FIGURE 7.

Application of OA does not increase exocytosis. Twenty current traces recorded every 10 s from a single cell under voltage clamp in the presence of (A) normal bath solution and (B) normal bath solution with 4 μM OA added. (C) High K⁺ bath solution. Note the different scale, demonstrating that synapses in the network are release competent given the proper stimulus. Each experimental condition was presented sequentially from A to C. Within each condition, blue traces were recorded earlier, red traces later. The top graph in each panel displays the traces superimposed on a 2D plot, whereas the bottom graph shows each trace separated along the y axis.