Likely age-related hearing loss (presbycusis) in a stranded Indo-Pacific humpback dolphin (Sousa chinensis)
Li, S.; Wang, D.; Wang, K.; Hoffmann-Kuhnt, M.; Fernando, N.; Taylor, E.A.; Lin, W.; Chen, J.; Ng, T. (2016). Likely age-related hearing loss (presbycusis) in a stranded Indo-Pacific humpback dolphin (Sousa chinensis), in: Popper, A.N. et al. The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875: pp. 623-629. http://dx.doi.org/10.1007/978-1-4939-2981-8_75
In: Popper, A.N.; Hawkins, A. (Ed.) (2016). The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875. Springer Science+Business Media, Inc: New York. ISBN 978-1-4939-2980-1. xxx, 1292 pp., more
In: Advances in Experimental Medicine and Biology. Springer: Berlin. ISSN 0065-2598; e-ISSN 2214-8019, more
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| Keywords |
Aquatic organisms > Marine organisms > Aquatic mammals > Marine mammals
Noise
Odontocete Flower, 1865 [WoRMS]; Sousa chinensis (Osbeck, 1765) [WoRMS]
Marine/Coastal |
| Author keywords |
Chinese white dolphin; Auditory evoked potential |
| Authors | | Top |
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- Hoffmann-Kuhnt, M.
- Fernando, N.
- Taylor, E.A.
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| Abstract |
The hearing of a stranded Indo-Pacific humpback dolphin (Sousa chinensis) in Zhuhai, China, was measured. The age of this animal was estimated to be ~40 years. The animal’s hearing was measured using a noninvasive auditory evoked potential (AEP) method. The results showed that the high-frequency hearing cutoff frequency of the studied dolphin was ~30–40 kHz lower than that of a conspecific younger individual ~13 year old. The lower high-frequency hearing range in the older dolphin was explained as a likely result of age-related hearing loss (presbycusis). |
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