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Related Concept Videos

Language01:16

Language

723
Language is a unique communication system that uses words and systematic rules to organize and transmit information. Unlike other forms of communication, which may involve postures, movements, odors, or vocalizations, language relies on symbols and grammar. This makes human communication distinct from that of other species, who also communicate but do not use language in the same way humans do.
Corballis and Suddendorf (2007) and Tomasello and Rakoczy (2003) highlight the role of language in...
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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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Language and Cognition01:27

Language and Cognition

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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.
610
Language Development01:22

Language Development

705
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
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Related Experiment Video

Updated: Dec 11, 2025

Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness
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The Small and Efficient Language Network of Polyglots and Hyper-polyglots.

Olessia Jouravlev1,2, Zachary Mineroff1, Idan A Blank1,3

  • 1Brain & Cognitive Sciences Department, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

Cerebral Cortex (New York, N.Y. : 1991)
|August 22, 2020
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Summary

Polyglots, individuals who speak many languages, show more efficient brain activity during native language processing. Their brains use fewer neural resources, suggesting language learning enhances cognitive efficiency.

Keywords:
expertisefMRImultilingualismneural plasticitypolyglots

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Linguistics

Background:

  • Foreign language acquisition presents challenges for many adults.
  • Certain individuals, known as polyglots, master numerous languages, often as a hobby.
  • The cognitive and neural underpinnings of polyglotism remain largely unexplored.

Purpose of the Study:

  • To investigate if polyglots exhibit distinct neural processing patterns for their native language compared to monolinguals.
  • To explore the neural efficiency in the brains of polyglots using functional magnetic resonance imaging (fMRI).

Main Methods:

  • Utilized fMRI to measure brain activity during native language processing.
  • Compared neural activation patterns in a group of 17 polyglots (including 9 hyper-polyglots) with matched controls.
  • Assessed activation in the language network, multiple demand network, and default mode network.

Main Results:

  • Polyglots demonstrated reduced neural resource utilization in their language network compared to controls.
  • Activation differences were specific to the language network, with similar activations in other networks.
  • The magnitude and extent of brain activations were smaller in polyglots.

Conclusions:

  • Experiential factors from acquiring multiple languages may drive increased efficiency in language processing.
  • Further genetic and longitudinal research is needed to differentiate experiential effects from innate brain differences.
  • This study provides a foundational characterization of the polyglot brain's language network, paving the way for future research.