ArticleJournal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology2019
Auditory brainstem responses in the red-eared slider Trachemys scripta elegans (Testudoformes: Emydidae) reveal sexually dimorphic hearing sensitivity.
Article in Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 16 citations in OpenAlex.
- Transcriptomic and metabolomic basis of seasonal auditory sensitivity variations in the red-eared slider (Trachemys scripta elegans).BMC genomics · 2025Article
- Peripheral hearing sensitivity is similar between the sexes in a benthic turtle species despite the larger body size of males.Ecology and evolution · 2024Article
- Comparative analysis of the liver transcriptome in the red-eared slider (Trachemys scripta elegans) post exposure to noise.PloS one · 2024Article
- Diversity of Underwater Vocalizations in Chinese Soft-Shelled Turtle (Animals : an open access journal from MDPI · 2023Article
- Article
- Transcriptome Analyses Provide Insights into the Auditory Function inAnimals : an open access journal from MDPI · 2022Article
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6 authors at 3 institutions in 1 country.
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Abstract
Hearing sensitivity is of general interest from the perspective of understanding the functionality and evolution of vertebrate auditory systems. Sexual dimorphism of auditory systems has been reported in several species of vertebrates, but little is known about this phenomenon in turtles. Some morphological characteristics, such as middle ear and tympanic membrane that influence the hearing sensitivity of animals can result in hearing sexual dimorphism. To examine whether sexual dimorphism in hearing sensitivity occurs in turtles and to compare hearing characteristics with respect to the shape of the tympanic membrane, we measured the hearing sensitivity and tympanum diameter in both sexes of Trachemys scripta elegans. The results showed that, with the exception of 0.9 kHz, auditory brainstem response thresholds were significantly lower in females than in males for frequencies in the 0.2-1.1 kHz range, indicating that the hearing of females shows greater sensitivity. No significant differences were detected in the tympanum diameter of both sexes. These results showed that sexually dimorphic hearing sensitivity has evolved in turtles; however, this difference does not appear to be related to differences in the size of the tympanic membrane. The possible origin and function of the sexual differences in auditory characteristic are discussed.
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