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. 1997 Dec 1;17(23):9048–9059. doi: 10.1523/JNEUROSCI.17-23-09048.1997

Fig. 7.

Fig. 7.

Time course of reduction in presynaptic calcium influx. A, Magnesium green ΔF/Ftransients (top) and stimulus protocol (bottom) at 32°C. B, Time course of post-tetanic reduction of calcium influx. Each data point represents the relative decrease in the peak ΔF/F transient evoked by S1 after a tetanus delivered byS2 relative to a control transient evoked by S1 10 sec before the tetanus. Inset, Fluorescence transients taken at seven different times after tetanus. Traces and data points are averages of three trials. Δt is the time between the tetanus and the test pulse.