Journal ArticleDOI
The hippocampus: hub of brain network communication for memory
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TLDR
In this article, a two-stage model of hippocampal activity is proposed, where during active behavior, hippocampal neurons burst synchronously, constituting sharp waves, which can propagate to other structures, theoretically supporting memory consolidation.About:
This article is published in Trends in Cognitive Sciences.The article was published on 2011-07-01. It has received 296 citations till now. The article focuses on the topics: Memory consolidation & Episodic memory.read more
Citations
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About sleep's role in memory
Bjoern Rasch,Jan Born,Jan Born +2 more
TL;DR: This review aims to comprehensively cover the field of "sleep and memory" research by providing a historical perspective on concepts and a discussion of more recent key findings.
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Network hubs in the human brain
TL;DR: Combining data from numerous empirical and computational studies, network approaches strongly suggest that brain hubs play important roles in information integration underpinning numerous aspects of complex cognitive function.
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Large-scale cortical correlation structure of spontaneous oscillatory activity.
TL;DR: This work found that spontaneous oscillatory neuronal activity exhibited frequency-specific spatial correlation structure in the human brain and developed an analysis approach that discounts spurious correlation of signal power caused by the limited spatial resolution of electrophysiological measures.
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The Influences of Emotion on Learning and Memory.
TL;DR: A basic evolutionary approach to emotion is highlighted to understand the effects of emotion on learning and memory and the functional roles played by various brain regions and their mutual interactions in relation to emotional processing.
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Targeted enhancement of cortical-hippocampal brain networks and associative memory
Jane X. Wang,Lynn M. Rogers,Evan Z. Gross,Anthony J. Ryals,Mehmet E. Dokucu,Kelly L. Brandstatt,Molly S. Hermiller,Joel L. Voss +7 more
TL;DR: Targeted cortical-hippocampal networks can be enhanced noninvasively, demonstrating their role in associative memory and involved localized long-term plasticity.
References
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Why there are complementary learning systems in the hippocampus and neocortex: insights from the successes and failures of connectionist models of learning and memory.
TL;DR: The account presented here suggests that memories are first stored via synaptic changes in the hippocampal system, that these changes support reinstatement of recent memories in the neocortex, that neocortical synapses change a little on each reinstatement, and that remote memory is based on accumulated neocorticals changes.
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Theta Oscillations in the Hippocampus
TL;DR: Theta oscillations represent the "on-line" state of the hippocampus and are believed to be critical for temporal coding/decoding of active neuronal ensembles and the modification of synaptic weights.
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The memory function of sleep
Susanne Diekelmann,Jan Born +1 more
TL;DR: Sleep has been identified as a state that optimizes the consolidation of newly acquired information in memory, depending on the specific conditions of learning and the timing of sleep, through specific patterns of neuromodulatory activity and electric field potential oscillations.
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Reactivation of hippocampal ensemble memories during sleep.
TL;DR: In this paper, large ensembles of hippocampal "place cells" were recorded from three rats during spatial behavioral tasks and in slow-wave sleep preceding and following these behaviors, showing an increased tendency to fire together during subsequent sleep, in comparison to sleep episodes preceding the behavioral tasks.