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. 2012 Jul 5;8(7):e1002584. doi: 10.1371/journal.pcbi.1002584

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Gilson 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 properly credited.

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Inline graphic — (A) Anticonvolution of a fictive correlogram (red curve) and a typical kernel function (blue curve). The amount of LTP/LTD corresponds to the area under the curve of the product of the two functions. (B) Plot of a typical kernel as a function of (blue curve). It corresponds to (4) for log-STDP with the baseline parameters in Table 1, namely rise and decay time constants and in (29), respectively, and a purely axonal delay . The related STDP learning window is plotted in black dashed line and the mirrored PSP response in pink solid line. The effect of the axonal delay shifts both the and the PSP in the same direction, which cancels out. (C) Variants of for longer PSP time constants, and (purple curve); and for a dendritic delay (green dashed-dotted curve). In contrast to that does not play a role in (4), shifts to the right. The arrows indicate .

(A) Anticonvolution of a fictive correlogram (red curve) and a typical kernel function (blue curve). The amount of LTP/LTD corresponds to the area under the curve of the product of the two functions. (B) Plot of a typical kernel as a function of (blue curve). It corresponds to (4) for log-STDP with the baseline parameters in Table 1, namely rise and decay time constants and in (29), respectively, and a purely axonal delay . The related STDP learning window is plotted in black dashed line and the mirrored PSP response in pink solid line. The effect of the axonal delay shifts both the and the PSP in the same direction, which cancels out. (C) Variants of for longer PSP time constants, and (purple curve); and for a dendritic delay (green dashed-dotted curve). In contrast to that does not play a role in (4), shifts to the right. The arrows indicate .