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Ipsilateral and contralateral acoustic reflex thresholds

E Laukli, I W Mair

    Audiology : Official Organ of the International Society of Audiology
    |January 1, 1980
    PubMed
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    This study modified an impedancemeter to measure hearing thresholds. Results showed no significant differences in ipsilateral and contralateral acoustic reflex thresholds in young adults with normal hearing.

    Area of Science:

    • Audiology
    • Hearing Science
    • Bioimpedance Measurement

    Background:

    • Acoustic reflex thresholds are crucial indicators of auditory function.
    • Impedancemetry is a standard audiological test.
    • Modifications to existing equipment can expand diagnostic capabilities.

    Purpose of the Study:

    • To adapt a commercial impedancemeter for accurate hearing threshold measurements.
    • To evaluate the utility of the modified device for assessing acoustic reflex thresholds.
    • To compare ipsilateral and contralateral acoustic reflex thresholds in normal-hearing individuals.

    Main Methods:

    • A commercially available impedancemeter was modified for hearing threshold assessment.
    • Ipsilateral and contralateral acoustic reflex thresholds were measured in decibels (dB) Sound Level (SL).

    Related Experiment Videos

  • Testing was conducted on a cohort of 20 young adults with normal hearing.

    • Main Results:

    • The modified impedancemeter successfully measured hearing thresholds.
    • No statistically significant differences were found between ipsilateral and contralateral acoustic reflex thresholds.
    • The findings suggest consistency in reflex responses regardless of stimulation side.

    Conclusions:

    • The modified impedancemeter is a viable tool for audiological assessments.
    • Acoustic reflex thresholds are comparable between ipsilateral and contralateral pathways in normal hearing.
    • This modification offers a potential cost-effective solution for hearing diagnostics.