Figure 1. Potassium chloride (30 mM)- and hypoxia-evoked glutamate release in rat hippocampal brain slices (top) with or without (control) dexmedetomidine. n = 8 for all experiments. Data are presented as the mean plus/minus SD. *Significantly different (P < 0.05) from control. The bottom figure illustrates actual data of two brain slices from a potassium chloride-evoked glutamate release experiment. Arrow indicates the time of potassium chloride application.