Figure 5: Electrophysiological recordings of inward currents produced by glycine in oocytes containing alpha1 and alpha2 receptors in the absence and presence of butanol. Oocytes were perfused with butanol (5 mM) for 1 min prior to the application of butanol (5 mM) plus glycine (alpha1: 25 uM) or glycine (alpha2: 50 uM) for 30 sec.