Sequential adaptation effects reveal proactive control in processing spoken sentences: Evidence from event-related
Jue Xu1, Rasha Abdel Rahman1, Werner Sommer1
1Institut für Psychologie, Humboldt-Universität zu Berlin, Rudower Chaussee 18, 12489 Berlin, Germany.
Brain and Language
|January 17, 2021
Summary
Detecting speech errors may trigger proactive cognitive control for language monitoring. The P600 event-related potential (ERP) component reflects both reactive reanalysis and proactive speech monitoring.
Area of Science:
- Cognitive Neuroscience
- Psycholinguistics
- Neuroscience
Background:
- The role of domain-general cognitive control in language processing is not fully understood.
- Understanding how linguistic processes are monitored and regulated is crucial for cognitive science.
Purpose of the Study:
- To investigate the engagement of cognitive control in language processing.
- To examine the influence of previous sentence correctness on the P600 component of the event-related potential (ERP).
Main Methods:
- Analysis of event-related potential (ERP) data from a spoken sentence processing experiment.
- Examining P600 amplitudes in response to correct and incorrect words in current sentences, contingent on previous sentence correctness.
Main Results:
- P600 amplitudes were smaller for both correct and incorrect words in current sentences following incorrect previous sentences compared to correct previous sentences.
- This suggests that detecting speech errors may initiate sustained proactive control for subsequent language monitoring.
Conclusions:
- The P600 component is sensitive to proactive speech monitoring, a key aspect of cognitive control.
- The findings suggest that cognitive control actively monitors and regulates language processing, potentially through proactive mechanisms.
- The P600 reflects both reactive reanalysis and proactive monitoring in speech processing.


