Figure 5From: Octopamine increases the excitability of neurons in the snail feeding system by modulation of inward sodium current but not outward potassium currentsInactivation of the transient outward current in the B1 motoneuron. A. Holding the voltage for 800 ms at different values, and stepping to a fixed potential of +15 mV, determines the inactivation of the transient outward current. The transient outward current was measured at its peak value. B. Summary data for 11 runs from 4 preparations, showing mean ± SE total outward current. The solid line shows a fit of the Boltzmann equation to the mean data, with a half voltage (h) of -71 mV and slope (s) of -6.6 mV.Back to article page