Report of the Eriksholm Workshop on Auditory Deprivation and Acclimatization

Arlinger, Stig; Gatehouse, Stuart; Bentler, Ruth A.; Byrne, Denis; Cox, Robyn M.; Dirks, Donald D.; Humes, Larry E.; Neuman, Arlene C.; Ponton, Curtis W.; Robinson, K.; Silman, Shlomo; Summerfield, A. Quentin; Turner, Christopher W.; Tyler, Richard S.; Willott, James F.

doi:10.1097/00003446-199617031-00009

Cited by 103 publications

(84 citation statements)

References 96 publications

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“…This finding was referred to as "lateonset auditory deprivation" and was further substantiated by other studies [44][45][46], as well as by studies in children [47][48]. Evidence that effects of auditory deprivation are associated with amplification fit to only one ear were supported by the 1995 Eriksholm Workshop on Auditory Deprivation and Acclimatization [49]. Asymmetry in the stimulation of the auditory pathways is thought to contribute to late-onset auditory deprivation.…”

Section: Asymmetrical Hearing Created By Monaural Amplificationmentioning

confidence: 69%

Restoring hearing symmetry with two cochlear implants or one cochlear implant and a contralateral hearing aid

Firszt

Reeder²,

Skinner³

2008

JRRD

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Abstract-With today's technology and the demonstrated success of cochlear implantation, along with expanded candidacy criteria, the opportunity to provide optimal hearing to both ears for individuals with severe-to-profound hearing loss is greater than ever. This article reviews the advantages of binaural hearing and the disadvantages of hearing with only one ear or hearing with two ears with significantly different sound thresholds. A case study is presented that demonstrates the benefit of bimodal hearing (i.e., a cochlear implant [CI] in one ear and a contralateral hearing aid [HA]) in a nontraditional CI candidate with asymmetrical hearing thresholds. Then, selected studies in adult recipients who use a CI and contralateral HA or who use two CIs are summarized. The data overall demonstrate that bilateral CI recipients, traditional bimodal recipients, and nontraditional bimodal recipients experience substantial binaural hearing advantages, including improved speech recognition in noise, localization, and functional everyday communication. These results indicate that bilateral stimulation of the auditory system through a CI and contralateral HA or two CIs is beneficial and should become standard clinical practice.

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Section: Asymmetrical Hearing Created By Monaural Amplificationmentioning

confidence: 69%

Restoring hearing symmetry with two cochlear implants or one cochlear implant and a contralateral hearing aid

Firszt

Reeder²,

Skinner³

2008

JRRD

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“…Before beginning application of the SSW Persons with bilateral sensorineural hearing loss who do not use hearing aids suffer from the phenomenon called "late-onset auditory privation". This manifests as a statistically significant reduction in the rates of speech recognition, associated with reduced availability of acoustic information, since this is not observed in individuals who use bilateral auditory prostheses 3 .…”

Section: Methodsmentioning

confidence: 99%

“…Aplicação do teste SSW em indivíduos com perda auditiva neurossensorial usuários e não usuários de aparelho de amplificação sonora individual Mariana Silva Freitas (1) , Kheline Naves (2) , Ana Claudia Figueiredo Frizzo (3) , Alina Sanches Gonçales (4) (…”

Section: Assessing Individuals With Bilateral Hearing Loss Users Andunclassified

“…Starting with the presupposition that the chief complaint reported by the elderly (hearing, but not understanding) is not only due to peripheral hearing loss, but also to loss of capacity to perform sound processing. In addition, it is considered that there is improvement in speech over the course of time, as the individual learns to use the new speech pathways available with the use of amplification 3 . This study proposed to compare the performance of hearing aid user and non user patients by means of the SSW test, reinforcing the importance of auditory stimulation obtained with the use of hearing aids in those with sensorineural hearing loss.…”

Section: Introductionmentioning

confidence: 99%

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Aplicação do teste SSW em indivíduos com perda auditiva neurossensorial usuários e não usuários de aparelho de amplificação sonora individual

et al. 2012

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OBJETIVO: comparar o desempenho de pacientes usuários e não usuários de AASI, por meio do teste SSW. MÉTODO: o estudo foi realizado em 13 sujeitos com idade entre 55 e 85 anos, com perda auditiva bilateral, sendo seis usuários de prótese auditiva bilateral e sete não usuários de prótese auditiva. O teste de processamento auditivo aplicado foi o teste de reconhecimento de dissílabos em tarefa dicótica SSW. Foi realizado um tratamento estatístico feito por meio da técnica Bootstrap e do Teste de Hipótese Kolmogorov-Smirnov. RESULTADOS: o grupo de usuários apresentou melhor desempenho nas condições estudadas do que o grupo de não usuários, principalmente nas condições competitivas. CONCLUSÃO: os resultados obtidos nessa pesquisa apontam para a eficácia do uso do AASI na melhora da compreensão de fala da população estudada, não somente pela compensação da perda auditiva periférica, mas também pela interferência no processo de envelhecimento do sistema nervoso auditivo central.

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“…The ELU model also assumes that for novice users with no previous hearing aid experience, more explicit processing is needed before rather than after acclimatization to the aid has taken place. Auditory acclimatization is defined as the improvement in auditory performance over time as the listener learns to process acoustic signal more efficiently (Arlinger et al, 1996). The study reported in Paper 4 aimed to examine the relationship between aided speech recognition in noise and cognition in new users using various models of hearing aids over the first six months of hearing aid use.…”

Section: Introductionmentioning

confidence: 99%

Cognition in Hearing Aid Users: Memory for Everyday Speech

Ng¹

2013

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Hearing impairment interferes with speech communication. Hearing aids are designed to provide amplification for individuals with poor auditory sensitivity. Signal processing algorithms are implemented in hearing aids to further improve speech understanding and to reduce listening effort in noise. When listening effort is reduced, fewer resources are assumed to be needed for speech perception and more resources would thus be freed for cognitive processing of speech. However, this effect has only been reported in young adults with normal hearing, not in hearing aid users. Cognitive abilities, which vary between individuals, have been shown to influence the ability to benefit from hearing aids. Specifically, it is not yet known how individual differences in cognitive abilities interact with signal processing to reduce listening effort. Also, the relationship between cognition and aided speech recognition performance, as a function of acclimatization processes in new hearing aid users, has not been studied previously.This thesis investigated the importance of cognition for speech understanding in experienced and new hearing aid users. Four studies were carried out. In the first three studies (reported in Papers 1 to 3), experienced hearing aid users were tested and the aims were 1) to develop a cognitive test, called the Sentence-final Word Identification and Recall (SWIR) test, to measure the effects of a noise reduction algorithm on processing of highly intelligible speech (everyday sentences). SWIR performance is argued to reflect the amount of remaining resources upon successful speech perception; 2) to investigate, using the SWIR test, whether hearing aid signal processing would affect memory for heard speech; 3) to test whether the effects of signal processing on the ability to recall speech would interact with background noise and individual differences in working memory capacity; and 4) to explore the potential clinical application of the SWIR test by examining the relationship between SWIR performance and self-reported hearing aid outcome. In the fourth study (reported in Paper 4), the aim was 5) to examine the relationship between cognition and speech recognition in noise in new users using various models of hearing aids over the first six months of hearing aid use.Results of the studies reported in Papers 1 and 3 demonstrated that, for experienced users, noise impairs the ability to recall intelligible speech heard in noise. Noise reduction freed up cognitive resources and alleviated the negative impact of noise on memory when speech stimuli were presented in background noise consisting of speech babble spoken in the listener's native language but not in a foreign language. The possible underlying mechanisms are that noise reduction facilitates auditory stream segregation between target and irrelevant speech and reduces the attention captured by the linguistic information in irrelevant speech. In both studies, the effects of noise reduction and SWIR performance were modulated by individual differe...

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Report of the Eriksholm Workshop on Auditory Deprivation and Acclimatization

Cited by 103 publications

References 96 publications

Restoring hearing symmetry with two cochlear implants or one cochlear implant and a contralateral hearing aid

Restoring hearing symmetry with two cochlear implants or one cochlear implant and a contralateral hearing aid

Aplicação do teste SSW em indivíduos com perda auditiva neurossensorial usuários e não usuários de aparelho de amplificação sonora individual

Cognition in Hearing Aid Users: Memory for Everyday Speech

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