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. 2013 Nov 21;7:170. doi: 10.3389/fncom.2013.00170

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Copyright © 2013 Albers, Schmiedt and Pawelzik.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Susceptibility of the synapse in the Triplet model. Shown is the rate of weight change of the synapse as a function of f_mod and Δφ in the Triplet model, with each of the parameter sets and with different neuronal baseline firing rates. In contrast to Figure 4 the colorscale is separate for each plot. (A) Area VC5, left: 5 Hz average firing rate, right: 20 Hz firing rate. At 5 Hz, the weight change is negative everywhere (not visible because of the order of magnitude). Changing the firing rate to 20 Hz leads to LTP everywhere. (B) Area HC, at 5 and 20 Hz average firing rate of the both neurons. The weight change is negative for both conditions. (C,D) Areas SC23 and VC23 at a baseline firing rate of 5 Hz. With both parameter sets, the weight change is purely negative.