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Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation
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Interference in speaking while hearing and vice versa.

Raphaël Fargier1,2, Marina Laganaro3

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Summary
This summary is machine-generated.

Concurrent auditory stimuli can interfere with speech planning, even during passive listening. This study found that post-lexical speech production processes are susceptible to auditory interference, influenced by attention and neural competition.

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Area of Science:

  • Cognitive Neuroscience
  • Psycholinguistics
  • Speech Production Research

Background:

  • Concurrent auditory stimuli can disrupt speech planning, even when not actively engaged.
  • Understanding the timing and locus of this interference is crucial for speech production models.

Purpose of the Study:

  • To investigate the locus and origin of interference on speech production during concurrent auditory stimuli.
  • To examine how passive and active listening conditions affect speech planning.
  • To determine the temporal dynamics of auditory interference in speech production.

Main Methods:

  • High-density electroencephalographic (EEG) recordings during picture naming tasks.
  • Auditory syllables presented at various stimulus onset asynchronies (SOAs) during passive and active listening.
  • Analysis of event-related potentials (ERPs) and microstates to identify neural correlates of interference.

Main Results:

  • Auditory interference was observed at all tested SOAs, including later intervals (+450 ms).
  • EEG analyses revealed modulations in post-lexical planning processes near verbal response onset.
  • A shift in the N1 auditory component latency was noted for delayed auditory stimuli.

Conclusions:

  • Speech production, specifically post-lexical processes, can be interfered with by auditory stimuli beyond the lexical stage.
  • Auditory interference in speech planning is modulated by attentional demands and potentially competing neural resources.
  • These findings highlight the dynamic interplay between auditory perception and speech production planning.