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 Concept Videos

Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

989
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
989
Diffusion01:12

Diffusion

193.0K
Diffusion is the passive movement of substances down their concentration gradients—requiring no expenditure of cellular energy. Substances, such as molecules or ions, diffuse from an area of high concentration to an area of low concentration in the cytosol or across membranes. Eventually, the concentration will even out, with the substance moving randomly but causing no net change in concentration. Such a state is called dynamic equilibrium, which is essential for maintaining overall...
193.0K
Applications of IR Spectroscopy: Overview01:11

Applications of IR Spectroscopy: Overview

758
The non-destructive nature and ability to provide valuable chemical information make IR spectroscopy a versatile technique with broad applications in various scientific and industrial fields. IR spectroscopy is commonly used to identify and characterize organic and inorganic compounds. It provides information about the functional groups present in a molecule and the bonding between atoms. This helps in the structural elucidation of compounds during organic synthesis, pharmaceutical research,...
758
IR Spectrum01:19

IR Spectrum

1.0K
When infrared (IR) radiation passes through a molecule, the bonds stretch or bend by absorbing the radiation. This absorption creates the molecule's absorption spectrum, which is the plot of its percentage transmittance versus wavenumber.
Transmittance is defined as the ratio of the radiant power passing through a sample to that from the radiation's source. Multiplying the transmittance by 100 gives the percent transmittance (%T), which varies between 100% (no absorption) and 0%...
1.0K
IR Spectrometers01:25

IR Spectrometers

1.2K
There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...
1.2K

You might also read

Related Articles

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

Sort by
Same author

Divergent Spatiotemporal Expression Patterns of Histone Deacetylases During Mouse Embryonic Tongue, Palate, and Mandible Development.

Genesis (New York, N.Y. : 2000)·2026
Same author

Cyclin-Dependent Kinases 4 and 6 Inhibitors: An Emerging Therapeutic Framework from Growth Suppression to Tumor Clearance.

ACS pharmacology & translational science·2026
Same author

A cross-sectional study on disaster adaptation and resilience among residents in Guangdong Province, China and analysis of its influencing factors.

BMC public health·2026
Same author

KMnO<sub>4</sub>-modified coal-based humic acid residue for Cd<sup>2+</sup> removal: preparation, adsorption performance and mechanism.

Environmental geochemistry and health·2026
Same author

Microbial Shifts Across Endosphere and Rhizosphere as Strategy for Drought Adaptation in Shrub Ammopiptanthus mongolicus.

Journal of basic microbiology·2026
Same author

Dimethyl fumarate ameliorates quinolinic acid-induced ageing and neurodegeneration in Caenorhabditis elegans.

Biogerontology·2026
Same journal

Anterior Cingulate Cortex Mediates State-Dependent Prioritization of Distressed Conspecifics.

Brain sciences·2026
Same journal

Hemispherotomy for Pediatric Post-Traumatic Epilepsy.

Brain sciences·2026
Same journal

When Robots Learn: Artificial Intelligence and the Next Human-Centered Era of Neurorehabilitation.

Brain sciences·2026
Same journal

The Association Between Changes in White Matter Microstructure and Cognitive Function in Older Adults with Mild Cognitive Impairment.

Brain sciences·2026
Same journal

Beyond Ventricular Enlargement: Multimodal MRI Assessment Improves Surgical Decision-Making in Normal Pressure Hydrocephalus.

Brain sciences·2026
Same journal

The Effects of Personalized Observation, Execution, and Mental Imagery (POEM) Therapy in Logopenic Primary Progressive Aphasia: A Telepractice-Based Single-Case Study.

Brain sciences·2026
See all related articles

Related Experiment Video

Updated: Jul 12, 2025

Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging
17:06

Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging

Published on: November 8, 2012

26.3K

Research Progress in Diffusion Spectrum Imaging.

Fenfen Sun1, Yingwen Huang1, Jingru Wang1

  • 1Center for Brain, Mind and Education, Shaoxing University, Shaoxing 312000, China.

Brain Sciences
|October 28, 2023
PubMed
Summary
This summary is machine-generated.

Diffusion spectrum imaging (DSI) offers advanced brain microstructure analysis beyond conventional DTI by capturing complex fiber orientations. This review explores DSI tractography, proposing solutions to reduce scan times and enhance clinical applications.

Keywords:
applicationdiffusion magnetic resonance imagingdiffusion spectrum imagingmethodologyprogress

More Related Videos

Diffusion Imaging in the Rat Cervical Spinal Cord
10:46

Diffusion Imaging in the Rat Cervical Spinal Cord

Published on: April 7, 2015

11.7K
In Situ Monitoring of Diffusion of Guest Molecules in Porous Media Using Electron Paramagnetic Resonance Imaging
06:34

In Situ Monitoring of Diffusion of Guest Molecules in Porous Media Using Electron Paramagnetic Resonance Imaging

Published on: September 2, 2016

6.4K

Related Experiment Videos

Last Updated: Jul 12, 2025

Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging
17:06

Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging

Published on: November 8, 2012

26.3K
Diffusion Imaging in the Rat Cervical Spinal Cord
10:46

Diffusion Imaging in the Rat Cervical Spinal Cord

Published on: April 7, 2015

11.7K
In Situ Monitoring of Diffusion of Guest Molecules in Porous Media Using Electron Paramagnetic Resonance Imaging
06:34

In Situ Monitoring of Diffusion of Guest Molecules in Porous Media Using Electron Paramagnetic Resonance Imaging

Published on: September 2, 2016

6.4K

Area of Science:

  • Neuroimaging
  • Biophysics
  • Medical Physics

Background:

  • Conventional diffusion tensor imaging (DTI) has limitations in resolving complex, multidirectional fiber tracts in the brain due to its Gaussian diffusion assumption.
  • Diffusion spectrum imaging (DSI) overcomes these limitations by sampling the entire q-space, enabling high angular resolution estimation of water molecule diffusion profiles.

Purpose of the Study:

  • To provide a comprehensive review of Diffusion Spectrum Imaging (DSI) tractography, covering its principles, methodology, and applications.
  • To identify and propose solutions for current challenges in DSI, aiming to facilitate its wider clinical adoption.

Main Methods:

  • Review of existing literature on DSI principles, data acquisition (q-space sampling), and tractography algorithms.
  • Analysis of DSI's ability to reconstruct complex neural pathways compared to DTI.
  • Identification of challenges including long scanning times and complex post-processing.

Main Results:

  • DSI accurately visualizes multidirectional fibers and improves tract reconstruction, revealing brain structures missed by DTI.
  • DSI has the potential to identify novel neuroimaging biomarkers for disease diagnosis and progression prediction.
  • Current limitations include lengthy acquisition times and complex data analysis, hindering widespread clinical use.

Conclusions:

  • Compressed sensing techniques show promise for reducing DSI scan times.
  • Expanding the application of probability density functions in DSI studies can yield richer information.
  • Large-scale studies are crucial to validate DSI findings for clinical reliability and reproducibility.