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SISI test presentation

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A study comparing the presentation level of the test tone with SISI score reveals the test to be effective even when presented at levels less than 20 dB above threshold. In normal individuals the score rises gradually with increase of the carrier tone to reach 100% at 60 dB above threshold. In sensory deafness the maximum was reached with carrier tone at 30 db above threshold.

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    Blegvad, B. & Terkildsen, K. (1967): Contralateral masking and the SISI test in normal listeners, Acta Otolaryngologica63: 557.

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    Jerger, J., Shedd, J. and Harford, E. (1959): On the detection of extremely small changes in sound Intensity, Archives of Otolaryngology69: 200.

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Ramanjaneyulu, P., Shekar, S.S.C. SISI test presentation. Indian J Otolaryngol 28, 97 (1976). https://doi.org/10.1007/BF02990971

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  • Hearing Loss
  • Test Tone
  • Increment Size
  • Severe Hearing Loss
  • Audiometric Threshold