Article
Multidisciplinary Sciences
Virginie Sterpenich, Mojca K. M. van Schie, Maximilien Catsiyannis, Avinash Ramyead, Stephen Perrig, Hee-Deok Yang, Dimitri Van De Ville, Sophie Schwartz
Summary: Sleep promotes memory consolidation, with neural representations of rewarded experiences undergoing privileged reactivation during sleep, favoring their consolidation.
NATURE COMMUNICATIONS
(2021)
Article
Biochemistry & Molecular Biology
Lucy A. L. Tainton-Heap, Leonie C. Kirszenblat, Eleni T. Notaras, Martyna J. Grabowska, Rhiannon Jeans, Kai Feng, Paul J. Shaw, Bruno van Swinderen
Summary: The dynamic nature of sleep in many animals implies distinct stages with different functions. Genetic sleep induction methods in Drosophila reveal a unique form of sleep characterized by wake-like neural activity but profound suppression of responsiveness to external sensory stimuli. This suggests that dFB activation in fruit flies promotes a specific type of sleep where brain activity resembles wakefulness but external sensory responses are suppressed.
Review
Clinical Neurology
Kevin J. MacDonald, Kimberly A. Cote
Summary: Sleep after learning has beneficial effects on memory retrieval, but the relationship between sleep and memory is complex with variability. This paper proposes a hypothesis regarding the effects of sleep on memory reinforcement and refinement, suggesting that non-REM sleep primarily contributes to memory reinforcement while REM sleep primarily contributes to memory refinement.
SLEEP MEDICINE REVIEWS
(2021)
Article
Multidisciplinary Sciences
Adam Haar Horowitz, Kathleen Esfahany, Tomas Vega Galvez, Pattie Maes, Robert Stickgold
Summary: The link between dreams and creativity has been explored, with recent research suggesting that sleep onset (N1) may be an ideal state for creative ideation. However, the specific relationship between N1 dream content and creativity has been unclear. In this study, targeted dream incubation was used to introduce specific themes into dreams during N1 sleep, and these dreams were found to enhance creative performance and promote greater associative divergence compared to wake. Moreover, successful dream incubation was found to have a stronger effect on creative performance than N1 sleep alone, providing novel evidence for the role of incubating dream content in enhancing creativity.
SCIENTIFIC REPORTS
(2023)
Article
Biochemical Research Methods
Bruno Golosio, Chiara De Luca, Cristiano Capone, Elena Pastorelli, Giovanni Stegel, Gianmarco Tiddia, Giulia De Bonis, Pier Stanislao Paolucci
Summary: This study explores the brain's abilities in fast incremental learning and memory categorization, demonstrating the importance of brain states in cognitive functions through a model based on a thalamo-cortical circuit.
PLOS COMPUTATIONAL BIOLOGY
(2021)
Article
Multidisciplinary Sciences
Eitan Schechtman, Anna Lampe, Brianna J. Wilson, Eunbi Kwon, Michael C. Anderson, Ken A. Paller
Summary: Although sleep plays a crucial role in memory consolidation, its role in weakening memories remains debated. This study found that sleep-based memory reactivation does not enhance memory suppression effectively. However, cues during sleep can strengthen memories, especially for weakly encoded information.
SCIENTIFIC REPORTS
(2021)
Article
Multidisciplinary Sciences
Juan F. Ramirez-Villegas, Michel Besserve, Yusuke Murayama, Henry C. Evrard, Axel Oeltermann, Nikos K. Logothetis
Summary: Studies demonstrate that the brainstem modulates hippocampal network events through PGO waves, promoting the learning and formation of memories. Different types of PGO waves influence events at different frequencies, leading to high neural synchrony within neural populations.
Article
Clinical Neurology
Jeehye Seo, Katelyn Oliver, Carolina Daffre, Kylie N. Moore, Samuel Gazecki, Natasha B. Lasko, Mohammed R. Milad, Edward F. Pace-Schott
Summary: Sleep disturbances may increase the risk of developing posttraumatic stress disorder (PTSD). Different patterns of neural activations during fear extinction may be observed in individuals with PTSD compared to trauma-exposed controls.
Article
Neurosciences
Timothy Tadros, Maxim Bazhenov
Summary: Relational memory is critical for mammalian reasoning. Sleep plays a crucial role in offline processing and improving the ability to make indirect associations.
JOURNAL OF NEUROSCIENCE
(2022)
Article
Neurosciences
N. H. van den Berg, A. Pozzobon, Z. Fang, J. Al-Kuwatli, B. Toor, L. B. Ray, S. M. Fogel
Summary: Sleep consolidates memory for procedural motor skills and benefits newly acquired cognitive strategies.
Article
Multidisciplinary Sciences
James Delorme, Lijing Wang, Varna Kodoth, Yifan Wang, Jingqun Ma, Sha Jiang, Sara J. Aton
Summary: The study found that sleep loss alters cytosolic ribosomal transcripts while learning almost does not, and the effects of learning are masked by subsequent sleep deprivation. Additionally, sleep deprivation affects fewer membrane-bound ribosomal transcripts, while learning changes more, especially long non-coding RNAs.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Article
Clinical Neurology
Jessy D. Martinez, William P. Brancaleone, Kathryn G. Peterson, Lydia G. Wilson, Sara J. Aton
Summary: ML297, a newly developed candidate hypnotic agent, alters sleep architecture in mice and improves contextual fear memory consolidation by activating GIRK channels and increasing the number of highly activated hippocampal neurons.
Article
Multidisciplinary Sciences
Celia Lacaux, Thomas Andrillon, Celeste Bastoul, Yannis Idir, Alexandrine Fonteix-Galet, Isabelle Arnulf, Delphine Oudiette
Summary: This study demonstrates that brain activity during the transition period from sleep to wakefulness can ignite creativity; there is a creative "sweet spot" in the onset of sleep that requires individuals to balance easily falling asleep against falling asleep too deeply.
Article
Biology
Stefan M. Lemke, Dhakshin S. Ramanathan, David Darevksy, Daniel Egert, Joshua D. Berke, Karunesh Ganguly
Summary: The strength of cortical connectivity to the striatum influences the balance between behavioral variability and stability, with plasticity in corticostriatal connectivity being essential for learning to consistently produce skilled actions. This plasticity appears to occur during non-rapid-eye-movement (NREM) sleep, shaping cross-area coupling required for skill learning.
Article
Clinical Neurology
Per Davidson, Peter Jonsson, Ingegerd Carlsson, Edward Pace-Schott
Summary: Although sleep has been found to have a beneficial effect on memory consolidation, not all memories are equally strengthened by sleep. While some evidence suggests that sleep may be more beneficial for certain types of memories based on emotion or other cues of future relevance, the majority of studies do not support this effect. Regarding specific factors during sleep, there is currently no sleep variable that has reliably been found to be specifically associated with the consolidation of certain kinds of memories over others based on emotion or other cues of future relevance.
NATURE AND SCIENCE OF SLEEP
(2021)
Article
Neurosciences
Alexia Bourgeois, Virginie Sterpenich, Giannina Rita Iannotti, Patrik Vuilleumier
Summary: The study found that reward cues can selectively modulate the Frontal Eye Field (FEF) during attentional shifts, especially after high-predictive cueing to invalid locations. Reward information also modulated FEF connectivity to superior colliculus, striatum, and visual cortex.
Article
Computer Science, Interdisciplinary Applications
Martin Grignard, Christophe Geuzaine, Christophe Phillips
Summary: This paper proposes a tool to assess the uncertainty in the model parameters and calculate parametric forward models for EEG and tDCS.
Article
Neurosciences
Simon Titone, Jessica Samogin, Philippe Peigneux, Stephan Swinnen, Dante Mantini, Genevieve Albouy
Summary: The research found that functional connectivity between different brain regions is related to motor learning and memory consolidation, particularly in resting-state networks, where different frequencies of connectivity are affected. Lower connectivity is associated with better learning and overnight memory consolidation, while increased connectivity between motor and other distinct networks is related to better consolidation.
Article
Neurosciences
Menno P. Veldman, Nina Dolfen, Mareike A. Gann, Anke Van Roy, Ronald Peeters, Bradley R. King, Genevieve Albouy
Summary: Increasing evidence supports the importance of reactivating memory traces during postlearning wakefulness for memory consolidation. This study utilized somatosensory targeted memory reactivation (TMR) to enhance the reactivation of a motor memory trace during quiet rest immediately after learning. The results showed that the reactivated motor sequence had a faster learning rate compared to the not-reactivated sequence, and brain imaging data revealed specific reactivation of motor, parietal, frontal, and cerebellar brain regions during TMR. Importantly, the TMR-induced behavioral advantage was accompanied by changes in hippocampal activity and hippocampo-motor connectivity during task practice.
Article
Biology
Judith Nicolas, Bradley R. King, David Levesque, Latifa Lazzouni, Emily Coffey, Stephan Swinnen, Julien Doyon, Julie Carrier, Genevieve Albouy
Summary: Targeted memory reactivation during sleep can enhance motor memory consolidation, and the coordination between slow and sigma oscillations plays a crucial role in memory reinstatement or protection against irrelevant information.
Article
Multidisciplinary Sciences
Agah Karakuzu, Stefan Appelhoff, Tibor Auer, Mathieu Boudreau, Franklin Feingold, Ali R. Khan, Alberto Lazari, Chris Markiewicz, Martijn Mulder, Christophe Phillips, Taylor Salo, Nikola Stikov, Kirstie Whitaker, Gilles de Hollander
Summary: The introduction of BIDS Extension Proposal 001 (BEP001) provides guidance for the storage of multimodal structural MRI datasets, promotes standardization of qMRI, and facilitates convergence between qMRI methods and application-driven neuroimaging studies.
Article
Multidisciplinary Sciences
Serena Reverberi, Nina R. Dolfen, Anke Van Roy, Genevieve Albouy, Bradley King
Summary: The study shows that new information is learned more rapidly when it is compatible with previous knowledge. Sleep plays an important role in memory consolidation, but it does not specifically benefit the integration of novel motor information into cognitive-motor schemas.
Letter
Multidisciplinary Sciences
Roya Sharifpour, Islay Campbell, Elise Beckers, Fermin Balda, Nasrin Mortazavi, Ekaterina Koshmanova, Ilenia Paparella, Siya Sherif, Christophe Phillips, Gilles Vandewalle
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Multidisciplinary Sciences
Bradley R. King, Mareike A. Gann, Dante Mantini, Julien Doyon, Genevieve Albouy
Summary: Research suggests that neural activity patterns related to motor learning persist during post-learning rest, and hippocampal reactivation reflects the spatial representation of the learned motor sequence.
Article
Sport Sciences
Ruben Robberechts, Genevieve Albouy, Peter Hespel, Chiel Poffe
Summary: This study found that the intake of ketone ester can improve sleep efficiency and quality after high-intensity exercise, possibly due to increased dopamine signaling.
MEDICINE & SCIENCE IN SPORTS & EXERCISE
(2023)
Article
Behavioral Sciences
Nora Vandeleene, Camille Guillemin, Solene Dauby, Florence Requier, Maelle Charonitis, Daphne Chylinski, Evelyne Balteau, Pierre Maquet, Emilie Lommers, Christophe Phillips
Summary: This study used qMRI technology to investigate the microstructural changes in the brain of multiple sclerosis patients and found that qMRI parameters could reflect tissue damage and repair mechanisms. In patients with better clinical outcomes, qMRI parameters showed evidence of microstructural repair mechanisms in normal appearing brain tissues and modification in the surrounding brain tissues of WM lesions. These findings highlight the potential value of qMRI in monitoring tissue repair and disease progression.
BRAIN AND BEHAVIOR
(2023)
Article
Clinical Neurology
Mareike A. Gann, Nina Dolfen, Bradley R. King, Edwin M. Robertson, Genevieve Albouy
Summary: This study investigated the effect of prefrontal cortex stimulation on motor memory consolidation. The results showed that active stimulation hindered fast motor memory consolidation and altered the reactivation process in the brain, as well as the link between brain activity and behavioral markers of consolidation.
Article
Clinical Neurology
Judith Nicolas, Julie Carrier, Stephan P. Swinnen, Julien Doyon, Genevieve Albouy, Bradley R. King
Summary: Research shows that specific reactivation methods during sleep do not enhance motor memory consolidation in older adults. However, auditory stimulation might boost motor memory consolidation in a non-specific manner for older adults.
JOURNAL OF SLEEP RESEARCH
(2023)
Meeting Abstract
Clinical Neurology
J. Nicolas, B. R. King, D. Levesque, L. Lazzouni, D. Wang, N. Grossman, S. Swinnen, J. Doyon, J. Carrier, G. Albouy
JOURNAL OF SLEEP RESEARCH
(2022)
Article
Psychology
Patricia Cernadas Curotto, Virginie Sterpenich, David Sander, Nicolas Favez, Ulrike Rimmele, Olga Klimecki
Summary: Sleep deprivation has a causal negative impact on couples' conflicts, as indicated by higher cortisol levels during conflict and decreased positive affect before and after conflict.