Spatial hearing in Cope’s gray treefrog: II. Frequency-dependent directionality in the amplitude and phase of tympanum vibrations

@article{Caldwell2014SpatialHI,
  title={Spatial hearing in Cope’s gray treefrog: II. Frequency-dependent directionality in the amplitude and phase of tympanum vibrations},
  author={Michael S. Caldwell and Norman Lee and Katrina M Schrode and Anastasia R. Johns and Jakob Christensen-Dalsgaard and Mark A. Bee},
  journal={Journal of Comparative Physiology A},
  year={2014},
  volume={200},
  pages={285-304}
}
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… CONTINUE READING
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