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Related Experiment Videos

Reference thresholds for the TEN(HL) test for people with normal hearing.

Andreas S Hansen1, Øyvind Raen1, Brian C J Moore2

  • 1a Audiology Program, Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences , Norwegian University of Science and Technology (NTNU) , Trondheim , Norway and.

International Journal of Audiology
|April 11, 2017
PubMed
Summary

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The Threshold Equalizing Noise in the Hearing Level (TEN(HL)) test shows good repeatability for diagnosing cochlear dead regions. Normative values are established, with slight adjustments needed for high frequencies and levels.

Area of Science:

  • Audiology
  • Otoacoustic Emissions
  • Hearing Diagnostics

Background:

  • Diagnosing cochlear dead regions is crucial for effective hearing loss management.
  • The Threshold Equalizing Noise in the Hearing Level (TEN(HL)) test is a tool for identifying these regions.
  • Understanding normative values and test repeatability is essential for clinical application.

Purpose of the Study:

  • To establish normative values for the TEN(HL) test.
  • To assess the repeatability of the TEN(HL) test thresholds.
  • To investigate the influence of signal frequency, TEN(HL) level, age, and gender on test results.

Main Methods:

  • The TEN(HL) test was administered twice to participants with normal audiograms.
  • Testing covered signal frequencies from 0.5 to 4 kHz and TEN(HL) levels of 30, 50, and 70 dB HL/ERBN.
Keywords:
Reference thresholdssignal to TEN ratiotest–retestthreshold equalising noise (TEN)

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  • Participants included 29 young and 8 older adults.

    • Main Results:

    • The TEN(HL) test demonstrated good repeatability across sessions.
    • No significant effects of ear, gender, or age group were observed.
    • The average signal-to-TEN ratio (STR) at threshold was near 0 dB, increasing to approximately +2.7 dB at 3 and 4 kHz for a 70 dB HL/ERBN level.

    Conclusions:

    • The TEN(HL) test is a repeatable method for diagnosing cochlear dead regions.
    • Normative STR at high frequencies (3-4 kHz) and high levels (70 dB) may be closer to +2 dB than 0 dB.
    • Further research is recommended to refine TEN(HL) test criteria for high-frequency and high-level testing.