Fig. 4. Midazolam has no inhibitory action in the presence of bicuculline. Aδ-fiber intensity dorsal root stimulation evoked polysynaptic excitatory postsynaptic currents in the presence of bicuculline (20 μm). The amplitude and integrated area of the Aδ-fiber evoked polysynaptic excitatory postsynaptic currents were not affected by midazolam (n = 5). Vertical bars show SDs.