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Benefit from spatial separation of multiple talkers in bilateral hearing-aid users: Effects of hearing loss, age, and cognition.
Int J Audiol. 2009 Nov; 48(11):758-74.IJ

Abstract

To study the spatial hearing abilities of bilateral hearing-aid users in multi-talker situations, 20 subjects received fittings configured to preserve acoustic cues salient for spatial hearing. Following acclimatization, speech reception thresholds (SRTs) were measured for three competing talkers that were either co-located or spatially separated along the front-back or left-right dimension. In addition, the subjects' working memory and attentional abilities were measured. Left-right SRTs varied over more than 14 dB, while front-back SRTs varied over more than 8 dB. Furthermore, significant correlations were observed between left-right SRTs, age, and low-frequency hearing loss, and also between front-back SRTs, age, and high-frequency aided thresholds. Concerning cognitive effects, left-right performance was most strongly related to attentional abilities, while front-back performance showed a relation to working memory abilities. Altogether, these results suggest that, due to raised hearing thresholds and aging, hearing-aid users have reduced access to interaural and monaural spatial cues as well as a diminished ability to 'enhance' a target signal by means of top-down processing. These deficits, in turn, lead to impaired functioning in complex listening environments.

Authors+Show Affiliations

Eriksholm Research Centre, Oticon A/S, Snekkersten, Denmark. ton@oticon.dkNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19951144

Citation

Neher, Tobias, et al. "Benefit From Spatial Separation of Multiple Talkers in Bilateral Hearing-aid Users: Effects of Hearing Loss, Age, and Cognition." International Journal of Audiology, vol. 48, no. 11, 2009, pp. 758-74.
Neher T, Behrens T, Carlile S, et al. Benefit from spatial separation of multiple talkers in bilateral hearing-aid users: Effects of hearing loss, age, and cognition. Int J Audiol. 2009;48(11):758-74.
Neher, T., Behrens, T., Carlile, S., Jin, C., Kragelund, L., Petersen, A. S., & Schaik, A. v. (2009). Benefit from spatial separation of multiple talkers in bilateral hearing-aid users: Effects of hearing loss, age, and cognition. International Journal of Audiology, 48(11), 758-74. https://doi.org/10.3109/14992020903079332
Neher T, et al. Benefit From Spatial Separation of Multiple Talkers in Bilateral Hearing-aid Users: Effects of Hearing Loss, Age, and Cognition. Int J Audiol. 2009;48(11):758-74. PubMed PMID: 19951144.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Benefit from spatial separation of multiple talkers in bilateral hearing-aid users: Effects of hearing loss, age, and cognition. AU - Neher,Tobias, AU - Behrens,Thomas, AU - Carlile,Simon, AU - Jin,Craig, AU - Kragelund,Louise, AU - Petersen,Anne Specht, AU - Schaik,André van, PY - 2009/12/3/entrez PY - 2009/12/3/pubmed PY - 2010/2/24/medline SP - 758 EP - 74 JF - International journal of audiology JO - Int J Audiol VL - 48 IS - 11 N2 - To study the spatial hearing abilities of bilateral hearing-aid users in multi-talker situations, 20 subjects received fittings configured to preserve acoustic cues salient for spatial hearing. Following acclimatization, speech reception thresholds (SRTs) were measured for three competing talkers that were either co-located or spatially separated along the front-back or left-right dimension. In addition, the subjects' working memory and attentional abilities were measured. Left-right SRTs varied over more than 14 dB, while front-back SRTs varied over more than 8 dB. Furthermore, significant correlations were observed between left-right SRTs, age, and low-frequency hearing loss, and also between front-back SRTs, age, and high-frequency aided thresholds. Concerning cognitive effects, left-right performance was most strongly related to attentional abilities, while front-back performance showed a relation to working memory abilities. Altogether, these results suggest that, due to raised hearing thresholds and aging, hearing-aid users have reduced access to interaural and monaural spatial cues as well as a diminished ability to 'enhance' a target signal by means of top-down processing. These deficits, in turn, lead to impaired functioning in complex listening environments. SN - 1708-8186 UR - https://www.unboundmedicine.com/medline/citation/19951144/Benefit_from_spatial_separation_of_multiple_talkers_in_bilateral_hearing_aid_users:_Effects_of_hearing_loss_age_and_cognition_ L2 - https://www.tandfonline.com/doi/full/10.3109/14992020903079332 DB - PRIME DP - Unbound Medicine ER -