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Phys Rev Lett. 2002 Mar 18;88(11):118102. Epub 2002 Mar 4.

Long term behavior of lithographically prepared in vitro neuronal networks.

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1
School of Physics and Astronomy, Raymond & Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel-Aviv 69978, Israel.

Abstract

We measured the long term spontaneous electrical activity of neuronal networks with different sizes, grown on lithographically prepared substrates and recorded with multi-electrode-array technology. The time sequences of synchronized bursting events were used to characterize network dynamics. All networks exhibit scale-invariant Lévy distributions and long-range correlations. These observations suggest that different-size networks self-organize to adjust their activities over many time scales. As predictions of current models differ from our observations, this calls for revised models.

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PMID:
11909430
DOI:
10.1103/PhysRevLett.88.118102
[Indexed for MEDLINE]

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