Comparative anatomy of the cochlea and auditory nerve in mammals
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Hidden hearing loss: Fifteen years at a glance
2024, Hearing ResearchComparison of response properties of the electrically stimulated auditory nerve reported in human listeners and in animal models
2022, Hearing ResearchCitation Excerpt :For example, for Type I spiral ganglion neurons (SGNs) the area of the SGN body, the diameters of the peripheral and central axons, the number of internodal compartments preceding the SGN body, and the internodal length vary substantially across mammalian species (Liberman and Oliver, 1984; Nadol, 1988; Felix et al., 1992; Rattay et al., 2001a; Rattay et al., 2013; Kroon et al., 2017; Ramekers et al., 2020), which affects the conduction velocities of action potentials. More importantly, in contrast to other mammalian species, cell bodies of all standard Type II and the majority of Type I SGNs, as well as their pre- and post-somatic segments, are not tightly myelinated in humans (Ota and Kimura, 1980; Nadol, 1988; Liu et al., 2012; Rattay et al., 2013), which could result in remarkable differences in spike generation and spike conduction between humans and other mammalian species (Rattay et al., 2001a; Rattay et al., 2013). Second, the volume of the cochlea is larger in humans than many nonhuman animals (e.g., Kirk and Gosselin-Ildari, 2009; Trinh et al., 2021) which affects compound AN response amplitudes and excitation patterns due to resulting differences in the electrode-neuron distance and the spread of electrical current within the cochlea (Kopsch et al., 2022).
The role of aquaporins in hearing function and dysfunction
2022, European Journal of Cell BiologyCitation Excerpt :The human cochlea is a central component of the bony labyrinth located within the petrous portion of the temporal bone. It represents the peripheral organ of hearing that converts sound energy into electrical signals (Nadol, 1988). In mammals, the cochlea is a coiled tube filled with fluid.
Signatures of cochlear processing in neuronal coding of auditory information
2022, Molecular and Cellular NeuroscienceAdvances in genome editing for genetic hearing loss
2021, Advanced Drug Delivery ReviewsCitation Excerpt :This rigid structure divides cochlea into two interior canals and vibrates sensitively in response to sound. The basilar membrane length negatively correlates to the audible frequency range [150,151]. Consequently, the shorter length of the basilar membrane of mice (~7 mm) relative to that of humans (~35 mm) results in a higher range of audible frequencies of mice (1–100 kHz) than that of humans (0.02–20 kHz) [152,153].