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Behavioral/Systems/Cognitive

Neuronal Avalanches in Neocortical Circuits

John M. Beggs and Dietmar Plenz
Journal of Neuroscience 3 December 2003, 23 (35) 11167-11177; DOI: https://doi.org/10.1523/JNEUROSCI.23-35-11167.2003
John M. Beggs
Unit of Neural Network Physiology, Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, Maryland 20892
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Dietmar Plenz
Unit of Neural Network Physiology, Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, Maryland 20892
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Figure 2.

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Figure 2.

Activity within synchronized periods is composed of avalanches. A, Raster of spontaneous activity (top) shows correlated periods containing spatiotemporal patterns (middle) and an avalanche of three frames in the original coordinates of the multielectrode array (bottom). Avalanches were defined as sequences of continuous activity that were preceded and terminated by a bin width of Δt with no activity. Dots, LFP times (dot sizes proportional to LFP amplitudes); 1 and 8, columns and rows on the grid. B, Cultured cortical networks produce thousands of avalanches of different durations per hour.

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The Journal of Neuroscience: 42 (26)
Journal of Neuroscience
Vol. 42, Issue 26
29 Jun 2022
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