Temporary threshold shift in bottlenose dolphins (Tursiops truncatus) exposed to mid-frequency tones.

Temporary shift in masked hearing thresholds of bottlenose dolphins, Tursiops truncatus, and white whales, Delphinapterus leucas, after exposure to intense tones.

A behavioral response paradigm was used to measure masked underwater hearing thresholds in five bottlenose dolphins and two white whales before and immediately after exposure to intense 1-s tones at 0.4, 3, 10, 20, and 75 kHz. The resulting levels of fatiguing stimuli necessary to induce 6 dB or larger masked temporary threshold shifts (MTTSs) were generally between 192 and 201 dB re: 1 microPa...

Sex-Specific Patterns in Abundance, Temporary Emigration and Survival of Indo-Pacific Bottlenose Dolphins (Tursiops aduncus) in Coastal and Estuarine Waters

Citation: Sprogis KR, Pollock KH, Raudino HC, Allen SJ, Kopps AM, Manlik O, Tyne JA and Bejder L (2016) Sex-Specific Patterns in Abundance, Temporary Emigration and Survival of Indo-Pacific Bottlenose Dolphins (Tursiops aduncus) in Coastal and Estuarine Waters. Front. Mar. Sci. 3:12. doi: 10.3389/fmars.2016.00012 Sex-Specific Patterns in Abundance, Temporary Emigration and Survival of Indo-Paci...

A biomimetic projector with high subwavelength directivity based on dolphin biosonar

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Auditory Weighting Functions and Frequency-Dependent Effects of Sound in Bottlenose Dolphins (Tursiops Truncatus)

TTS is defined as the difference between hearing thresholds measured before and after an intense (fatiguing) sound exposure. Hearing thresholds are estimated using either a behavioral response paradigm, where the subject is trained to perform a specific action when it hears a test tone, or an electrophysiological method, where auditory evoked potentials (AEPs) are measured in response to test t...