Specialization for underwater hearing by the tympanic middle ear of the turtle, Trachemys scripta elegans
J Christensen-Dalsgaard, C Brandt… - … of the Royal …, 2012 - royalsocietypublishing.org
Turtles, like other amphibious animals, face a trade-off between terrestrial and aquatic
hearing. We used laser vibrometry and auditory brainstem responses to measure their
sensitivity to vibration stimuli and to airborne versus underwater sound. Turtles are most
sensitive to sound underwater, and their sensitivity depends on the large middle ear, which
has a compliant tympanic disc attached to the columella. Behind the disc, the middle ear is a
large air-filled cavity with a volume of approximately 0.5 ml and a resonance frequency of …
hearing. We used laser vibrometry and auditory brainstem responses to measure their
sensitivity to vibration stimuli and to airborne versus underwater sound. Turtles are most
sensitive to sound underwater, and their sensitivity depends on the large middle ear, which
has a compliant tympanic disc attached to the columella. Behind the disc, the middle ear is a
large air-filled cavity with a volume of approximately 0.5 ml and a resonance frequency of …
[PDF][PDF] Specialization for underwater hearing by the tympanic middle
Turtles, like other amphibious animals, face a trade-off between terrestrial and aquatic
hearing. We used laser vibrometry and auditory brainstem responses to measure their
sensitivity to vibration stimuli and to airborne versus underwater sound. Turtles are most
sensitive to sound underwater, and their sensitivity depends on the large middle ear, which
has a compliant tympanic disc attached to the columella. Behind the disc, the middle ear is a
large air-filled cavity with a volume of approximately 0.5 ml and a resonance frequency of …
hearing. We used laser vibrometry and auditory brainstem responses to measure their
sensitivity to vibration stimuli and to airborne versus underwater sound. Turtles are most
sensitive to sound underwater, and their sensitivity depends on the large middle ear, which
has a compliant tympanic disc attached to the columella. Behind the disc, the middle ear is a
large air-filled cavity with a volume of approximately 0.5 ml and a resonance frequency of …
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