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This research aims to test the dominance-region hypothesis related to interaural time discrimination.

March 15, 2026JASA Express LettersOpen Access

Testing a dominance-region hypothesis for interaural time discrimination using off-frequency maskers

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Experimentally evaluates interaural time delay effects on discrimination across frequency, suggesting dominance region impact is minimal.

This research aims to test the dominance-region hypothesis related to interaural time discrimination.
Measured effects of uncorrelated masking noise on ITD-FS sensitivity
Filtered masking noise at 800 Hz in the first experiment
Investigated tones lower than masking noise in the second experiment
Masking the region around 700 Hz did not significantly affect ITD-FS discriminability
Minimal effects observed on discrimination at other frequencies during testing

Freyman et al. (2026) studied this question.

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