Selection of experience for memory by hippocampal sharp wave ripples

W Yang, C Sun, R Huszár, T Hainmueller, K Kiselev… - Science, 2024 - science.org
Experiences need to be tagged during learning for further consolidation. However,
neurophysiological mechanisms that select experiences for lasting memory are not known …

A unified dynamic model for learning, replay, and sharp-wave/ripples

S Jahnke, M Timme… - Journal of …, 2015 - Soc Neuroscience
Hippocampal activity is fundamental for episodic memory formation and consolidation.
During phases of rest and sleep, it exhibits sharp-wave/ripple (SPW/R) complexes, which …

Disruption of awake sharp-wave ripples does not affect memorization of locations in repeated-acquisition spatial memory tasks

L Deceuninck, F Kloosterman - Elife, 2024 - elifesciences.org
Storing and accessing memories is required to successfully perform day-to-day tasks, for
example for engaging in a meaningful conversation. Previous studies in both rodents and …

Differential ripple propagation along the hippocampal longitudinal axis

R De Filippo, D Schmitz - Elife, 2023 - elifesciences.org
Hippocampal ripples are highly synchronous neural events critical for memory consolidation
and retrieval. A minority of strong ripples has been shown to be of particular importance in …

[PDF][PDF] CA2 inhibition reduces the precision of hippocampal assembly reactivation

H He, R Boehringer, AJY Huang, ETN Overton… - Neuron, 2021 - cell.com
The structured reactivation of hippocampal neuronal ensembles during fast synchronous
oscillatory events, termed sharp-wave ripples (SWRs), has been suggested to play a crucial …

Mesopontine median raphe regulates hippocampal ripple oscillation and memory consolidation

DV Wang, HJ Yau, CJ Broker, JH Tsou, A Bonci… - Nature …, 2015 - nature.com
Sharp wave–associated field oscillations (∼ 200 Hz) of the hippocampus, referred to as
ripples, are believed to be important for consolidation of explicit memory. Little is known …

The role of replay and theta sequences in mediating hippocampal‐prefrontal interactions for memory and cognition

MC Zielinski, W Tang, SP Jadhav - Hippocampus, 2020 - Wiley Online Library
Sequential activity is seen in the hippocampus during multiple network patterns, prominently
as replay activity during both awake and sleep sharp‐wave ripples (SWRs), and as theta …

[HTML][HTML] Progress on the hippocampal circuits and functions based on sharp wave ripples

B Xie, Z Zhen, O Guo, H Li, M Guo, J Zhen - Brain Research Bulletin, 2023 - Elsevier
Sharp wave ripples (SWRs) are high-frequency synchronization events generated by
hippocampal neuronal circuits during various forms of learning and reactivated during …

[PDF][PDF] Hippocampal offline reactivation consolidates recently formed cell assembly patterns during sharp wave-ripples

GM Van de Ven, S Trouche, CG McNamara, K Allen… - Neuron, 2016 - cell.com
The ability to reinstate neuronal assemblies representing mnemonic information is thought
to require their consolidation through offline reactivation during sleep/rest. To test this, we …

Serotonin dependent masking of hippocampal sharp wave ripples

R ul Haq, ML Anderson, JO Hollnagel, F Worschech… - …, 2016 - Elsevier
Sharp wave ripples (SPW-Rs) are thought to play an important role in memory consolidation.
By rapid replay of previously stored information during slow wave sleep and consummatory …