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. 2011 Mar 8;5:8. doi: 10.3389/fncom.2011.00008

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Copyright © 2011 Roxin.

This is an open-access article subject to an exclusive license agreement between the authors and Frontiers Media SA, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited.

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The presence of oscillations is strongly dependent on in-degree but not on out-degree. The amplitude of the oscillations is however significantly modulated by the out-degree. Top: The amplitude of the first side-peak in the AC of the instantaneous firing rate averaged over all excitatory neurons in the network during 100 s. Bottom: the firing rate in Hz averaged over all excitatory neurons and 2 s. Both q_in and q_out were varied by increments of 0.1 from 0 to 1 for a total of 121 simulations.