Fig. 2. Naltrindole enhances anoxic neuronal depolarization via G_i protein inhibition. Summary of E_m changes from cortical neurons during treatment. E_m was assessed as the mean of sequential 5 min recording segments. Data are expressed as means ± s.e.m. ^*Data significantly different from normoxic controls; data significantly different from anoxic controls. Significance was assessed at P<0.05. The bar indicates the duration of the treatment indicated in the key.