Application of phase-induced lateralization to the stenger test

Paul J. Boyd, Vivienne J. Rowson, David Reeves

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    The Stenger test was employed to estimate the genuine hearing thresholds in normally hearing volunteer subjects simulating a total unilateral loss. The test was carried out in its standard form and in a modified form in which a phase shift was introduced between the signal delivered to the two ears, set to produce phase-induced lateralization towards the 'poor' ear. The standard test estimated the thresholds at a mean of 13.5 dB above the true thresholds at five frequencies from 250 Hz to 4 kHz. Thresholds at the different frequencies were compared, and although thresholds were lower for the higher frequencies, the apparent effect of frequency was not statistically significant. The modified test, using a 90° phase shift, was found to enhance the test at 250 and 500 Hz (thresholds estimated at about 7 dB above true values), but not significantly at 1 kHz. © 1991 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted.
    Original languageEnglish
    Pages (from-to)241-248
    Number of pages7
    JournalInternational Journal of Audiology
    Issue number4
    Publication statusPublished - 1991


    • Interaural phase
    • Lateralization
    • Non-organic hearing loss
    • Sound localization
    • Stenger test


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