Fig. 2. Isoflurane does not affect dorsal root–evoked monosynaptic excitatory postsynaptic currents. (A and B ) Averaged traces of monosynaptic excitatory postsynaptic currents evoked by Aδ- ( A ) and C-fiber ( B ) intensity stimulation before and during the application of isoflurane (3 min). These were recorded in two different cells. ( C ) The amplitude under the action of isoflurane, relative to that in the control. Isoflurane had no effect on Aδ- and C-fiber–evoked monosynaptic excitatory postsynaptic currents (n = 9 and 6, respectively).