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

Pars triangularis asymmetry and language dominance

A L Foundas1, C M Leonard, R L Gilmore

  • 1Department of Psychiatry and Neurology, Tulane University School of Medicine, New Orleans, LA, USA.

Proceedings of the National Academy of Sciences of the United States of America
|January 23, 1996
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

Do we have the right PROMs for measuring outcomes in lumbar spinal surgery?

European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·2017
Same author

Reliability analysis of the resting state can sensitively and specifically identify the presence of Parkinson disease.

NeuroImage·2011
Same author

Apathy, depression, and motor symptoms have distinct and separable resting activity patterns in idiopathic Parkinson disease.

NeuroImage·2011
Same author

Entorhinal cortex volume in older adults: reliability and validity considerations for three published measurement protocols.

Journal of the International Neuropsychological Society : JINS·2010
Same author

Emotional indifference in Alzheimer's disease.

The Journal of neuropsychiatry and clinical neurosciences·2010
Same author

The in vitro antibiofilm activity of selected culinary herbs and medicinal plants against Listeria monocytogenes.

Letters in applied microbiology·2009
Same journal

Chemotactic self-organization captures the dynamics of mammalian hair follicle patterning.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Tomographic imaging of superconducting order using particle-hole interference.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Inhibitory potential of autologous neutralizing antibodies sets quantitative limits on the rebound-competent HIV-1 reservoir.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Inferring epidemiological parameters under an infectious phylogeography model with visitor dynamics.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Analytical modeling for suction cup designs for skin-interfaced wearable devices.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Improving cell-free metabolism through direct integration of artificial respiratory chains.

Proceedings of the National Academy of Sciences of the United States of America·2026
See all related articles

Asymmetries in the pars triangularis, a part of Broca's area, may correlate with speech and language lateralization. Most patients showed pars triangularis asymmetry matching their dominant language hemisphere.

Area of Science:

  • Neuroanatomy
  • Neurolinguistics
  • Brain Imaging

Background:

  • The pars triangularis is a key component of Broca's area, crucial for language processing.
  • Understanding its anatomical variations is important for comprehending language lateralization.

Purpose of the Study:

  • To investigate potential anatomical asymmetries of the pars triangularis.
  • To explore the relationship between these asymmetries and speech-language lateralization.

Main Methods:

  • Volumetric magnetic resonance imaging (MRI) scans were used.
  • Measurements were taken on the inferior and caudal convolutions of the pars triangularis.
  • Data from 11 patients who underwent Wada testing were analyzed.

Main Results:

Related Experiment Videos

  • Nine out of ten patients with left-hemisphere language dominance exhibited leftward asymmetry of the pars triangularis.
  • The single patient with right-hemisphere language dominance showed significant rightward asymmetry.

Conclusions:

  • Asymmetries in the pars triangularis appear to be associated with speech and language lateralization.
  • This finding suggests a potential anatomical basis for language dominance.