T
Tamás F. Freund
Researcher at Hungarian Academy of Sciences
Publications - 237
Citations - 33521
Tamás F. Freund is an academic researcher from Hungarian Academy of Sciences. The author has contributed to research in topics: Hippocampal formation & Parvalbumin. The author has an hindex of 96, co-authored 235 publications receiving 31361 citations. Previous affiliations of Tamás F. Freund include Pázmány Péter Catholic University & University of Szeged.
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Postsynaptic targets of GABAergic hippocampal neurons in the medial septum-diagonal band of broca complex
TL;DR: The GABAergic hippocamposeptal feedback controls the activity of septal (mostly GABAergic) projection neurons as a function of hippocampal synchrony and a novel circuit diagram, based on recent morphological-immunocytochemical findings, is shown.
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Optogenetic activation of septal cholinergic neurons suppresses sharp wave ripples and enhances theta oscillations in the hippocampus.
Marie Vandecasteele,Marie Vandecasteele,Viktor Sebestyén Varga,Viktor Sebestyén Varga,Antal Berényi,Antal Berényi,Antal Berényi,Edit Papp,Péter Barthó,Laurent Venance,Tamás F. Freund,György Buzsáki,György Buzsáki +12 more
TL;DR: Findings show that medial septal cholinergic activation can both enhance theta rhythm and suppress peri-theta frequency bands, allowing theta oscillations to dominate.
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gamma-Aminobutyric acid-containing basal forebrain neurons innervate inhibitory interneurons in the neocortex.
TL;DR: It is proposed that a mechanism by which the numerically small ascending pathways can exert a powerful global effect in the neocortex is by the selective innervation of gamma-aminobutyric acid-releasing interneurons, which, in turn, control the activity of large populations of pyramidal cells through their extensive axon arborizations.
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Calbindin D28k-containing nonpyramidal cells in the rat hippocampus: Their immunoreactivity for GABA and projection to the medial septum
Krisztina Tóth,Tamás F. Freund +1 more
TL;DR: The results suggest that the calbindin D28k-containing and apparently GABA-immunonegative non-pyramidal cells in stratum oriens of the CA1-CA3 regions may also be GABAergic, but have a distant projection, that is, to the medial septum.
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Context-dependent effects of CB1 cannabinoid gene disruption on anxiety-like and social behaviour in mice.
TL;DR: Novelty stress resulted in higher ACTH levels in CB1‐KOs than in WTs, which suggests that context dependency occurred in conjunction with an altered HPA axis function.