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. 2017 May 26;12(5):e0178683. doi: 10.1371/journal.pone.0178683

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© 2017 Del Papa et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 4 — (A), (B) Distribution of avalanche durations and sizes, respectively, for N^E = 200 units, comparing typical SORNs (black), randomly initialized SORNs without plasticity action (red) and SORNs with all five plasticity mechanisms frozen at the stable phase (cyan). (C), (D) Distribution of avalanche durations and sizes, respectively, for the same network size, comparing SORNs with frozen IP (red) and frozen STDP, iSTDP, SN and SP (cyan) at the stable phase. Curves are combined data from 50 independent simulations, and shaded regions show the effects of variations in the activity threshold (θ between the 5th and 25th percentiles of the activity distribution).