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Related Concept Videos

Language and Cognition01:27

Language and Cognition

407
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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Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

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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.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
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Lateralization01:28

Lateralization

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Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
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Components of Language01:24

Components of Language

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Language, whether spoken, signed, or written, consists of specific components: lexicon and grammar. The lexicon is the vocabulary of a language, comprising its words. Grammar is the set of rules used to convey meaning through the lexicon. For example, English grammar adds “-ed” to most verbs to indicate past tense. Words are formed by combining phonemes, which are the basic sound units of a language. Different languages have different sets of phonemes (e.g., “ah” vs.
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Related Experiment Video

Updated: Aug 13, 2025

Examining Bilingual Language Control Using the Stroop Task
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Multivariate decoding methods reveal how speaking two dialects affects executive functions.

Yan Jing Wu1,2, Qinpu Dang3, Zhaoqi Zhang3

  • 1School of Linguistic Sciences and Arts, Jiangsu Normal University, Xuzhou, China.

The European Journal of Neuroscience
|January 19, 2023
PubMed
Summary
This summary is machine-generated.

Speaking two Chinese dialects daily enhances general attention, not inhibitory control. This study used advanced neural decoding to show bilingualism

Keywords:
DDMMVPAbidialectalismevent-related potentials (ERPs)

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Area of Science:

  • Cognitive Neuroscience
  • Psycholinguistics
  • Neuroscience

Background:

  • The cognitive advantages of bilingualism are debated, with underlying neural mechanisms unclear.
  • Previous research has not specified how executive functions are affected by speaking multiple languages.

Purpose of the Study:

  • To investigate the neural basis of cognitive differences between mono-dialectal and bi-dialectal Chinese speakers.
  • To determine if bilingualism impacts executive functions like inhibitory control or general attentional deployment.

Main Methods:

  • Multivariate pattern classification applied to electroencephalography (EEG) data during a Flanker task.
  • Analysis of event-related potentials (ERPs) and alpha-band oscillations.
  • Behavioral data analyzed using the Drift Diffusion Model (DDM).

Main Results:

  • Decoding accuracy of ERPs was lower in bi-dialectal speakers, suggesting no enhanced executive control.
  • Alpha-band oscillations, linked to inhibition, showed no difference between groups.
  • The Drift Diffusion Model indicated improved non-decision times but not decision-making speed (drift rates) in bi-dialectal speakers.

Conclusions:

  • Daily use of two Chinese dialects enhances general attentional deployment, not specific executive functions like inhibitory control.
  • The observed effects are likely due to resolving phonological competition during lexical processing.
  • Findings suggest bilingualism's cognitive benefits may stem from managing linguistic competition.