PMID: 8592302Feb 1, 1996Paper

The separate and combined effects of harmonic structure, phase, and FM on female preferences in the barking treefrog (Hyla gratiosa)

Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology
D A Bodnar

Abstract

In natural advertisement calls of the barking treefrog, Hyla gratiosa, a small amount of incoherent frequency modulation (FM) is present. Incoherency in the FM of a call creates inharmonicity and phase changes between its frequency components. In this study, the combined and separate effects of the harmonic structure, phase spectrum, and FM of an advertisement call on female choice were tested. The harmonic structure of a call can have a direct effect on female preference; females showed a significant preference for static-inharmonic calls over the static-harmonic calls. Neither differences in phase or FM alone conferred a preference in two choice tests. However, when FM is present in both calls it does influence female preference for harmonic structure--namely harmonic calls become preferable to inharmonic calls. This reversal of female preference for inharmonicity in a call by the presence of FM suggests that call parameters may interact, and thereby effect mate choice.

Citations

Dec 19, 1998·The Journal of the Acoustical Society of America·J R McKibben, A H Bass
Jan 16, 2014·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Mark A Bee
Jan 24, 2012·Current Opinion in Neurobiology·Mark A Bee
Jul 6, 2014·Proceedings. Biological Sciences·Karin L AkreMichael J Ryan

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