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. 2018 Jun 12;8:8939. doi: 10.1038/s41598-018-27099-5

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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The superimposed 10 sec traces of the membrane potentials of a network of N = 400 neurons and a relative fraction of excitatory to inhibitory neurons of 80:20. Left: After a simulation of 3600 sec for the same SOPBN considered in Figs. 2 and 4. Right: For a network with only short-term synaptic plasticity, namely with ε_b = 0 = ε_w. Note that the synaptic weights are in this case as drawn from the initial distribution, which is balanced with means 7.5 (−30.0) and widths 0.375 (1.5) for excitatory and respectively for inhibitory synapses. Additionally turning off short-term synaptic plasticity changes the irregular state only quantitatively.