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Objectives <p>Binaural interaction refers to how the two ears work together, playing a crucial role in everyday tasks such as sound localization and improving speech understanding in noisy or reverberant environments. As age increases, various physiological changes occur, which can affect binaural interaction. To study these changes and their impact on binaural processing, the binaural fusion test (BFT) was employed.</p> Method <p>The study included 90 participants divided into three age groups: children (7–11 years), young adults (18–30 years), and older adults (50–68 years). Children and young adults had normal hearing thresholds (&lt; 15 dBHL), while older adults had near-normal hearing (&lt; 25 dBHL). All participants underwent the BFT in Kannada.</p> Results <p>The one-way ANOVA test revealed a significant effect of age on BFT performance, with young adults achieving the highest scores, followed by children and then older adults. Additionally, when comparing age-related differences in Masking Level Difference scores (measured elsewhere) with BFT scores across the groups, it was found that BFT performance is relatively more resilient to the effects of aging.</p> Conclusion <p>Older adults demonstrated poorer scores, likely due to age-related physiological changes. Additionally, children showed lower scores than young adults, indicating that the binaural interaction process continues to mature during childhood.</p>

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Effect of age on binaural interaction abilities measured using the binaural fusion test

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月30日

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  • Chandni Jain,
  • Saransh Jain,
  • Varsha Chowdri

摘要

Objectives

Binaural interaction refers to how the two ears work together, playing a crucial role in everyday tasks such as sound localization and improving speech understanding in noisy or reverberant environments. As age increases, various physiological changes occur, which can affect binaural interaction. To study these changes and their impact on binaural processing, the binaural fusion test (BFT) was employed.

Method

The study included 90 participants divided into three age groups: children (7–11 years), young adults (18–30 years), and older adults (50–68 years). Children and young adults had normal hearing thresholds (< 15 dBHL), while older adults had near-normal hearing (< 25 dBHL). All participants underwent the BFT in Kannada.

Results

The one-way ANOVA test revealed a significant effect of age on BFT performance, with young adults achieving the highest scores, followed by children and then older adults. Additionally, when comparing age-related differences in Masking Level Difference scores (measured elsewhere) with BFT scores across the groups, it was found that BFT performance is relatively more resilient to the effects of aging.

Conclusion

Older adults demonstrated poorer scores, likely due to age-related physiological changes. Additionally, children showed lower scores than young adults, indicating that the binaural interaction process continues to mature during childhood.