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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.
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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 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.
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The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
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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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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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Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping
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Large languages, impossible languages and human brains.

Andrea Moro1, Matteo Greco1, Stefano F Cappa2

  • 1Scuola Universitaria Superiore IUSS, Pavia, Italy.

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
|August 4, 2023
PubMed
Summary
This summary is machine-generated.

Large Language Models (LLMs) differ fundamentally from human language faculty. The existence of impossible human languages means LLMs are unsuitable models, particularly from a neurobiological perspective.

Keywords:
Impossible LanguagesLarge Language Models

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Area of Science:

  • Linguistics
  • Cognitive Science
  • Neuroscience

Background:

  • Large Language Models (LLMs) are increasingly used in language research.
  • Understanding the distinctions between artificial and human language is crucial.
  • Neurobiological perspectives offer unique insights into language faculty.

Purpose of the Study:

  • To delineate key differences between LLMs and the human language faculty.
  • To argue against the suitability of LLMs as models for human language, especially neurobiologically.
  • To establish premises on machine vs. human distinctions and competence vs. performance.

Main Methods:

  • Comparative analysis of LLM capabilities and human language properties.
  • Theoretical argumentation based on linguistic principles.
  • Consideration of neurobiological constraints on language.

Main Results:

  • Identified essential differences between LLMs and human language faculty.
  • Demonstrated that impossible languages for humans have no LLM equivalent.
  • Argued LLMs are unsuitable models for human language from a neurobiological standpoint.

Conclusions:

  • LLMs do not replicate the human language faculty due to fundamental differences.
  • The concept of impossible languages highlights LLM limitations.
  • LLMs are not adequate models for neurobiological studies of language.