Title |
Temporal vocal features suggest different call-pattern generating mechanisms in mice and bats
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Published in |
BMC Neuroscience, September 2013
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DOI | 10.1186/1471-2202-14-99 |
Pubmed ID | |
Authors |
Steffen R Hage, Natalja Gavrilov, Ferdinand Salomon, Anna M Stein |
Abstract |
Mice produce ultrasonic vocalizations in various inter-individual encounters and with high call rates. However, it is so far virtually unknown how these vocal patterns are generated. On the one hand, these vocal patterns could be embedded into the normal respiratory cycle, as happens in bats and other mammals that produce similar call rates and frequencies. On the other, mice could possess distinct vocal pattern generating systems that are capable of modulating the respiratory cycle, which is what happens in non-human and human primates. In the present study, we investigated the temporal call patterns of two different mammalian species, bats and mice, in order to differentiate between these two possibilities for mouse vocalizations. Our primary focus was on comparing the mechanisms for the production of rapid, successive ultrasound calls of comparable frequency ranges in the two species. |
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