Variable specificity of memory trace reactivation during hippocampal sharp wave ripples

RA Swanson, D Levenstein, K McClain… - Current Opinion in …, 2020 - Elsevier
Hippocampal sharp wave-ripples (SWR) are thought to mediate brain-wide reactivation of
memory traces in service of memory consolidation. However, rather than the faithful replay of …

Mechanisms of sharp wave initiation and ripple generation

D Schlingloff, S Káli, TF Freund, N Hájos… - Journal of …, 2014 - Soc Neuroscience
Replay of neuronal activity during hippocampal sharp wave-ripples (SWRs) is essential in
memory formation. To understand the mechanisms underlying the initiation of irregularly …

[PDF][PDF] Hippocampal replay is not a simple function of experience

AS Gupta, MAA Van Der Meer, DS Touretzky… - Neuron, 2010 - cell.com
Replay of behavioral sequences in the hippocampus during sharp wave ripple complexes
(SWRs) provides a potential mechanism for memory consolidation and the learning of …

Unbalanced excitability underlies offline reactivation of behaviorally activated neurons

M Mizunuma, H Norimoto, K Tao, T Egawa… - Nature …, 2014 - nature.com
Hippocampal sharp waves (SWs)/ripples represent the reactivation of neurons involved in
recently acquired memory and are crucial for memory consolidation. By labeling active cells …

[PDF][PDF] Rewarded outcomes enhance reactivation of experience in the hippocampus

AC Singer, LM Frank - Neuron, 2009 - cell.com
Remembering experiences that lead to reward is essential for survival. The hippocampus is
required for forming and storing memories of events and places, but the mechanisms that …

Hippocampal sharp wave-ripples and the associated sequence replay emerge from structured synaptic interactions in a network model of area CA3

A Ecker, B Bagi, E Vértes, O Steinbach-Németh… - Elife, 2022 - elifesciences.org
Hippocampal place cells are activated sequentially as an animal explores its environment.
These activity sequences are internally recreated ('replayed'), either in the same or reversed …

Spatiotemporal patterns of neocortical activity around hippocampal sharp-wave ripples

J Karimi Abadchi, M Nazari-Ahangarkolaee, S Gattas… - elife, 2020 - elifesciences.org
A prevalent model is that sharp-wave ripples (SWR) arise 'spontaneously'in CA3 and
propagate recent memory traces outward to the neocortex to facilitate memory consolidation …

[HTML][HTML] Ripples make waves: binding structured activity and plasticity in hippocampal networks

JHLP Sadowski, MW Jones, JR Mellor - Neural Plasticity, 2011 - hindawi.com
Establishing novel episodic memories and stable spatial representations depends on an
exquisitely choreographed, multistage process involving the online encoding and offline …

Hippocampal ripples as a mode of communication with cortical and subcortical areas

R Todorova, M Zugaro - Hippocampus, 2020 - Wiley Online Library
Hippocampal sharp wave‐ripple complexes are transient events of highly synchronous
neuronal activity that typically occur during “offline” brain states. This endogenous surge of …

[PDF][PDF] Transient slow gamma synchrony underlies hippocampal memory replay

MF Carr, MP Karlsson, LM Frank - Neuron, 2012 - cell.com
The replay of previously stored memories during hippocampal sharp wave ripples (SWRs) is
thought to support both memory retrieval and consolidation in distributed hippocampal …