Figure 7.

ap-GnRH was excitatory to a neuron located on the superior quadrant of the left pedal ganglion (dorsal surface). The addition of 730 nM ap-GnRH triggered the spontaneous firing (top, middle, and bottom before current injection) and increased the firing frequency of evoked AP when depolarized to a plateau potential (bottom). Left panels represent recording traces of the neuron treated with Veh. Right panels represent the same neuron treated with 730 nM ap-GnRH. Current injections (indicated by hatched bars on bottom) were given at 10 pA (top), 100 pA (middle), and 1 nA (bottom).