Frequency specific susceptibility to acoustic trauma in the budgerigar (M
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Hashino, Eri; Sokabe, Masahiro; Miyamoto, Kensaku

doi:10.1121/1.396325

Cited by 28 publications

(14 citation statements)

References 12 publications

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“…In adult budgerigars loud impulse sound (two gun shots) caused behavioral threshold elevation that recovered rapidly in the first 10 days after trauma. Permanent threshold shift remained at low frequencies [Hashino et al, 1988]. This result is counter, however, to other sound trauma experiments which show losses predominantly at high frequencies.…”

Section: Behavioral Observationscontrasting

confidence: 55%

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Functional Recovery in the Avian Ear after Hair Cell Regeneration

Smolders

1999

Audiol Neurotol

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Trauma to the inner ear in birds, due to acoustic overstimulation or ototoxic aminoglycosides, can lead to hair cell loss which is followed by regeneration of new hair cells. These processes are paralleled by hearing loss followed by significant functional recovery. After acoustic trauma, functional recovery is rapid and nearly complete. The early and major part of functional recovery after sound trauma occurs before regenerated hair cells become functional. Even very intense sound trauma causes loss of only a proportion of the hair cell popu- lation, mainly so-called short hair cells residing on the abneural mobile part of the avian basilar membrane. Uncoupling of the tectorial membrane from the hair cells during sound overexposure may serve as a protection mechanism. The rapid functional recovery after sound trauma appears not to be associated with regeneration of the lost hair cells, but with repair processes involving the surviving hair cells. Small residual functional deficits after recovery are most likely associated with the missing upper fibrous layer of the tectorial membrane which fails to regenerate after sound trauma. After aminoglycoside trauma, functional recovery is slower and parallels the structural regeneration more closely. Aminoglycosides cause damage to both types of hair cells, starting at the basal (high frequency) part of the basilar papilla. However, functional hearing loss and recovery also occur at lower frequencies, associated with areas of the papilla where hair cells survive. Functional recovery in these low frequency areas is complete, whereas functional recovery in high frequency areas with complete hair cell loss is incomplete, despite regeneration of the hair cells. Permanent residual functional deficits remain. This indicates that in low frequency regions functional recovery after aminoglycosides involves repair of nonlethal injury to hair cells and/or hair cell-neural synapses. In the high frequency regions functional recovery involves regenerated hair cells. The permanent functional deficits after the regeneration process in these areas are most likely associated with functional deficits in the regenerated hair cells or shortcomings in the synaptic reconnections of nerve fibers with the regenerated hair cells. In conclusion, the avian inner ear appears to be much more resistant to trauma than the mammalian ear and possesses a considerable capacity for functional recovery based on repair processes along with its capacity to regenerate hair cells. The functional recovery in areas with regenerated hair cells is considerable but incomplete.

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Section: Behavioral Observationscontrasting

confidence: 55%

“…The behavioral experiments indicate that rapid complete functional recovery occurs after moderate sound trauma [Niemiec et al, 1994;, whereas delayed, slower recovery and permanent functional deficits occur after severe trauma [Hashino et al, 1988;Ryals and Dooling, 1996].…”

Section: Behavioral Observationsmentioning

confidence: 99%

Functional Recovery in the Avian Ear after Hair Cell Regeneration

Smolders

1999

Audiol Neurotol

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“…Two earlier behavioral studies of threshold shifts in budgerigars exposed to impulse noise (Hashino et al 1988) and kanamycin poisoning (Hashino and Sokabe 1989) show an extensive threshold shift and limited recovery, but the effects are primarily in the low-frequency hearing range of the birds. This low-frequency hearing loss is inconsistent with the location of hair cell damage and regeneration in the budgerigar (Hashino et al 1992).…”

Section: Functional Recoverymentioning

confidence: 99%

Hair cell regeneration in the bird cochlea following noise damage or ototoxic drug damage

et al. 1994

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Hair cells are sensory cells that transduce motion into neural signals. In the cochlea, they are used to detect sound waves in the environment and turn them into auditory signals that can be processed in the brain. Hair cells in the cochlea of birds and mammals were thought to be produced only during embryogenesis and, once made, they were expected to last throughout the lifetime of the animal. Thus, any loss of hair cells due to trauma or disease was thought to lead to permanent impairment of auditory function. Recently, however, studies from a number of laboratories have shown that hair cells in the avian cochlea can be regenerated after acoustic trauma or ototoxic drug damage. This regeneration is accompanied by a repair of the sensory organ and associated tissues and results in a recovery of auditory function. In this review, we examine and compare the structural events that lead to hair cell loss after noise damage and ototoxic drug damage as well as the processes involved in the recovery of the epithelium and the regeneration of the hair cells. Moreover, we examine functional recovery and how it relates to the structural recovery. Finally, we investigate the evidence for the hypothesis that supporting cells in the basilar papilla act as the progenitor cells for the regenerated hair cells and examine the cellular events required to stimulate the progenitor cells to leave the quiescent state, re-enter the cell cycle, and divide.

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“…Appendix A: Bibliography of Hearing in Birds ORDER COMMON NAME GENUS and SPECIES AUDIOGRAM REFERENCES Anseriformes (1) Mallard Duck Anas platyrhynchos Trainer, 1946 Apodiformes (1) Australian Grey Swiftlet Collocalia spodiopygia Coles, Konishi, & Pettigrew, 1987 Caprimulgiformes Oilbird Steatornis caripensis Konishi & Knudsen, 1979 Casuariiformes (1) Emu Dromaius novaehollandiae Manley, Koeppl, & Yates, 1997 Charadriiformes (1) Plains Wanderer Pedionomus torquatus Pettigrew & Larsen, 1990 Columbiformes 1Pigeon Columbia livia Trainer, 1946;Heise, 1953;Stebbins, 1970;Harrison & Furumoto, 1971;Hienz, Sinnott, & Sachs, 1977;Goerdel-Leich and Schwartzkopff, 1984 Falconiformes (2) American Kestrel Falco sparverius Trainer, 1946 European Sparrowhawk Accipiter nisus Trainer, 1946;Klump, Kretzschmar, & Curio, 1986 Galliformes (4) Bobwhite Quail Colinus virgianus Barton, Bailey, & Gatehouse, 1984 Chicken Gallus gallus Saunders & Salvi, 1993 Japanese Quail Coturnix coturnix japonica Linzenbold, Dooling, & Ryals, 1993;Niemiec, Raphael, & Moody, 1994 Turkey Meleagris gallopavo Maiorana & Schleidt, 1972 Passeriformes (20) Saunders & Dooling, 1974;Dooling & Saunders, 1975;Saunders, Rintelman, & Bock, 1979;Saunders & Pallone, 1980;Okanoya & Dooling, 1987;Hashino, Sokabe, & Miyamoto, 1988;Hashino & Sokabe, 1989 Cockatiel Nymphicus hollandicus Okanoya & Dooling, 1987 Strigiformes (13) African Wood Owl Strix woodfordii Nieboer & Van der Paardt, 1977 Barn Owl Tyto alba…”

mentioning

confidence: 99%

Avian Hearing and the Avoidance of Wind Turbines

Dooling¹

2002

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This report provides a complete summary of what is known about basic hearing capabilities in birds in relation to the characteristics of noise generated by wind turbines. It is a review of existing data on bird hearing with some preliminary estimates of environmental noise and wind turbine noise at Altamont Pass, California, in the summer of 1999. It is intended as a resource in future discussions of the role that hearing might play in bird avoidance of turbines. The main body of this report describes hearing measurement in birds, the effects of noise on hearing, and the relationship between avian hearing and the general noise levels around wind turbines. The main body is followed by four appendices. Appendix A is a table organized by species which provides a comprehensive bibliography of the literature on hearing in the quiet (audiograms) in birds, followed by Appendix B which provides plots of the audiograms from 49 species of birds that have been tested to date. Similarly, a bibliography of the literature on how birds hear in noise is given in a table in Appendix C, with corresponding plots of masked auditory thresholds in Appendix D.

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Frequency specific susceptibility to acoustic trauma in the budgerigar (M e l o p s i t t a c u s u n d u

Cited by 28 publications

References 12 publications

Functional Recovery in the Avian Ear after Hair Cell Regeneration

Functional Recovery in the Avian Ear after Hair Cell Regeneration

Hair cell regeneration in the bird cochlea following noise damage or ototoxic drug damage

Avian Hearing and the Avoidance of Wind Turbines

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