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Journal of the Acoustical Society of America / Volume 131 / Issue 2 / LETTERS TO THE EDITOR

The influence of age and high-frequency hearing loss on sensitivity to temporal fine structure at low frequencies (L)

J. Acoust. Soc. Am. Volume 131, Issue 2, pp. 1003-1006 (2012); (4 pages)

Brian C. J. Moore1, Brian R. Glasberg1, Martin Stoev1, Christian Füllgrabe2, and Kathryn Hopkins3

1Department of Experimental Psychology, University of Cambridge, Downing Street, Cambridge CB2 3EB, United Kingdom
2MRC Institute of Hearing Research, Nottingham University Section, Nottingham NG7 2RD, United Kingdom
3School of Psychological Sciences, Ellen Wilkinson Building, University of Manchester, Manchester M13 9PL, United Kingdom

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Sensitivity to temporal fine structure (TFS) at low frequencies may be adversely affected by hearing loss at high frequencies even when absolute thresholds at low frequencies are within the normal range. However, in several studies suggesting this, the effects of hearing loss and age were confounded. Here, interaural phase discrimination (IPD) thresholds for pure tones at 500 and 750 Hz were measured for 39 subjects with ages from 61 to 83 yr. All subjects had near-normal audiometric thresholds at low frequencies, but thresholds varied across subjects at high frequencies. IPD thresholds were correlated with age. IPD thresholds for the test frequency of 750 Hz were weakly correlated with absolute thresholds at high frequencies, but these correlations became non-significant when the effect of age was partialed out. The results do not confirm that sensitivity to TFS at low frequencies is influenced by hearing loss at high frequencies, independently of age.

© 2012 Acoustical Society of America

ACKNOWLEDGMENTS

This work was supported by the MRC (UK). We thank two reviewers for helpful comments on an earlier version of this paper.

Article Outline

  1. INTRODUCTION
  2. THE EXPERIMENT
    1. Subjects
    2. Assessment of absolute thresholds
    3. Measurement of sensitivity to TFS
  3. RESULTS
  4. CONCLUSIONS

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KEYWORDS and PACS

Keywords

hearing

PACS

ARTICLE DATA

History
Received 03 Oct 2011
Accepted 06 Dec 2011
Revised 05 Dec 2011
Digital Object Identifier
http://dx.doi.org/10.1121/1.3672808

PUBLICATION DATA

ISSN

0001-4966 (print)  

Publisher

$abstract.society.value is a Member of CrossRef Acoustical Society of America

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