Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Hemispheric specialization for language.

Goulven Josse1, Nathalie Tzourio-Mazoyer

  • 1Groupe d'Imagerie Neurofonctionnelle, UMR 6095, CNRS, CEA, Université de Caen and Université Paris V., France

Brain Research. Brain Research Reviews
|January 24, 2004
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Gene Expression Correlates of the Cortical Network Underlying Sentence Processing.

Neurobiology of language (Cambridge, Mass.)·2023
Same author

Typical and atypical language brain organization based on intrinsic connectivity and multitask functional asymmetries.

eLife·2020
Same author

Development of handedness, anatomical and functional brain lateralization.

Handbook of clinical neurology·2020
Same author

Genetic effects on planum temporale asymmetry and their limited relevance to neurodevelopmental disorders, intelligence or educational attainment.

Cortex; a journal devoted to the study of the nervous system and behavior·2019
Same author

What can we learn from healthy atypical individuals on the segregation of complementary functions?: Comment on "Phenotypes in hemispheric functional segregation? Perspectives and challenges" by Guy Vingerhoets.

Physics of life reviews·2019
Same author

Genome sequencing for rightward hemispheric language dominance.

Genes, brain, and behavior·2019
Same journal

Critical role of actin in modulating BBB permeability.

Brain research. Brain research reviews·2005
Same journal

Dual role of nitric oxide in adult neurogenesis.

Brain research. Brain research reviews·2005
Same journal

Dopamine-glutamate reciprocal modulation of release and motor responses in the rat caudate-putamen and nucleus accumbens of "intact" animals.

Brain research. Brain research reviews·2005
Same journal

CNS injury research; reviewing the last decade: methodological errors and a proposal for a new strategy.

Brain research. Brain research reviews·2005
Same journal

Contribution from neurophysiological and psychological methods to the study of motor imagery.

Brain research. Brain research reviews·2005
Same journal

Ceruloplasmin in neurodegenerative diseases.

Brain research. Brain research reviews·2005
See all related articles

Brain lateralization for language shows significant individual differences. Left-handers often exhibit atypical language processing, and brain structure, like the planum temporale, influences this variability.

Area of Science:

  • Cognitive Neuroscience
  • Neuroimaging
  • Psycholinguistics

Background:

  • Hemispheric specialization for language is a well-established finding in neuroscience.
  • The origins of this brain organization are explored through various approaches including aphasia studies, anatomical asymmetries, and neuroimaging.

Purpose of the Study:

  • To review hypotheses on the origins of language hemispheric specialization.
  • To present facts on inter-individual variability in language specialization.
  • To relate these findings to existing theories, focusing on neuroimaging data.

Main Methods:

  • Review of existing literature on hemispheric specialization for language.
  • Analysis of neuroimaging studies investigating anatomical and functional asymmetries in healthy subjects.

Related Experiment Videos

  • Examination of data related to handedness, sex differences, and brain structure (planum temporale).

    • Main Results:

    • Significant inter-individual variability exists in language hemispheric specialization.
    • Left-handers, particularly familial left-handers, are more prone to atypical language lateralization.
    • Women may show less marked hemispheric specialization for language compared to men.
    • Left planum temporale size correlates with variability in language comprehension specialization.
    • Hemispheric specialization for language appears multi-dimensional, varying with tasks and brain regions.

    Conclusions:

    • Existing models of hemispheric specialization do not fully account for its multi-dimensional nature.
    • Individual factors like handedness and brain anatomy contribute significantly to variations in language lateralization.
    • Further research is needed to integrate these complexities into comprehensive models.