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Related Experiment Video

Updated: Jun 24, 2025

Examining Bilingual Language Control Using the Stroop Task

Examining Bilingual Language Control Using the Stroop Task

Published on: February 26, 2020

Tracking Components of Bilingual Language Control in Speech Production: An fMRI Study Using Functional Localizers.

Agata Wolna¹, Jakub Szewczyk^1,2,3, Michele Diaz⁴

¹Institute of Psychology, Jagiellonian University, Kraków, Poland.

Neurobiology of Language (Cambridge, Mass.)

|June 4, 2024

Summary

This summary is machine-generated.

Bilinguals experience a native language retrieval difficulty, the L2 after-effect, after using a second language. This effect engages general cognitive control, not language-specific brain regions, suggesting broader executive function involvement in bilingualism.

Keywords:

bilingual language control bilingualism cognitive control precision fMRI speech production

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Area of Science:

Cognitive Neuroscience
Psycholinguistics
Neuroimaging

Background:

Bilingual speakers sometimes struggle to access words in their native language (L1) after using a second language (L2).
This phenomenon, known as the L2 after-effect, offers insights into how the bilingual brain manages multiple languages.
Understanding the neural underpinnings of the L2 after-effect can illuminate bilingual language control mechanisms.

Purpose of the Study:

To determine if bilingual language control relies on general cognitive mechanisms or language-specific ones.
To pinpoint the exact neural mechanisms responsible for the L2 after-effect.
To investigate the neural overlap between the L2 after-effect and established brain networks.

Main Methods:

Utilized a precision functional magnetic resonance imaging (fMRI) approach.
Employed functional localizers to map brain activity.
Examined overlap with the language network, multiple demand network, and networks for interference resolution, lexical retrieval, and articulation.

Main Results:

The L2 after-effect was associated with increased engagement of domain-general cognitive resources.
No evidence supported the involvement of language-specific neural mechanisms in the L2 after-effect.
The study found no support for the L2 after-effect stemming from lexical access, articulation, or interference resolution difficulties.

Conclusions:

The L2 after-effect arises from the engagement of domain-general cognitive control rather than language-specific processes.
The findings challenge previous interpretations linking the L2 after-effect to specific linguistic processing difficulties.
It is proposed that the L2 after-effect reflects interference at a nonlinguistic task schema level or heightened cognitive control during L1 speech production post-L2 use.