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Titolo:
High-frequency oscillations in human brain
Autore:
Bragin, A; Engel, J; Wilson, CL; Fried, I; Buzsaki, G;
Indirizzi:
Univ Calif Los Angeles, Sch Med, Dept Neurol, Los Angeles, CA 90095 USA Univ Calif Los Angeles Los Angeles CA USA 90095 Los Angeles, CA 90095 USA Univ Calif Los Angeles, Sch Med, Reed Neurol Res Ctr, Los Angeles, CA 90095 Univ Calif Los Angeles Los Angeles CA USA 90095 tr, Los Angeles, CA 90095 Univ Calif Los Angeles, Sch Med, Div Neurosurg, Los Angeles, CA 90095 USA Univ Calif Los Angeles Los Angeles CA USA 90095 Los Angeles, CA 90095 USA Univ Calif Los Angeles, Sch Med, Inst Brain Res, Los Angeles, CA 90095 USAUniv Calif Los Angeles Los Angeles CA USA 90095 Los Angeles, CA 90095 USA Rutgers State Univ, Ctr Mol & Behav Neurosci, Newark, NJ 07102 USA RutgersState Univ Newark NJ USA 07102 hav Neurosci, Newark, NJ 07102 USA
Titolo Testata:
HIPPOCAMPUS
fascicolo: 2, volume: 9, anno: 1999,
pagine: 137 - 142
SICI:
1050-9631(1999)9:2<137:HOIHB>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
RAT HIPPOCAMPAL SLICES; HUMAN TEMPORAL LOBES; FUNCTIONAL CONNECTIONS; BURST DISCHARGE; DENTATE GYRUS; IN-VITRO; INHIBITION; NEURONS; ORGANIZATION; INTERNEURONS;
Keywords:
hippocampus; ripples; epilepsy;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
46
Recensione:
Indirizzi per estratti:
Indirizzo: Engel, J Unives,lif Los Angeles, Sch Med, Dept Neurol, 710 Westwood Plaza,Los Angel Univ Calif Los Angeles 710 Westwood Plaza Los Angeles CA USA 90095
Citazione:
A. Bragin et al., "High-frequency oscillations in human brain", HIPPOCAMPUS, 9(2), 1999, pp. 137-142

Abstract

Ripples are 100-200 Hz short-duration oscillatory field potentials that have recently been recorded in rat hippocampus and entorhinal cortex. They reflect fast IPSPs on the soma of pyramidal cells, which occur during synchronous afferent excitation of principal cells and interneuron networks. We now describe two similar types of high-frequency field oscillations recorded from the entorhinal cortex and hippocampus of patients with mesial temporallobe epilepsy. The first type appears be the human equivalent of normal ripples in the rat. The second, which we have termed fast ripples (FR), are in the frequency range of 250-500 Hz. FR are found in the epileptogenic region and may reflect pathological hypersynchronous population spikes of bursting pyramidal cells. Hippocampus 1999;9:137-742. (C) 1999 Wiley-Liss, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 09/07/20 alle ore 17:00:22