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. 2009 Nov 18;103(1):419–423. doi: 10.1152/jn.00718.2009

Fig. 3.

Fig. 3.

The EPSC consists of a fast component due to release of the rapidly releasable pool (RRP) followed by a slower release component. We integrated the depolarization-evoked horizontal cell EPSC (A) to measure charge transfer. To separate fast and slow release components, we fit EPSC charge transfer with a sum of 2 exponentials (B). — in B shows the biexponential fit to the EPSC. We also illustrate the 2 components of this biexponential function separately: - - -, the fast exponential (702 pC, τ = 3.4 ms); ···, the slower component (4,189 pC, τ = 121 ms).