[HTML][HTML] Precise coupling of the thalamic head-direction system to hippocampal ripples

G Viejo, A Peyrache - Nature Communications, 2020 - nature.com
The anterior thalamus is a key relay of neuronal signals within the limbic system. During
sleep, the occurrence of hippocampal sharp wave-ripples (SWRs), believed to mediate …

Widespread ripples synchronize human cortical activity during sleep, waking, and memory recall

CW Dickey, IA Verzhbinsky, X Jiang… - Proceedings of the …, 2022 - National Acad Sciences
Declarative memory encoding, consolidation, and retrieval require the integration of
elements encoded in widespread cortical locations. The mechanism whereby such “binding” …

Selective suppression of hippocampal ripples impairs spatial memory

G Girardeau, K Benchenane, SI Wiener… - Nature …, 2009 - nature.com
Sharp wave–ripple (SPW-R) complexes in the hippocampus-entorhinal cortex are believed
to be important for transferring labile memories from the hippocampus to the neocortex for …

[PDF][PDF] Hippocampal sharp-wave ripples influence selective activation of the default mode network

R Kaplan, MH Adhikari, R Hindriks, D Mantini… - Current Biology, 2016 - cell.com
The default mode network (DMN) is a commonly observed resting-state network (RSN) that
includes medial temporal, parietal, and prefrontal regions involved in episodic memory [1 …

Memory formation by neuronal synchronization

N Axmacher, F Mormann, G Fernández, CE Elger… - Brain research …, 2006 - Elsevier
Cognitive functions not only depend on the localization of neural activity, but also on the
precise temporal pattern of activity in neural assemblies. Synchronization of action potential …

[PDF][PDF] Phase-locked inhibition, but not excitation, underlies hippocampal ripple oscillations in awake mice in vivo

J Gan, S Weng, AJ Pernía-Andrade, J Csicsvari… - Neuron, 2017 - cell.com
Sharp wave-ripple (SWR) oscillations play a key role in memory consolidation during non-
rapid eye movement sleep, immobility, and consummatory behavior. However, whether …

Modeling sharp wave‐ripple complexes through a CA3‐CA1 network model with chemical synapses

J Taxidis, S Coombes, R Mason, MR Owen - Hippocampus, 2012 - Wiley Online Library
The hippocampus, and particularly the CA3 and CA1 areas, exhibit a variety of oscillatory
rhythms that span frequencies from the slow theta range (4–10 Hz) up to fast ripples (˜ 200 …

Play it again: reactivation of waking experience and memory

J O'Neill, B Pleydell-Bouverie, D Dupret… - Trends in …, 2010 - cell.com
Episodic and spatial memories each involve the encoding of complex associations in
hippocampal neuronal circuits. Such memory traces could be stabilised from short-to long …

Hippocampal sharp wave bursts coincide with neocortical “up-state” transitions

FP Battaglia, GR Sutherland… - Learning & …, 2004 - learnmem.cshlp.org
The sleeping neocortex shows nested oscillatory activity in different frequency ranges,
characterized by fluctuations between “up-states” and “down-states.” High-density neuronal …

Altered hippocampal replay is associated with memory impairment in mice heterozygous for the Scn2a gene

SJ Middleton, EM Kneller, S Chen, I Ogiwara… - Nature …, 2018 - nature.com
An accumulating body of experimental evidence has implicated hippocampal replay
occurring within sharp wave ripples (SPW-Rs) as crucial for learning and memory in healthy …