Article
Behavioral Sciences
Marit Petzka, Ian Charest, George M. Balanos, Bernhard P. Staresina
Summary: Sleep plays a crucial role in stabilizing newly acquired memories through a process known as memory consolidation. Recent studies have shown that weaker memories may benefit more from post-learning sleep, while stronger memories may not show as significant consolidation effects. However, under certain testing conditions, the true effects of sleep-dependent consolidation may be masked.
Article
Multidisciplinary Sciences
Thomas Schreiner, Marit Petzka, Tobias Staudigl, Bernhard P. Staresina
Summary: The study shows that reactivating learning material during sleep, specifically during slow oscillations and sleep spindles, predicts the strength of memory consolidation, illustrating the role of these sleep rhythms in endogenous consolidation processes.
NATURE COMMUNICATIONS
(2021)
Article
Neurosciences
Benjamin J. Griffiths, Maria Carmen Martin-Buro, Bernhard P. Staresina, Simon Hanslmayr
Summary: The study found that decreases in neocortical alpha/beta power during sequence perception were correlated with enhanced memory performance, while increases in hippocampal theta/gamma phase-amplitude coupling during mnemonic binding were also correlated with enhanced memory performance. This suggests a functional dissociation where neocortical alpha/beta oscillations may support the processing of incoming information relevant to memory, while hippocampal theta-gamma phase-amplitude coupling may support the binding of this information into a coherent memory trace.
Article
Multidisciplinary Sciences
Matthias S. Treder, Ian Charest, Sebastian Michelmann, Maria Carmen Martin-Buro, Frederic Roux, Fernando Carceller-Benito, Arturo Ugalde-Canitrot, David T. Rollings, Vijay Sawlani, Ramesh Chelvarajah, Maria Wimber, Simon Hanslmayr, Bernhard P. Staresina
Summary: The study found that sustained increase in hippocampal high gamma power indicates successful recall, while a decrease in alpha power is associated with unsuccessful recall. Additionally, the hippocampus acts as a switchboard between perception and memory before transitioning to posterior parietal cortex and then to medial prefrontal cortex during the recall process.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Article
Multidisciplinary Sciences
Marije ter Wal, Juan Linde-Domingo, Julia Lifanov, Frederic Roux, Luca D. Kolibius, Stephanie Gollwitzer, Johannes Lang, Hajo Hamer, David Rollings, Vijay Sawlani, Ramesh Chelvarajah, Bernhard Staresina, Simon Hanslmayr, Maria Wimber
Summary: The study demonstrates rhythmicity in behavioral responses during memory tasks, with stronger oscillations in the slow theta frequency range for correctly remembered trials. This suggests a potential mechanistic underpinning for theta oscillations in behavioral responses associated with memory formation and retrieval.
NATURE COMMUNICATIONS
(2021)
Article
Biochemistry & Molecular Biology
Marit Petzka, Alex Chatburn, Ian Charest, George M. Balanos, Bernhard P. Staresina
Summary: This study explores the role of sleep spindles in memory consolidation by using high-density scalp electroencephalography (EEG) and polysomnography (PSG). The results show that sleep spindles are most pronounced over learning-related cortical areas and the extent to which spindles track learning patterns predicts memory consolidation.
Article
Biochemistry & Molecular Biology
Oliver Ratcliffe, Kimron Shapiro, Bernhard P. Staresina
Summary: This study reports on the role of frontal-midline theta oscillations (FMT) in working memory (WM) content. The findings suggest that FMT plays a crucial role in coordinating the maintenance of memory content in posterior regions and that the observed frequency slowing supports phase coding in WM.
Article
Multidisciplinary Sciences
Jennifer Ashton, Bernhard Staresina, Scott Cairney
Summary: Sleep following learning improves memory recall, but factors such as rehearsal and schematic congruency also affect consolidation.
Article
Biology
Jacqueline Katharina Meier, Bernhard P. Staresina, Lars Schwabe
Summary: This study used EEG-based multivariate pattern analysis to decode neural representations of outcome and response in individuals under stress. The findings suggest that stress can lead to habitual behavior due to enhanced stimulus-response processing and diminished outcome processing.
Article
Gerontology
Azara Lalla, Hannah Tarder-Stoll, Lynn Hasher, Katherine Duncan
Summary: This study finds that aging influences how memories are used to make even simple choices. While older adults are less likely than younger adults to use memories of single past experiences when choosing between options, they more consistently use their real-world knowledge, even when it is irrelevant.
PSYCHOLOGY AND AGING
(2022)
Article
Neurosciences
Xiongbo Wu, Xavier Vinals, Aya Ben-Yakov, Bernhard P. Staresina, Lluis Fuentemilla
Summary: Prior research has shown that post-encoding reinstatement plays a crucial role in organizing the temporal sequence of unfolding episodes in memory. This study aimed to investigate whether post-encoding reinstatement promotes the encoding of one-shot episodic learning beyond temporal structure in humans. The findings suggest that post-encoding memory reinstatement is analogous to the rapid formation of unique and meaningful episodes that unfold over time.
JOURNAL OF COGNITIVE NEUROSCIENCE
(2023)
Article
Multidisciplinary Sciences
Hong-Viet V. Ngo, Bernhard P. Staresina
Summary: Sleep is a privileged state for memory reactivation and consolidation. This research combines the use of reminder cues and brain stimulation to control the timing of memory reactivation. The results show that providing cues during specific sleep stages can significantly reduce overnight forgetting and enhance memory recall.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Review
Multidisciplinary Sciences
Anli A. Liu, Simon Henin, Saman Abbaspoor, Anatol Bragin, Elizabeth A. Buffalo, Jordan S. Farrell, David J. Foster, Loren M. Frank, Tamara Gedankien, Jean Gotman, Jennifer A. Guidera, Kari L. Hoffman, Joshua Jacobs, Michael J. Kahana, Lin Li, Zhenrui Liao, Jack J. Lin, Attila Losonczy, Rafael Malach, Matthijs A. van der Meer, Kathryn McClain, Bruce L. McNaughton, Yitzhak Norman, Andrea Navas-Olive, Liset M. de la Prida, Jon W. Rueckemann, John J. Sakon, Ivan Skelin, Ivan Soltesz, Bernhard P. Staresina, Shennan A. Weiss, Matthew A. Wilson, Kareem A. Zaghloul, Michael Zugaro, Gyorgy Buzsaki
Summary: This article discusses the methodological challenges in detecting, analyzing, and reporting Sharp Wave Ripples, and suggests practical solutions to distinguish them from other high-frequency events. It emphasizes the importance of establishing shared experimental, detection, and reporting standards.
NATURE COMMUNICATIONS
(2022)
Article
Biology
Frederic Roux, George Parish, Ramesh Chelvarajah, David T. Rollings, Vijay Sawlani, Hajo Hamer, Stephanie Gollwitzer, Gernot Kreiselmeyer, Marije J. ter Wal, Luca Kolibius, Bernhard P. Staresina, Maria Wimber, Matthew W. Self, Simon Hanslmayr
Summary: This study investigates the relationship between oscillations and neural firing patterns during memory formation in the medial temporal lobe, and finds that phase-coupling of neurons to theta and gamma oscillations is correlated with successful encoding of episodic memories.
Article
Neurosciences
Bernhard P. Staresina, Johannes Niediek, Valeri Borger, Rainer Surges, Florian Mormann
Summary: Using direct recordings from human MTL neurons during sleep, the study reveals that neuronal firing and communication are controlled by coupled slow oscillations, spindles, and ripples. These dynamics establish optimal conditions for synaptic plasticity and systems consolidation during sleep. The results shed light on how specific sleep rhythms orchestrate neuronal processing and communication in the sleeping brain.
NATURE NEUROSCIENCE
(2023)