The effects of (1S,3R)-ACPD on cumulative probability mEPSC amplitude histograms. A, In the same cell as Figure 2, 100 μm (1S,3R)-ACPD caused a leftward shift of the cumulative probability histogram. B, An example of a TMN whose cumulative probability histograms superimposed for control and 20 μm (1S,3R)-ACPD conditions. For bothA and B, control and (1S,3R)-ACPD conditions are distinguished by ○ and •, respectively. Bin size was adjusted to 1 pA for display purposes.