ArticleJournal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology2014
Spatial hearing in Cope's gray treefrog: II. Frequency-dependent directionality in the amplitude and phase of tympanum vibrations.
Article in Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 16 citations in OpenAlex.
- Article
- Complex choice environments shelter unattractive signallers from sexual selection.Proceedings. Biological sciences · 2025Article
- How spatial release from masking may fail to function in a highly directional auditory system.eLife · 2017Article
- Sound source localization and segregation with internally coupled ears: the treefrog model.Biological cybernetics · 2016Review
- Inherent Directionality Determines Spatial Release from Masking at the Tympanum in a Vertebrate with Internally Coupled Ears.Journal of the Association for Research in Otolaryngology : JARO · 2016Article
- Treefrogs as animal models for research on auditory scene analysis and the cocktail party problem.International journal of psychophysiology : official journal of the International Organization of Psychophysiology · 2015Article
- Spatial hearing in Cope's gray treefrog: I. Open and closed loop experiments on sound localization in the presence and absence of noise.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2014Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
Anuran ears function as pressure difference receivers, and the amplitude and phase of tympanum vibrations are inherently directional, varying with sound incident angle. We quantified the nature of this directionality for Cope's gray treefrog, Hyla chrysoscelis. We presented subjects with pure tones, advertisement calls, and frequency-modulated sweeps to examine the influence of frequency, signal level, lung inflation, and sex on ear directionality. Interaural differences in the amplitude of tympanum vibrations were 1-4 dB greater than sound pressure differences adjacent to the two tympana, while interaural differences in the phase of tympanum vibration were similar to or smaller than those in sound phase. Directionality in the amplitude and phase of tympanum vibration were highly dependent on sound frequency, and directionality in amplitude varied slightly with signal level. Directionality in the amplitude and phase of tone- and call-evoked responses did not differ between sexes. Lung inflation strongly affected tympanum directionality over a narrow frequency range that, in females, included call frequencies. This study provides a foundation for further work on the biomechanics and neural mechanisms of spatial hearing in H. chrysoscelis, and lends valuable perspective to behavioral studies on the use of spatial information by this species and other frogs.
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