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  Coherent Dynamics in the Frontal Cortex of the Behaving Monkey: Experimental Observations and Model Interpretation

Aertsen, A., Erb, M., Haalman, I., & Vaadia, E. (1996). Coherent Dynamics in the Frontal Cortex of the Behaving Monkey: Experimental Observations and Model Interpretation. In I. Gath, & G. Inbar (Eds.), Advances in Processing and Pattern Analysis of Biological Signals (pp. 205-224). London, UK: Plenum Press.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0006-A34C-D Versions-Permalink: https://hdl.handle.net/21.11116/0000-0006-A34D-C
Genre: Konferenzbeitrag

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externe Referenz:
https://link.springer.com/content/pdf/10.1007%2F978-1-4757-9098-6_15.pdf (Verlagsversion)
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Urheber

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 Urheber:
Aertsen, A, Autor           
Erb, M1, Autor           
Haalman, I, Autor
Vaadia, E, Autor
Affiliations:
1External Organizations, ou_persistent22              

Inhalt

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Schlagwörter: -
 Zusammenfassung: We have explored the hypothesis that cortical function is mediated by dynamic modulation of coherent firing in groups of neurons. Multiple single neuron activity was recorded in the frontal cortex of behaving monkeys, and analyzed for signs of correlation, using recently developed tools of dynamic correlation analysis. Correlation between neurons changed frequently within a fraction of a second, and in relation to stimuli and behavioral events. Moreover, the dynamic patterns of correlation depended on the distance between neurons. These findings support the notion that, in order to perform a computational task, neurons can associate rapidly into a functional group, while dissociating from concurrently activated competing groups. Possible mechanisms underlying such dynamic organization were investigated in spiking neural network models. We found that similar dynamic organization can be accomplished in these models, even without associated modifications of the synaptic connections. We discuss the consequences of. these findings for the spatio-temporal organization of cortical cell assemblies.

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Sprache(n):
 Datum: 1996
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1007/978-1-4757-9098-6_15
 Art des Abschluß: -

Veranstaltung

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Titel: Bat-Sheva De Rotschild Seminar
Veranstaltungsort: Haifa, Israel
Start-/Enddatum: 1995-03-19 - 1995-03-25

Entscheidung

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Quelle 1

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Titel: Advances in Processing and Pattern Analysis of Biological Signals
Genre der Quelle: Konferenzband
 Urheber:
Gath, I, Herausgeber
Inbar, GF, Herausgeber
Affiliations:
-
Ort, Verlag, Ausgabe: London, UK : Plenum Press
Seiten: 424 Band / Heft: - Artikelnummer: 15 Start- / Endseite: 205 - 224 Identifikator: ISBN: 0-306-45215-4