Age-related differences in discrimination of temporal intervals in accented tone sequences.

Hearing Research
Peter J Fitzgibbons, Sandra Gordon-Salant

Abstract

The study measured listener sensitivity to increments of a target inter-onset interval (IOI) embedded within isochronous tone sequences that featured a single accented tonal component. The sequences consisted of six 1000-Hz tone bursts separated by silent intervals to establish equal tonal IOIs of 200 ms within the sequence. Tone burst durations within the sequences were 50 ms, except one tone had a longer duration of 100 ms to produce a perception of accent. Duration DLs in ms for increments of a single sequence IOI were measured adaptively by adjusting the duration of the silent interval between two tones. Sequence position of the target IOI differed across conditions. Listeners included young normal-hearing adults and older adults with and without hearing loss. Discrimination performance of the two older listener groups was equivalent and significantly poorer than that of the younger listeners in each discrimination condition. The age-related discrimination deficits were independent of sequence locations of both the target interval and the accented tonal component. Comparative DLs collected for target intervals in unaccented tone sequences with equal tone durations revealed that the detrimental effects of accent on temporal ...Continue Reading

Associated Clinical Trials

Mar 16, 2018·Sandra Gordon Salant

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Citations

Jul 24, 2010·The Journal of the Acoustical Society of America·Sandra Gordon-SalantPeter J Fitzgibbons
May 14, 2010·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Qi Huang, Jianguo Tang
Dec 22, 2012·Neurobiology of Aging·Donald M CasparyLynne L Ling
Jan 30, 2015·Cell and Tissue Research·Ladislav OudaJosef Syka
Jan 27, 2015·The Journal of the Acoustical Society of America·Peter J Fitzgibbons, Sandra Gordon-Salant
Oct 20, 2017·Journal of Speech, Language, and Hearing Research : JSLHR·Barbara Shinn-Cunningham
Dec 3, 2016·The Journal of the Acoustical Society of America·Peter J Fitzgibbons, Sandra Gordon-Salant
Jan 3, 2019·The Journal of the Acoustical Society of America·Rebecca E BieberSandra Gordon-Salant

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