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Updated: Feb 13, 2026

Combined Transcranial Magnetic Stimulation and Electroencephalography of the Dorsolateral Prefrontal Cortex
Published on: August 17, 2018
The Role of Left Dorsolateral Prefrontal Cortex in Language Processing.
Jana Klaus1, Dennis J L G Schutter1
1Radboud University, Nijmegen, The Netherlands.
This study investigated the left dorsolateral prefrontal cortex (DLPFC) in language. Findings show left DLPFC stimulation impacts language comprehension and production, highlighting its role in complex language networks.
Area of Science:
- Neuroscience
- Cognitive Science
- Psycholinguistics
Background:
- Left frontotemporal regions are crucial for language processing.
- Cognitive control and working memory, involving the left dorsolateral prefrontal cortex (DLPFC), are increasingly recognized as vital for language comprehension and production.
Purpose of the Study:
- To investigate the specific role of the left DLPFC in both language comprehension and production.
Main Methods:
- A double-blind, sham-controlled crossover experiment involving 32 participants.
- Application of cathodal or sham transcranial direct current stimulation (tDCS) to the left DLPFC.
- Performance assessment during language comprehension and production tasks.
Main Results:
- Cathodal tDCS to the left DLPFC increased reaction times in language comprehension.
- Cathodal tDCS to the left DLPFC decreased naming latencies in language production.
- Individual susceptibility to tDCS effects showed high correlation across tasks.
Conclusions:
- The left DLPFC is an integral component of the cortical network supporting language processing.
- The study reveals differential impacts of tDCS on language tasks, suggesting complex neural interactions.
- Individual variability in tDCS response underscores the nuanced nature of brain stimulation effects on cognition.
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