. Suzuki, A. et al. Learn. Mem. 15, 426–433 (2008).

    Article  CAS  Google Scholar 

Download references

Acknowledgements

I'd like to thank B.J. Everitt and D. Belin for helpful discussions, as well as Y. Pelloux and M. Wood for practical cooperation. This work was supported by a grant from the Royal Society and was conducted in the MRC/Wellcome Trust Behavioural and Clinical Neuroscience Institute, Department of Experimental Psychology at the University of Cambridge (UK).

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Correspondence to Jonathan L C Lee.

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Supplementary Figures 1–7 and Supplementary Methods (PDF 2561 kb)

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Lee, J. Memory reconsolidation mediates the strengthening of memories by additional learning. Nat Neurosci 11, 1264–1266 (2008). https://doi.org/10.1038/nn.2205

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