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Unraveling the neurophysiological correlates of phase-specific enhancement of motor memory consolidation via slow-wave closed-loop targeted memory reactivation

Author

Listed:
  • Judith Nicolas

    (KU Leuven
    Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292
    KU Leuven)

  • Bradley R. King

    (University of Utah)

  • David Lévesque

    (Center for Advanced Research in Sleep Medicine)

  • Latifa Lazzouni

    (McGill University)

  • Gaëlle Leroux

    (Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292)

  • David Wang

    (Elemind Technologies Inc Massachusetts Institute of Technology)

  • Nir Grossman

    (Imperial College London)

  • Stephan P. Swinnen

    (KU Leuven
    KU Leuven)

  • Julien Doyon

    (McGill University)

  • Julie Carrier

    (Center for Advanced Research in Sleep Medicine
    Université de Montréal)

  • Geneviève Albouy

    (KU Leuven
    KU Leuven
    University of Utah)

Abstract

Memory consolidation can be enhanced during sleep using targeted memory reactivation (TMR) and closed-loop (CL) acoustic stimulation on the up-phase of slow oscillations (SOs). Here, we test whether applying TMR at specific phases of the SOs (up vs. down vs. no reactivation) can influence the behavioral and neural correlates of motor memory consolidation in healthy young adults. Results show that up- (as compared to down-) state cueing results in greater performance improvement. Sleep electrophysiological data indicate that up- (as compared to down-) stimulated SOs exhibits higher amplitude and greater peak-nested sigma power. Task-related functional magnetic resonance images reveal that up-state cueing strengthens activity in - and segregation of - striato-motor and hippocampal networks; and that these modulations are related to the beneficial effect of TMR on sleep features and performance. Overall, these findings highlight the potential of CL-TMR to induce phase-specific modulations of motor performance, sleep oscillations and brain responses during motor memory consolidation.

Suggested Citation

  • Judith Nicolas & Bradley R. King & David Lévesque & Latifa Lazzouni & Gaëlle Leroux & David Wang & Nir Grossman & Stephan P. Swinnen & Julien Doyon & Julie Carrier & Geneviève Albouy, 2025. "Unraveling the neurophysiological correlates of phase-specific enhancement of motor memory consolidation via slow-wave closed-loop targeted memory reactivation," Nature Communications, Nature, vol. 16(1), pages 1-20, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-57602-2
    DOI: 10.1038/s41467-025-57602-2
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