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. 2016 Aug 3;6:30899. doi: 10.1038/srep30899

Figure 4. Probabilistic induction of long-term synaptic plasticity.

Figure 4

(A) The durations and peak amplitudes of the Ca2+ pulses regulated the probabilities of induction of LTP (PLTP), LTD (PLTD), and failure of induction of synaptic plasticity (PFailure) in the control model. The regulatory role of Ca2+ on PLTP and PLTD was further modulated by the absence of αCaMKII (B), which promoted a global reduction of PLTD and an increase of PLTP. The simultaneous absence of αCaMKII and CaN had no additional effect on PLTD, but suppressed the occurrence of LTP (C). For each Ca2+ concentration in each panel, we analysed the results of 50–200 single runs of the model.