The neural integration of speaker and message
Jos J A Van Berkum1, Danielle van den Brink, Cathelijne M J Y Tesink
1Max Planck Institute for Psycholinguistics, Nijmegen, Netherlands. jos.vanberkum@mpi.nl
Journal of Cognitive Neuroscience
|December 7, 2007
Summary
Listeners rapidly integrate speaker identity with spoken words, challenging traditional language processing models. This suggests immediate social context influences meaning construction from the earliest stages of comprehension.
Area of Science:
- Cognitive Neuroscience
- Psycholinguistics
- Social Psychology
Background:
- Traditional models of language comprehension separate semantic (word meaning) and pragmatic (contextual meaning) processing.
- The role of speaker identity in early language comprehension remains debated.
Purpose of the Study:
- To investigate the temporal dynamics of integrating speaker identity into language comprehension.
- To determine if speaker-based inferences influence meaning construction concurrently with word processing.
Main Methods:
- Event-related brain potentials (ERPs) were recorded while participants listened to sentences.
- Stimuli included utterances where content mismatched speaker identity-based inferences (e.g., voice, accent).
Main Results:
- Speaker identity was processed within 200-300 milliseconds of word onset, affecting early interpretation mechanisms.
- This rapid integration challenges models positing a sequential semantic-then-pragmatic processing order.
- Brain responses were modulated by voice-based social stereotypes associated with the speaker.
Conclusions:
- Language comprehension rapidly incorporates social context, including speaker identity and associated stereotypes.
- The brain integrates linguistic content and social cues from the earliest stages of processing.
- Meaning construction is inherently linked to the social aspects of language use, not separable from them.
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