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Fig. 10. The peptide red pigment concentrating hormone (RPCH) did not affect the
pyloric pattern when the stn was intact and an ongoing pyloric
pattern was active. (A,B) Phase plots, showing two cycles of the pyloric
pattern in control saline (A) and in the presence of 10–6 mol
l–1 RPCH (B), showing that the pattern itself remained
virtually unchanged by RPCH. (C–E) Cycle frequency (C), spike
frequencies during bursts (D) and burst durations (E) were all unchanged.
N=4 preparations. Error bars represent standard deviations.