Fig. 2: IPI timing control.
From: What determines the information update rate in echolocating bats

a Two IPI timing paradigms: The Blue line represents an internal pattern generator while the red represents a feedback dependent generator that relies on the timing set by the previous signal and thus constantly increases over time. Both are compared to the ideal no error grey line. b The IPI error distribution for the four bat species. Lines represent the mean for all conspecifics and shaded areas represent the SE. Asterisks represent the individual data points for each species. N = 25 bats from all four species in total. c Examining consecutive signal error correlations - an example is given for one individual from each species.