Induction of sharp wave-ripple complexes in vitro and reorganization of hippocampal networks

Christoph J. Behrens; Leander P. Van Den Boom; Livia De Hoz; Alon Friedman; Uwe Heinemann

doi:10.1038/nn1571

Induction of sharp wave-ripple complexes in vitro and reorganization of hippocampal networks

Christoph J. Behrens, Leander P. Van Den Boom, Livia De Hoz, Alon Friedman, Uwe Heinemann

Physiology and Cell Biology

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202 Scopus citations

Abstract

Hippocampal sharp wave-ripple complexes (SPW-Rs) occur during slow-wave sleep and behavioral immobility and are thought to represent stored information that is transferred to the neocortex during memory consolidation. Here we show that stimuli that induce long-term potentiation (LTP), a neurophysiological correlate of learning and memory, can lead to the generation of SPW-Rs in rat hippocampal slices. The induced SPW-Rs have properties that are identical to spontaneously generated SPW-Rs: they originate in CA3, propagate to CA1 and subiculum and require AMPA/kainate receptors. Their induction is dependent on NMDA receptors and involves changes in interactions between clusters of neurons in the CA3 network. Their expression is blocked by low-frequency stimulation but not by NMDA receptor antagonists. These data indicate that induction of LTP in the recurrent CA3 network may facilitate the generation of SPW-Rs.

Original language	English
Pages (from-to)	1560-1567
Number of pages	8
Journal	Nature Neuroscience
Volume	8
Issue number	11
DOIs	https://doi.org/10.1038/nn1571
State	Published - 1 Nov 2005

ASJC Scopus subject areas

General Neuroscience

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title = "Induction of sharp wave-ripple complexes in vitro and reorganization of hippocampal networks",

abstract = "Hippocampal sharp wave-ripple complexes (SPW-Rs) occur during slow-wave sleep and behavioral immobility and are thought to represent stored information that is transferred to the neocortex during memory consolidation. Here we show that stimuli that induce long-term potentiation (LTP), a neurophysiological correlate of learning and memory, can lead to the generation of SPW-Rs in rat hippocampal slices. The induced SPW-Rs have properties that are identical to spontaneously generated SPW-Rs: they originate in CA3, propagate to CA1 and subiculum and require AMPA/kainate receptors. Their induction is dependent on NMDA receptors and involves changes in interactions between clusters of neurons in the CA3 network. Their expression is blocked by low-frequency stimulation but not by NMDA receptor antagonists. These data indicate that induction of LTP in the recurrent CA3 network may facilitate the generation of SPW-Rs.",

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AU - Behrens, Christoph J.

AU - Van Den Boom, Leander P.

AU - De Hoz, Livia

AU - Friedman, Alon

AU - Heinemann, Uwe

PY - 2005/11/1

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N2 - Hippocampal sharp wave-ripple complexes (SPW-Rs) occur during slow-wave sleep and behavioral immobility and are thought to represent stored information that is transferred to the neocortex during memory consolidation. Here we show that stimuli that induce long-term potentiation (LTP), a neurophysiological correlate of learning and memory, can lead to the generation of SPW-Rs in rat hippocampal slices. The induced SPW-Rs have properties that are identical to spontaneously generated SPW-Rs: they originate in CA3, propagate to CA1 and subiculum and require AMPA/kainate receptors. Their induction is dependent on NMDA receptors and involves changes in interactions between clusters of neurons in the CA3 network. Their expression is blocked by low-frequency stimulation but not by NMDA receptor antagonists. These data indicate that induction of LTP in the recurrent CA3 network may facilitate the generation of SPW-Rs.

AB - Hippocampal sharp wave-ripple complexes (SPW-Rs) occur during slow-wave sleep and behavioral immobility and are thought to represent stored information that is transferred to the neocortex during memory consolidation. Here we show that stimuli that induce long-term potentiation (LTP), a neurophysiological correlate of learning and memory, can lead to the generation of SPW-Rs in rat hippocampal slices. The induced SPW-Rs have properties that are identical to spontaneously generated SPW-Rs: they originate in CA3, propagate to CA1 and subiculum and require AMPA/kainate receptors. Their induction is dependent on NMDA receptors and involves changes in interactions between clusters of neurons in the CA3 network. Their expression is blocked by low-frequency stimulation but not by NMDA receptor antagonists. These data indicate that induction of LTP in the recurrent CA3 network may facilitate the generation of SPW-Rs.

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Induction of sharp wave-ripple complexes in vitro and reorganization of hippocampal networks

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