Callnote reviews1/31/2024 These results are consistent with the ideas that the first call note conveys more information than the others for auditory recognition and that there is left-hemisphere dominance for processing information derived from conspecific calls in frogs.Īcoustic signaling is critically important for both survival and reproductive success in vocalizing animals. Moreover, the MMN amplitudes evoked from the left forebrain and midbrain were typically larger than those from the right counterpart. The results showed that the MMN amplitude for the first call note was significantly larger than for that of the others. A standard stimulus (white noise) and five deviant stimuli (five notes from one advertisement call) were played back to each subject while simultaneously recording multi-channel EEG signals. Music frog calls generally contain four to six notes separated approximately by 150 millisecond intervals. The present study examined the biological significance of notes of the male advertisement calls of the Emei music frog ( Babina daunchina) using the optimized electroencephalogram (EEG) paradigm of mismatch negativity (MMN). Although amphibian communication sounds are often complex consisting of many temporal features, we know little about the biological significance of each temporal component. Vocal Communication plays a crucial role in survival and reproductive success in most amphibian species.
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