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

Modulations in cerebral hemodynamics under three response requirements while solving language-based problems: a

A E Varnadore1, A E Roberts, W M McKinney

  • 1Department of Psychology, Catawba College, Salisbury, NC 28144, USA.

Neuropsychologia
|November 19, 1997
PubMed
Summary

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

Identifying individuals at risk for surgical supravalvar aortic stenosis by polygenic risk score with graded phenotyping.

medRxiv : the preprint server for health sciences·2024
Same author

A Discussion on Cholera; Its Epidemic Progression and Causation.

The Indian medical gazette·2017
Same author

Vesical Calculus in India: Its Distribution and a Theory of Its Cause.

The Indian medical gazette·2017
Same author

Vesical Calculus in India: Its Distribution and a Theory of Its Cause.

The Indian medical gazette·2017
Same author

Ultrasound and magnetic resonance angiography.

Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association·2015
Same author

Genotype differences in cognitive functioning in Noonan syndrome.

Genes, brain, and behavior·2008

This study measured cerebral blood flow velocity during language tasks. Different response methods like speaking or writing selectively altered blood flow in the middle cerebral artery (MCA), anterior cerebral artery (ACA), and posterior cerebral artery (PCA).

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Physiology

Background:

  • Understanding the neural mechanisms of language processing is crucial.
  • Cerebral blood flow velocity is an indicator of brain activity.
  • Previous research has not fully explored how specific language tasks and response modalities impact cerebral hemodynamics.

Purpose of the Study:

  • To investigate the effects of different language-based problem-solving tasks and response requirements on cerebral blood flow velocity.
  • To examine velocity changes in the middle cerebral artery (MCA), anterior cerebral artery (ACA), and posterior cerebral artery (PCA).

Main Methods:

  • Transcranial Doppler ultrasound was used to measure blood flow velocity in the MCA, ACA, and PCA.
  • College students (n=20 per group) performed anagram solving and word construction tasks.

Related Experiment Videos

  • Response modalities included silent viewing, speaking, and writing.

    • Main Results:

    • Silent viewing during word construction led to faster MCA and ACA velocities compared to PCA.
    • Speaking solutions during both tasks resulted in higher MCA than PCA velocities.
    • Writing solutions during word construction showed faster MCA velocities than both ACA and PCA.
    • Time-course analysis revealed MCA velocity elevations at the beginning/end of thinking periods and PCA velocity decreases in the middle.

    Conclusions:

    • The type of language task and response modality selectively influence blood flow velocity in specific cerebral arteries.
    • These findings provide insights into the neurovascular coupling during complex cognitive processes.
    • Cerebral hemodynamics are differentially modulated by the cognitive demands and motor outputs of language tasks.