Results 11 to 20 of about 1,758 (185)
Gentoo penguins (Pygoscelis papua) react to underwater sounds [PDF]
Royal Society Open Science, 2020 Marine mammals and diving birds face several physiological challenges under water, affecting their thermoregulation and locomotion as well as their sensory systems. Therefore, marine mammals have modified ears for improved underwater hearing.
K. Sørensen +4 more
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Is human underwater hearing mediated by bone conduction? [PDF]
Hearing Research, 2022 In-air and underwater audiograms and directional hearing abilities were measured in humans. The lowest underwater thresholds were 2.8 µW/m2 or 3.6 mPa at a frequency of 500 Hz. The underwater hearing thresholds were 4-26 dB and 40-62 dB higher than in-air hearing thresholds when measured in intensity and pressure units, respectively. This difference is
K. Sørensen +2 more
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Aquatic birds have middle ears adapted to amphibious lifestyles
Scientific Reports, 2022 Birds exhibit wide variation in their use of aquatic environments, on a spectrum from entirely terrestrial, through amphibious, to highly aquatic. Although there are limited empirical data on hearing sensitivity of birds underwater, mounting evidence ...
Jeffrey N. Zeyl +11 more
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Hearing in the Juvenile Green Sea Turtle (Chelonia mydas): A Comparison of Underwater and Aerial Hearing Using Auditory Evoked Potentials. [PDF]
PLoS ONE, 2016 Sea turtles spend much of their life in aquatic environments, but critical portions of their life cycle, such as nesting and hatching, occur in terrestrial environments, suggesting that it may be important for them to detect sounds in both air and water.
Wendy E D Piniak +4 more
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Frontiers in Neurology, 2022 Labyrinthine fistula (LF) is one of the most important complications of cholesteatoma and is defined as an abnormal communication between the inner and the middle ear. This study aims to describe our experience with the partial labyrinthectomy evaluating
Annalisa Pace +11 more
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Underwater Hearing Thresholds [PDF]
The Journal of the Acoustical Society of America, 1967 The audibility threshold performance of the human ear submerged in water at eardepths of 12 and 35 ft is compared to its performance in air. Threshold SPLs at 125, 250, 500, 1000, 2000, 4000, and 8000 Hz from five male and three female divers wearing open-circuit SCUBA equipment were obtained by the Békésy technique.
John F. Brandt +2 more
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Animals, 2022 Underwater noise pollution caused by human activities may affect freshwater cetaceans to different degrees. To analyze the impacts of water intake pontoons on Yangtze finless porpoises (Neophocaena asiaeorientalis), this study collected underwater noise ...
Wenfei Lu +4 more
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Noise-induced masking of hearing in a labyrinth fish: effects on sound detection in croaking gouramis [PDF]
PeerJ, 2022 An increasing level of anthropogenic underwater noise (shipping, drilling, sonar use, etc.) impairs acoustic orientation and communication in fish by hindering signal transmission or detection.
Isabelle Pia Maiditsch, Friedrich Ladich
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HEARING LOSS IN IRAQI DIVERS [PDF]
The Medical Journal of Basrah University, 2006 Background: Ear problems, particularly hearing loss, in divers are well known and documented all over the world. Studies showed that they form the most common health problems among divers.
Alaa H. Abid +2 more
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Middle ear cavity morphology is consistent with an aquatic origin for testudines. [PDF]
PLoS ONE, 2013 The position of testudines in vertebrate phylogeny is being re-evaluated. At present, testudine morphological and molecular data conflict when reconstructing phylogenetic relationships.
Katie L Willis +3 more
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