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Related Experiment Videos

The precedence effect: no evidence for an "active" release process found.

J Blauert1, G Canévet, T Voinier

  • 1Lehrstuhl für Allgemeine Elektrotechnik und Akustik, Ruhr Universität, Bochum, Federal Republic of Germany.

The Journal of the Acoustical Society of America
|June 1, 1989
PubMed
Summary
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Researchers investigated if a trigger signal could release echo inhibition in the precedence effect. Findings indicate no evidence of such an active release process, despite its potential role in auditory adaptation.

Area of Science:

  • Auditory Neuroscience
  • Psychoacoustics

Background:

  • Post-onset adaptation, observed with high-frequency clicks, can be released by spectrally distinct trigger signals.
  • This adaptation may be linked to the psychoacoustic precedence effect, which involves echo inhibition.

Purpose of the Study:

  • To determine if trigger signals can actively release echo inhibition within the precedence effect.
  • To explore the relationship between post-onset adaptation and the precedence effect.

Main Methods:

  • Utilized a lateralization paradigm with trains of high-frequency clicks.
  • Introduced spectrally different short trigger signals to assess their effect on echo inhibition.

Main Results:

  • No evidence was found to support an active release process from echo inhibition induced by trigger signals.

Related Experiment Videos

  • Exploratory settings for the precedence effect did not yield positive results for this release mechanism.

    • Conclusions:

    • Trigger signals do not appear to actively release echo inhibition in the precedence effect.
    • The investigated mechanism for releasing echo inhibition was not observed in the experimental settings.