Anatomical and functional recovery of the goldfish (<i>Carassius auratus</i>) ear following noise exposure

Smith, Michael E.; Coffin, Allison B.; Miller, Diane; Popper, Arthur N.

doi:10.1242/jeb.02490

Cited by 134 publications

(131 citation statements)

References 77 publications

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“…44a). In a subsequent study Smith et al (2006) exposed goldfish to white noise of 170 dB for 48 h and found a small 4 dB TTS after 7 days of recovery (Fig. 44b).…”

Section: Exposure To White Noisementioning

confidence: 81%

Auditory evoked potential audiometry in fish.

Ladich

2011

The Journal of the Acoustical Society of America

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A recent survey lists more than 100 papers utilizing the auditory evoked potential (AEP) recording technique for studying hearing in fishes. More than 95 % of these AEP-studies were published after Kenyon et al. introduced a non-invasive electrophysiological approach in 1998 allowing rapid evaluation of hearing and repeated testing of animals. First, our review compares AEP hearing thresholds to behaviorally gained thresholds. Second, baseline hearing abilities are described and compared in 111 fish species out of 51 families. Following this, studies investigating the functional significance of various accessory hearing structures (Weberian ossicles, swim bladder, otic bladders) by eliminating these morphological structures in various ways are dealt with. Furthermore, studies on the ontogenetic development of hearing are summarized. The AEP-technique was frequently used to study the effects of high sound/ noise levels on hearing in particular by measuring the temporary threshold shifts after exposure to various noise types (white noise, pure tones and anthropogenic noises). In addition, the hearing thresholds were determined in the presence of noise (white, ambient, ship noise) in several studies, a phenomenon termed masking. Various ecological (e.g., temperature, cave dwelling), genetic (e.g., albinism), methodical (e.g., ototoxic drugs, threshold criteria, speaker choice) and behavioral (e.g., dominance, reproductive status) factors potentially influencing hearing were investigated. Finally, the technique was successfully utilized to study acoustic communication by comparing hearing curves with sound spectra either under quiet conditions or in the presence of noise, by analyzing the temporal resolution ability of the auditory system and the detection of temporal, spectral and amplitude characteristics of conspecific vocalizations.

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“…44a). In a subsequent study Smith et al (2006) exposed goldfish to white noise of 170 dB for 48 h and found a small 4 dB TTS after 7 days of recovery (Fig. 44b).…”

Section: Exposure To White Noisementioning

confidence: 81%

Auditory evoked potential audiometry in fish.

Ladich

2011

The Journal of the Acoustical Society of America

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“…In contrast to mammals, many fish species have the ability to regenerate their inner ear and lateral line hair cells after damage (Kaus, 1987;Lombarte et al, 1993;Song et al, 1995;Scholik and Yan, 2001;Faucher et al, 2006;Smith et al, 2006). Given their capacity for regeneration, fish inner ear hair cells are nowadays a suitable model for investigations on hair cell regeneration and hearing function in animals.…”

Section: Introductionmentioning

confidence: 99%

Effects of systemic versus local gentamicin on the inner ear in the Atlantic cod, Gadus morhua (L.), relevance for fish hearing investigations

et al. 2008

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a b s t r a c tFish models are increasingly being used for hearing research investigations. Aminoglycoside antibiotics that are used for damaging the inner ear hair cells can have systemic side effects leading to death of study animals. This study aimed to compare two methods: (i) systemic (intravenous) and (ii) local (intrasaccular) gentamicin administration for induction of inner ear hair cell damage in the Atlantic cod, Gadus morhua (L.). Hair cell damage was assessed using scanning electron microscopy; hair cell density, prevalence of immature hair cells and kinocilia length were measured. Gentamicin-treated fish were compared with control and sham fish. Intravenous gentamicin led to dose-dependent mortality caused by nephrotoxicity. The only visible effect after treatment was more immature hair cells and shorter kinocilia, the effect on hair cell density was equivocal. Following intrasaccular gentamicin treatment, fish mortality was negligible, and hair cells were damaged regardless of dose. Here, we observed decreased hair cell density, high prevalence of immature hair cells, and significantly shortened kinocilia. Conclusion: intrasaccular injection is preferable to intravenous injection of gentamicin for the study of ototoxicity in the Atlantic cod.

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“…These temporary threshold shifts were first documented in goldfish (Popper & Clarke 1976), and have been confirmed more recently in several other species of fish (Scholik & Yan 2001, Amoser & Ladich 2003, Smith et al 2004, 2006. This recovery in hearing is most likely due to the proliferation of new hair cells (Popper & Hoxter 1984, Lombarte & Popper 1994 or the regeneration of damaged ones (Lombarte et al 1993, Smith et al 2006, Schuck & Smith 2009), al though there may be other mechanisms involved for temporary shifts in hearing. As we do not know whether snapper hearing would recover post-noise exposure, recovery experiments are needed to elucidate this.…”

Section: Discussionmentioning

confidence: 64%

Chronic low-intensity noise exposure affects the hearing thresholds of juvenile snapper

Caiger¹,

Montgomery²,

Radford³

2012

Mar. Ecol. Prog. Ser.

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A growing body of evidence suggests that larval fish use sound as an orientation cue to remotely locate suitable settlement habitats. Several theoretical models have used hearing thresholds to estimate the distance at which fish larvae can detect reefs. However, researchers have often measured hearing thresholds from fish raised in aquaculture environments, or held them in closed-system tanks once caught, where equipment can significantly increase the noise levels in the tanks. The possibility arises that exposure to such noise negatively affects the hearing ability of the fish held there, such that distances predicted from these studies may be underestimated. The objective of this study was to compare the hearing ability of wild versus aquacultured snapper Pagrus auratus using auditory evoked potentials. Juvenile snapper from aquaculture tanks had significantly higher hearing thresholds at 100, 200 and 400 Hz than wild snapper. A controlled noise-exposure experiment, where snapper were ex posed for 2 wk to low-intensity noise at 120 dB re 1 µPa, confirmed these results. When plotted using an extended reef-based model, the distance at which aquaculture-raised snapper are predicted to detect a particular reef was half of that found for their wild counterparts. Clearly, the acoustic history of experimental subjects is an important consideration when using hearing thresholds to make ecological estimations, such as the distance at which larvae could detect reefs.

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Anatomical and functional recovery of the goldfish (Carassius auratus) ear following noise exposure

Cited by 134 publications

References 77 publications

Auditory evoked potential audiometry in fish.

Auditory evoked potential audiometry in fish.

Effects of systemic versus local gentamicin on the inner ear in the Atlantic cod, Gadus morhua (L.), relevance for fish hearing investigations

Chronic low-intensity noise exposure affects the hearing thresholds of juvenile snapper

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