Search Results - "Manseau, Frédéric"

Optogenetic gamma stimulation rescues memory impairments in an Alzheimer’s disease mouse model by Etter, Guillaume, van der Veldt, Suzanne, Manseau, Frédéric, Zarrinkoub, Iman, Trillaud-Doppia, Emilie, Williams, Sylvain

“…Slow gamma oscillations (30–60 Hz) correlate with retrieval of spatial memory. Altered slow gamma oscillations have been observed in Alzheimer’s disease. Here,…”
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Activation of specific neuronal networks leads to different seizure onset types by Shiri, Zahra, Manseau, Frédéric, Lévesque, Maxime, Williams, Sylvain, Avoli, Massimo

“…Objective Ictal events occurring in temporal lobe epilepsy patients and in experimental models mimicking this neurological disorder can be classified, based on…”
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Optogenetic Activation of Septal Glutamatergic Neurons Drive Hippocampal Theta Rhythms by Robinson, Jennifer, Manseau, Frédéric, Ducharme, Guillaume, Amilhon, Bénédicte, Vigneault, Erika, El Mestikawy, Salah, Williams, Sylvain

“…The medial septum and diagonal band of Broca (MS-DBB) has an essential role for theta rhythm generation in the hippocampus and is critical for learning and…”
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Interneuron activity leads to initiation of low-voltage fast-onset seizures by Shiri, Zahra, Manseau, Frédéric, Lévesque, Maxime, Williams, Sylvain, Avoli, Massimo

“…Seizures in temporal lobe epilepsy can be classified as hypersynchronous and low‐voltage fast according to their onset patterns. Experimental evidence suggests…”
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Parvalbumin Interneurons of Hippocampus Tune Population Activity at Theta Frequency by Amilhon, Bénédicte, Huh, Carey Y.L., Manseau, Frédéric, Ducharme, Guillaume, Nichol, Heather, Adamantidis, Antoine, Williams, Sylvain

“…Hippocampal theta rhythm arises from a combination of recently described intrinsic theta oscillators and inputs from multiple brain areas. Interneurons…”
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Specific imbalance of excitatory/inhibitory signaling establishes seizure onset pattern in temporal lobe epilepsy by Avoli, Massimo, de Curtis, Marco, Gnatkovsky, Vadym, Gotman, Jean, Köhling, Rüdiger, Lévesque, Maxime, Manseau, Frédéric, Shiri, Zahra, Williams, Sylvain

“…Low-voltage fast (LVF) and hypersynchronous (HYP) patterns are the seizure-onset patterns most frequently observed in intracranial EEG recordings from mesial…”
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Conjunctive spatial and self-motion codes are topographically organized in the GABAergic cells of the lateral septum by van der Veldt, Suzanne, Etter, Guillaume, Mosser, Coralie-Anne, Manseau, Frédéric, Williams, Sylvain

“…The hippocampal spatial code’s relevance for downstream neuronal populations—particularly its major subcortical output the lateral septum (LS)—is still poorly…”
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Optogenetic Low-Frequency Stimulation of Specific Neuronal Populations Abates Ictogenesis by Shiri, Zahra, Lévesque, Maxime, Etter, Guillaume, Manseau, Frédéric, Williams, Sylvain, Avoli, Massimo

“…Despite many advances made in understanding the pathophysiology of epileptic disorders, seizures remain poorly controlled in approximately one-third of…”
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Reversal of theta rhythm flow through intact hippocampal circuits by Jackson, Jesse, Amilhon, Bénédicte, Goutagny, Romain, Bott, Jean-Bastien, Manseau, Frédéric, Kortleven, Christian, Bressler, Steven L, Williams, Sylvain

“…Theta oscillations are thought to propagate unidirectionally along the hippocampal circuitry, from CA3 to CA1 and the subiculum. In this paper, Jackson and…”
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Excitatory Inputs Determine Phase-Locking Strength and Spike-Timing of CA1 Stratum Oriens/Alveus Parvalbumin and Somatostatin Interneurons during Intrinsically Generated Hippocampal Theta Rhythm by Huh, Carey Y L, Amilhon, Bénédicte, Ferguson, Katie A, Manseau, Frédéric, Torres-Platas, Susana G, Peach, John P, Scodras, Stephanie, Mechawar, Naguib, Skinner, Frances K, Williams, Sylvain

“…Theta oscillations are essential for learning and memory, and their generation requires GABAergic interneurons. To better understand how theta is generated, we…”
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The Hippocamposeptal Pathway Generates Rhythmic Firing of GABAergic Neurons in the Medial Septum and Diagonal Bands: An Investigation Using a Complete Septohippocampal Preparation In Vitro by Manseau, Frederic, Goutagny, Romain, Danik, Marc, Williams, Sylvain

“…The medial septum diagonal band area (MS/DB) projects to the hippocampus through the fornix/fimbria pathway and is implicated in generating hippocampal theta…”
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Factors affecting river turbidity in a degrading permafrost environment: the Tasiapik River, Umiujaq (Nunavik) by Manseau, Frédéric, Bhiry, Najat, Molson, John, Cloutier, Danielle

“…This study focuses on spatiotemporal changes in water turbidity in relation to permafrost to document the impact of meteorological conditions and water flow on…”
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Tuning in the Hippocampal Theta Band In Vitro: Methodologies for Recording from the Isolated Rodent Septohippocampal Circuit by Manseau, Frédéric, Williams, Sylvain

“…This protocol outlines the procedures for preparing and recording from the isolated whole hippocampus, of WT and transgenic mice, along with recent…”
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A Characterization of the Electrophysiological and Morphological Properties of Vasoactive Intestinal Peptide (VIP) Interneurons in the Medial Entorhinal Cortex (MEC) by Badrinarayanan, Saishree, Manseau, Frédéric, Williams, Sylvain, Brandon, Mark P

“…Circuit interactions within the medial entorhinal cortex (MEC) translate movement into a coherent code for spatial location. Entorhinal principal cells are…”
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Electrophysiological and Morphological Characterization of Chrna2 Cells in the Subiculum and CA1 of the Hippocampus: An Optogenetic Investigation by Nichol, Heather, Amilhon, Bénédicte, Manseau, Frédéric, Badrinarayanan, Saishree, Williams, Sylvain

“…The nicotinic acetylcholine receptor alpha2 subunit (Chrna2) is a specific marker for oriens lacunosum-moleculare (OLM) interneurons in the dorsal CA1 region…”
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Desynchronization of neocortical networks by asynchronous release of GABA at autaptic and synaptic contacts from fast-spiking interneurons by Manseau, Frédéric, Marinelli, Silvia, Méndez, Pablo, Schwaller, Beat, Prince, David A, Huguenard, John R, Bacci, Alberto

“…Networks of specific inhibitory interneurons regulate principal cell firing in several forms of neocortical activity. Fast-spiking (FS) interneurons are…”
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Regulation of the Hippocampal Network by VGLUT3-Positive CCK- GABAergic Basket Cells by Fasano, Caroline, Rocchetti, Jill, Pietrajtis, Katarzyna, Zander, Johannes-Friedrich, Manseau, Frédéric, Sakae, Diana Y, Marcus-Sells, Maya, Ramet, Lauriane, Morel, Lydie J, Carrel, Damien, Dumas, Sylvie, Bolte, Susanne, Bernard, Véronique, Vigneault, Erika, Goutagny, Romain, Ahnert-Hilger, Gudrun, Giros, Bruno, Daumas, Stéphanie, Williams, Sylvain, El Mestikawy, Salah

“…Hippocampal interneurons release the inhibitory transmitter GABA to regulate excitation, rhythm generation and synaptic plasticity. A subpopulation of…”
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NMDA-dependent phase synchronization between septal and temporal CA3 hippocampal networks by Gu, Ning, Jackson, Jesse, Goutagny, Romain, Lowe, Germaine, Manseau, Frédéric, Williams, Sylvain

“…Increasing evidence suggests that synchronization between brain regions is essential for information exchange and memory processes. However, it remains…”
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In vitro activation of the medial septum-Diagonal band complex generates atropine-sensitive and atropine-resistant hippocampal theta rhythm: An investigation using a complete septohippocampal preparation by Goutagny, Romain, Manseau, Frédéric, Jackson, Jesse, Danik, Marc, Williams, Sylvain

“…The medial septum and diagonal band complex (MS‐DB) is believed to play a key role in generating theta oscillations in the hippocampus, a phenomenon critical…”
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Network models provide insights into how oriens-lacunosum-moleculare and bistratified cell interactions influence the power of local hippocampal CA1 theta oscillations by Ferguson, Katie A, Huh, Carey Y L, Amilhon, Bénédicte, Manseau, Frédéric, Williams, Sylvain, Skinner, Frances K

“…Hippocampal theta is a 4-12 Hz rhythm associated with episodic memory, and although it has been studied extensively, the cellular mechanisms underlying its…”
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