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Language, modality and the brain.

U Bellugi, H Poizner, E S Klima

    Trends in Neurosciences
    |October 1, 1989
    PubMed
    Summary
    This summary is machine-generated.

    Human language capacity is not tied to hearing. Signed languages demonstrate complex linguistic structures, proving language is independent of auditory input and modality. The brain

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    Area of Science:

    • Linguistics
    • Neuroscience
    • Psychology

    Background:

    • Fully expressive signed languages emerge independently of spoken language.
    • Human language capacity is not exclusively linked to auditory processing.
    • Language structure is influenced by modality (e.g., visual-gestural vs. auditory-vocal).

    Purpose of the Study:

    • To explore the linguistic complexities of signed languages.
    • To investigate the relationship between language modality and cognitive-auditory connections.
    • To examine the cerebral organization for language, considering both signed and spoken forms.

    Main Methods:

    • Review of studies on signed languages of deaf individuals.
    • Analysis of linguistic structures in signed languages.

    Related Experiment Videos

  • Examination of language breakdown patterns in signed languages.

    • Main Results:

    • Signed languages exhibit full linguistic complexity, challenging the auditory-exclusive view of language.
    • Modality influences language structure, with features like spatial layering being specific to signed languages.
    • The left cerebral hemisphere is specialized for both signed and spoken language processing.

    Conclusions:

    • The human brain possesses an innate predisposition for language, irrespective of modality.
    • Language capacity is not dependent on a privileged cognitive-auditory link.
    • Understanding signed languages offers crucial insights into the neural basis of language.