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Related Experiment Video

Updated: Apr 20, 2026

A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
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Multi-talker background and semantic priming effect.

Marie Dekerle1, Véronique Boulenger2, Michel Hoen3

  • 1Laboratoire sur le Langage, le Cerveau et la Cognition, Centre National de la Recherche Scientifique, UMR 5304 Lyon, France ; University of Lyon Lyon, France.

Frontiers in Human Neuroscience
|November 18, 2014
PubMed
Summary
This summary is machine-generated.

Informational masking in multi-talker speech occurs at the semantic level when background voices are intelligible. When masking is high, cognitive resources shift from semantic to acoustic processing, preventing semantic priming.

Keywords:
cocktail partycognitive loadeffortfulness hypothesisinformational maskingsemantic priming

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Area of Science:

  • Auditory perception
  • Cognitive psychology
  • Speech processing

Background:

  • Informational masking in multi-talker environments is a significant challenge.
  • Understanding the role of semantic interference is crucial for auditory scene analysis.
  • Previous research has not fully elucidated the semantic underpinnings of informational masking.

Purpose of the Study:

  • To investigate if informational masking in multi-talker backgrounds relies on semantic interference.
  • To examine the influence of semantic consistency and intelligibility on target word processing.
  • To test the Effortfulness Hypothesis in the context of informational masking.

Main Methods:

  • Adapted semantic priming paradigm with a lexical decision task.
  • Participants processed target words embedded in backgrounds of 1-4 voices.
  • Background voices were either Semantically Consistent (SC) or Semantically Inconsistent (SI) with the target.

Main Results:

  • Semantic priming effect observed only when the number of SC voices exceeded SI voices.
  • Participants recognized target words even in highly intelligible, noisy backgrounds without semantic priming.
  • Informational masking can occur at the semantic level if intelligibility is sufficient.

Conclusions:

  • Semantic priming depends on prime intelligibility and strategic resource allocation.
  • High background voice counts reduce intelligibility, shifting cognitive resources from semantic to formal processing.
  • Informational masking can impair semantic processing when intelligibility is adequate, supporting the Effortfulness Hypothesis.