H
Heath G. Jones
Researcher at United States Department of the Army
Publications - 14
Citations - 185
Heath G. Jones is an academic researcher from United States Department of the Army. The author has contributed to research in topics: Interaural time difference & Sound localization. The author has an hindex of 7, co-authored 14 publications receiving 152 citations. Previous affiliations of Heath G. Jones include University of Colorado Boulder & University of Colorado Denver.
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Journal ArticleDOI
Biophysics of directional hearing in the American alligator (Alligator mississippiensis)
Hilary S. Bierman,Jennifer L. Thornton,Heath G. Jones,Kanthaiah Koka,Bruce A. Young,Christian Brandt,Jakob Christensen-Dalsgaard,Catherine E. Carr,Daniel J. Tollin +8 more
TL;DR: The experiments reported here support a role for a PDR mechanism in alligator sound localization and suggest this mechanism is a shared archosaur trait, most likely found also in the extinct dinosaurs.
Journal ArticleDOI
Sound pressure transformations by the head and pinnae of the adult Chinchilla (Chinchilla lanigera).
TL;DR: The directional transfer functions (DTFs), the directional components of the head-related transfer functions, for 9 adult chinchillas were measured and the resulting localization cues were computed from the DTFs.
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Sound frequency-invariant neural coding of a frequency-dependent cue to sound source location.
TL;DR: It is demonstrated that auditory midbrain neurons in the chinchilla (Chinchilla lanigera) also encode ILDs in a frequency-invariant manner, efficiently representing the full range of acoustical I LDs experienced as a joint function of sound source frequency, azimuth, and distance.
Journal ArticleDOI
Concurrent Development of the Head and Pinnae and the Acoustical Cues to Sound Location in a Precocious Species, the Chinchilla (Chinchilla lanigera)
TL;DR: The magnitudes of binaural sound location cues—the interaural time (ITD) and level (ILD) differences—are hypothesized to systematically increase while the lower frequency limit of substantial ILD production is expected to decrease due to the increase in head and pinna size during development.
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Spatial variation in signal and sensory precision both constrain auditory acuity at high frequencies.
TL;DR: This work demonstrates decreasing ILD acuity with increasing ILD magnitude, and demonstrates that the multiplicative combination of spatially variant sensory precision and physical cue information (local slope of the ILD cue) provides improved prediction of classic high‐frequency spatial acuity data.