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Titolo:
Spontaneous synchronous discharges in hippocampal slices. Simulation and experiment
Autore:
Dudkin, AO; Sbitnev, VI;
Indirizzi:
Russian Acad Sci, Konstantinov St Petersburg Nucl Phys Inst, St Petersburg196140, Russia Russian Acad Sci St Petersburg Russia 196140 St Petersburg196140, Russia
Titolo Testata:
BIOFIZIKA
fascicolo: 1, volume: 45, anno: 2000,
pagine: 119 - 124
SICI:
0006-3029(200001/02)45:1<119:SSDIHS>2.0.ZU;2-2
Fonte:
ISI
Lingua:
RUS
Soggetto:
SOURCE-DENSITY ANALYSIS; COUPLED MAP LATTICE;
Keywords:
nerve tissues; extracellular potential; chaotic oscillations; synchronous rhythm;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
21
Recensione:
Indirizzi per estratti:
Citazione:
A.O. Dudkin e V.I. Sbitnev, "Spontaneous synchronous discharges in hippocampal slices. Simulation and experiment", BIOFIZIKA, 45(1), 2000, pp. 119-124

Abstract

Chaotic oscillations of extracellular potential of field-type nerve tissues are simulated by a 2D coupled map lattice. These tissues, say, the fieldsof the hippocampus, are represented by neural mass sheets consisting of current sources. The relationship between the source-sink ensembles and the extracellular field potential at each discrete instant of time t = 1, 2, ...is described by a single-site map creating chaos. The 2D coupled map lattice is viewed as a network of diffusively coupled the maps creating spatiotemporal chaos. The conversion of chaotic oscillations into synhronous ones, which are typical for epileptiform discharges, is studied. The results obtained are in good agreement with those derived from hippocampal slices treated with picrotoxin.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 06/04/20 alle ore 06:49:45