Timing of brain entrainment to the speech envelope during speaking, listening and self-listening

⁠This study investigates the dynamics of speech envelope tracking during speech production, listening and self-listening. We use a paradigm in which participants listen to natural speech (Listening), produce natural speech (Speech Production), and listen to the playback of their own speech (Self-Lis...

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Bibliographic Details
Published in:Cognition 2022-07, Vol.224, p.105051-105051, Article 105051
Main Authors: Pérez, Alejandro, Davis, Matthew H., Ince, Robin A.A., Zhang, Hanna, Fu, Zhanao, Lamarca, Melanie, Lambon Ralph, Matthew A., Monahan, Philip J.
Format: Article
Language:English
Subjects:
Auditory Perception
Auditory stimuli
Brain
Copulas
Data collection
EEG
Electroencephalography
Entrainment
Frequency range
Hearing
Humans
Information content
Listeners
Listening
Perception
Playback
Production
Self-listening
Speech
Speech Perception
Speech production
Time use
Tracking
Vocalization
Vocalization behavior
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Summary:⁠This study investigates the dynamics of speech envelope tracking during speech production, listening and self-listening. We use a paradigm in which participants listen to natural speech (Listening), produce natural speech (Speech Production), and listen to the playback of their own speech (Self-Listening), all while their neural activity is recorded with EEG. After time-locking EEG data collection and auditory recording and playback, we used a Gaussian copula mutual information measure to estimate the relationship between information content in the EEG and auditory signals. In the 2–10 Hz frequency range, we identified different latencies for maximal speech envelope tracking during speech production and speech perception. Maximal speech tracking takes place approximately 110 ms after auditory presentation during perception and 25 ms before vocalisation during speech production. These results describe a specific timeline for speech tracking in speakers and listeners in line with the idea of a speech chain and hence, delays in communication.
ISSN:0010-0277
1873-7838
DOI:10.1016/j.cognition.2022.105051