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Related Concept Videos

Language and Cognition01:27

Language and Cognition

Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
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Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
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Language Development01:22

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Related Experiment Video

Updated: Jun 17, 2026

Examining Bilingual Language Control Using the Stroop Task
05:31

Examining Bilingual Language Control Using the Stroop Task

Published on: February 26, 2020

Spatiotemporal dynamics of bilingual word processing.

Matthew K Leonard1, Timothy T Brown, Katherine E Travis

  • 1Department of Cognitive Science, University of California, San Diego, CA, USA. mkleonard@cogsci.ucsd.edu

Neuroimage
|December 17, 2009
PubMed
Summary
This summary is machine-generated.

Bilingual adults process their second language (L2) differently from their first (L1), involving more right-hemisphere visual areas. This suggests language acquisition recruits distinct neural pathways, which may become less critical with fluency.

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Psycholinguistics

Background:

  • Monolingual studies reveal distinct brain regions for written word processing stages.
  • Bilingualism offers a unique model to investigate neural plasticity and language representation.

Purpose of the Study:

  • To compare the neural processing stages of first (L1) and second (L2) languages in bilingual adults.
  • To investigate the role of brain regions in L2 acquisition and fluency.

Main Methods:

  • Combined magnetoencephalography (MEG) and magnetic resonance imaging (MRI).
  • Assessed brain activity during a size judgment task for L1 and L2 words.

Main Results:

  • L1 words showed typical left-lateralized activation in ventral occipitotemporal cortex (VOT) and frontotemporal regions.
  • L2 words elicited stronger right VOT activation early on, which decreased with familiarity.
  • Later L2 responses (approx. 400 ms) were more bilateral and involved visual areas typically used for pictures.

Conclusions:

  • Second language acquisition recruits right-hemisphere and posterior visual areas.
  • These additional neural resources may be less essential for highly fluent bilinguals.
  • Language learning involves dynamic neural network recruitment and adaptation.