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

[Motor functional MRI by spiral scan--compared with GRE]

T Ito1, H Aihara, K Kinugasa

  • 1Department of Neurological Surgery, Okayama Ryogo Center.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|July 1, 1997
PubMed
Summary

Spiral scan functional MRI (fMRI) offers clearer reactive areas and faster acquisition than gradient recalled echo (GRE) fMRI. This advanced technique provides superior temporal resolution and contrast-noise ratio for brain imaging.

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

Observation of the Radiative Decay D_{s0}^{*}(2317)^{+}→D_{s}^{*+}γ.

Physical review letters·2026
Same author

First Search for B→X_{s}νν[over ¯] Decays.

Physical review letters·2026
Same author

Search for Feebly Interacting Particles in B Decays with Missing Energy at Belle.

Physical review letters·2026
Same author

Search for B^{0}→K^{*0}τ^{+}τ^{-} Decays at the Belle II Experiment.

Physical review letters·2025
Same author

Search for a Dark Higgs Boson Produced in Association with Inelastic Dark Matter at the Belle II Experiment.

Physical review letters·2025
Same author

Study of χ_{bJ}(2P)→ωϒ(1S) at Belle.

Physical review letters·2025

Area of Science:

  • Neuroimaging
  • Magnetic Resonance Imaging
  • Functional Neuroimaging

Background:

  • Functional MRI (fMRI) is crucial for understanding brain activity.
  • Gradient Recalled Echo (GRE) and Echo Planar Imaging (EPI) are common fMRI techniques.
  • Spiral scan presents an alternative fMRI method, potentially requiring less stringent magnetic field gradients.

Purpose of the Study:

  • To compare the efficacy of spiral scan fMRI against GRE fMRI.
  • To evaluate the performance of spiral scan in motor fMRI tasks.
  • To assess image clarity, signal intensity changes, and acquisition time between spiral and GRE methods.

Main Methods:

  • Motor fMRI was conducted on ten healthy volunteers.
  • Data acquisition utilized both spiral scan and GRE sequences on a 1.5 tesla MRI machine.

Related Experiment Videos

  • Statistical analysis, including t-tests, was employed to compare the two methods.

    • Main Results:

    • Spiral scan demonstrated clearer visualization of reactive brain areas compared to GRE (p < 0.01).
    • GRE exhibited a higher signal intensity change ratio, though the difference was not statistically significant.
    • Spiral scan achieved a significantly faster acquisition time (2 seconds/image) versus GRE (10.5 seconds/image).

    Conclusions:

    • Spiral scan fMRI provides superior clarity of functional activation and improved temporal resolution.
    • The faster acquisition time of spiral scan is highly advantageous for fMRI applications.
    • Spiral scan is a promising technique for fMRI, offering benefits in image quality and efficiency.