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Development of a method for determining binaural sensitivity to temporal fine structure

F�llgrabe, Christian; Harland, Andrew J.; S?k, Aleksander P.; Moore, Brian C.J.

Authors

Christian F�llgrabe

Andrew J. Harland

Aleksander P. S?k

Brian C.J. Moore



Abstract

Objective: To develop and evaluate a test of the ability to process binaural temporal-fine-structure (TFS) information. The test was intended to provide a graded measure of TFS sensitivity for all listeners. Design: Sensitivity to TFS was assessed at a sensation level of 30 dB using the established TFS-LF test at center frequencies of 250, 500, and 750 Hz, and using the new TFS-AF test, in which the interaural phase difference (IPD) was fixed and the frequency was adaptively varied. IPDs varied from 30 to 180°. Study Sample: Nine young (19-25 years) and 23 older (47-84 years) listeners with normal hearing over the tested frequency range. Results: For the young listeners, thresholds on the TFS-AF test did not improve significantly with repeated testing. The rank-ordering of performance across listeners was independent of the size of the IPD, and moderate-to-strong correlations were observed between scores for the TFS-LF and TFS-AF tests. Older listeners who were unable to complete the TFS-LF test were all able to complete the TFS-AF test. Conclusion: No practice effects and strong correlations with an established test of binaural TFS sensitivity make the TFS-AF test a good candidate for the assessment of supra-threshold binaural processing.

Citation

Füllgrabe, C., Harland, A. J., Sęk, A. P., & Moore, B. C. (2017). Development of a method for determining binaural sensitivity to temporal fine structure. International Journal of Audiology, https://doi.org/10.1080/14992027.2017.1366078

Journal Article Type Article
Acceptance Date Aug 6, 2017
Publication Date Aug 31, 2017
Deposit Date Sep 12, 2017
Publicly Available Date Mar 29, 2024
Journal International Journal of Audiology
Print ISSN 1499-2027
Electronic ISSN 1708-8186
Publisher Taylor & Francis Open
Peer Reviewed Peer Reviewed
DOI https://doi.org/10.1080/14992027.2017.1366078
Keywords Psychoacoustics/hearing science, Aging, Adult or general hearing screening, Behavioral measures
Public URL https://nottingham-repository.worktribe.com/output/880495
Publisher URL http://www.tandfonline.com/doi/full/10.1080/14992027.2017.1366078

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