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Figure 4


Fig. 4. Number of chirps (A) and rises (B) (mean ± s.e.m.) produced before (S, spontaneous), during (E, evoked), and after (P, post-stimulus) stimulus presentation. (A) Both A. leptorhynchus and A. albifrons produced more chirps during stimulation (E) than before stimulus onset (S) or after stimulus offset (P). (B) Both species produced more rises after stimulus offset (P) than before stimulus onset (S) or during stimulus presentation (E). Data points within each species that have different letters differ significantly from each other; Tukey's HSD, P<0.05.