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Using Rapid Invisible Frequency Tagging (RIFT) to Probe the Neural Interaction Between Representations of Speech

Cecília Hustá1, Antje Meyer1,2, Linda Drijvers1,2

  • 1Max Planck Institute for Psycholinguistics, Nijmegen, The Netherlands.

Neurobiology of Language (Cambridge, Mass.)
|July 30, 2025
PubMed
Summary
This summary is machine-generated.

Speech planning involves understanding how comprehended and planned speech representations interact. This study used EEG and rapid invisible frequency tagging (RIFT) to investigate attentional distribution and neural interactions during speech production.

Keywords:
attentioncomprehensionelectroencephalography (EEG)interactionrapid invisible frequency tagging (RIFT)speech planning

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Area of Science:

  • Cognitive Neuroscience
  • Psycholinguistics
  • Neuroscience

Background:

  • Interactions between comprehended and planned speech influence language production.
  • Understanding neural mechanisms of attentional distribution and stimulus interaction is crucial for speech planning.

Purpose of the Study:

  • To investigate attentional distribution to comprehension and speech planning stimuli using rapid invisible frequency tagging (RIFT).
  • To examine neural interactions between auditory comprehension distractors and visual speech planning stimuli.

Main Methods:

  • Utilized electroencephalography (EEG) with rapid invisible frequency tagging (RIFT).
  • Employed the picture-word interference (PWI) paradigm with delayed naming.
  • Simultaneously presented auditory distractors (tagged at 54 Hz) and visual target pictures (tagged at 68 Hz).

Main Results:

  • Observed clear power increases at 54 Hz and 68 Hz, indicating attention allocation.
  • Found no power difference between related and unrelated conditions at base frequencies.
  • Detected a larger intermodulation frequency power difference in the unrelated compared to the related condition, suggesting stronger neural interaction.

Conclusions:

  • Difficulties in speech production do not stem from attention allocation to stimuli.
  • Processing challenges arise from the interaction of concepts invoked by auditory and visual stimuli.
  • Neural interaction between stimuli may be downregulated in related conditions during speech planning.