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Fig. 4. AGR affects the pyloric rhythm. (A) Intracellular recordings of AGR and LG
and extracellular recordings of three pyloric nerves. AGR was depolarized with
current injection. While the spike activities of IC and VD were diminished
during the depolarization, LG was activated by the stimulus. (B) Mean number
of spikes per burst of the pyloric neurons PD, LP, VD and IC, and pyloric
cycle period before (open boxes) and during AGR stimulation (filled boxes)
when LG was active. **P<0.01. (C) Same experiment as in
A. Current injection was used to prevent spike activity in LG. (D) On average,
IC and VD activity was diminished during AGR activity, even when LG was not
active. In addition, the pyloric period increased.
*P<0.05. See text for definition of abbreviations.
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