Hippocampal sequences during exploration: mechanisms and functions

C Drieu, M Zugaro - Frontiers in cellular neuroscience, 2019 - frontiersin.org
Although the hippocampus plays a critical role in spatial and episodic memories, the
mechanisms underlying memory formation, stabilization, and recall for adaptive behavior …

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 …

Memory trace replay: the shaping of memory consolidation by neuromodulation

LA Atherton, D Dupret, JR Mellor - Trends in neurosciences, 2015 - cell.com
The consolidation of memories for places and events is thought to rely, at the network level,
on the replay of spatially tuned neuronal firing patterns representing discrete places and …

Parsing hippocampal theta oscillations by nested spectral components during spatial exploration and memory-guided behavior

V Lopes-dos-Santos, GM van de Ven, A Morley… - Neuron, 2018 - cell.com
Theta oscillations reflect rhythmic inputs that continuously converge to the hippocampus
during exploratory and memory-guided behavior. The theta-nested operations that organize …

Spatial learning drives rapid goal representation in hippocampal ripples without place field accumulation or goal-oriented theta sequences

BE Pfeiffer - Journal of Neuroscience, 2022 - Soc Neuroscience
The hippocampus is critical for rapid acquisition of many forms of memory, although the
circuit-level mechanisms through which the hippocampus rapidly consolidates novel …

Dissociation between the experience-dependent development of hippocampal theta sequences and single-trial phase precession

T Feng, D Silva, DJ Foster - Journal of Neuroscience, 2015 - Soc Neuroscience
Theta sequences are circuit-level activity patterns produced when groups of hippocampal
place cells fire in sequences that reflect a compressed behavioral order of place fields within …

Hippocampal sharp-wave ripples in waking and sleeping states

DK Roumis, LM Frank - Current opinion in neurobiology, 2015 - Elsevier
Highlights•Hippocampal SWRs contain neural activity reactivations in both waking and
sleeping.•SWRs in waking and sleeping entail distinct features, particularly replay …

Reactivation of behavioral activity during sharp waves: a computational model for two stage hippocampal dynamics

C Molter, N Sato, Y Yamaguchi - Hippocampus, 2007 - Wiley Online Library
The rodent hippocampus is known to exhibit two very distinctive patterns of activity: theta
with place selective cells firing during exploratory behavior and sharp waves (SPWs) …

[HTML][HTML] Direct medial entorhinal cortex input to hippocampal CA1 is crucial for extended quiet awake replay

J Yamamoto, S Tonegawa - Neuron, 2017 - cell.com
Hippocampal replays have been demonstrated to play a crucial role in memory. Chains of
ripples (ripple bursts) in CA1 have been reported to co-occur with long-range place cell …

Hippocampal sharp waves and reactivation during awake states depend on repeated sequential experience

JC Jackson, A Johnson, AD Redish - Journal of Neuroscience, 2006 - Soc Neuroscience
Hippocampal firing patterns during behavior are reactivated during rest and subsequent
slow-wave sleep. These reactivations occur during transient local field potential (LFP) …