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

Correlation between ECG and Cardiac Cycle01:25

Correlation between ECG and Cardiac Cycle

13.7K
The electrical signals recorded on an electrocardiogram (ECG) occur before the mechanical processes of contraction and relaxation during the cardiac cycle.
A cardiac action potential originates in the SA node and spreads throughout the atria and the AV node in approximately 0.03 seconds. This results in the P wave in an ECG and triggers atrial contraction. The action potential is then briefly slowed at the AV node, allowing the atria to contract and fill the ventricles with blood before...
13.7K

You might also read

Related Articles

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

Sort by
Same author

Symptom Overlap and Neurobiological Similarities Between Posttraumatic Stress Disorder and Tinnitus.

Human brain mapping·2026
Same author

Tinnitus.

Nature reviews. Disease primers·2026
Same author

Objective data-driven personalised approach to diagnosis of chronic tinnitus: the Tinnitus Detection (TIDE) project - protocol for the identification and validation of a biomarker for tinnitus.

BMJ open·2026
Same author

White Matter Alterations Are More Robust Than Gray Matter Differences in Tinnitus and Hearing Loss: An MRI Study of Military Personnel.

Journal of the Association for Research in Otolaryngology : JARO·2026
Same author

Differential brain responses to affective sounds in misophonia and hyperacusis: A task-based fMRI approach.

Cognitive, affective & behavioral neuroscience·2026
Same author

Altered intrinsic brain connectivity in misophonia, with and without hyperacusis.

Hearing research·2025

Related Experiment Video

Updated: May 6, 2026

Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy
10:22

Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy

Published on: December 6, 2016

20.0K

Hemodynamic cortical ripples through cyclicity analysis.

Ivan Abraham1, Somayeh Shahsavarani2, Benjamin Zimmerman3

  • 1Coordinated Science Laboratory, University of Illinois, Urbana-Champaign, Urbana, USA.

Network Neuroscience (Cambridge, Mass.)
|December 30, 2024
PubMed
Summary
This summary is machine-generated.

Researchers discovered traveling brain waves in resting-state and task-based functional magnetic resonance imaging (fMRI) data. These waves show temporal ordering and lead-lag relationships between brain regions, suggesting a role in cognitive functions.

Keywords:
Cortical wavesCyclicity analysisDynamic networksFunctional MRIIterated integrals

More Related Videos

Recording Spatially Restricted Oscillations in the Hippocampus of Behaving Mice
07:10

Recording Spatially Restricted Oscillations in the Hippocampus of Behaving Mice

Published on: July 1, 2018

8.7K
Acute Mouse Brain Slicing to Investigate Spontaneous Hippocampal Network Activity
07:58

Acute Mouse Brain Slicing to Investigate Spontaneous Hippocampal Network Activity

Published on: August 28, 2020

8.9K

Related Experiment Videos

Last Updated: May 6, 2026

Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy
10:22

Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy

Published on: December 6, 2016

20.0K
Recording Spatially Restricted Oscillations in the Hippocampus of Behaving Mice
07:10

Recording Spatially Restricted Oscillations in the Hippocampus of Behaving Mice

Published on: July 1, 2018

8.7K
Acute Mouse Brain Slicing to Investigate Spontaneous Hippocampal Network Activity
07:58

Acute Mouse Brain Slicing to Investigate Spontaneous Hippocampal Network Activity

Published on: August 28, 2020

8.9K

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Computational Biology

Background:

  • Understanding brain function requires detailed analysis of cortical network dynamics.
  • Resting-state functional magnetic resonance imaging (fMRI) provides time series data of brain region activity, often aperiodic and lacking a base frequency.
  • Cyclicity analysis is a novel technique adept at uncovering temporal order in complex time series data.

Purpose of the Study:

  • To extend cyclicity analysis for characterizing dynamic interactions between distant brain regions.
  • To apply this extended method to Human Connectome Project fMRI data.
  • To investigate the temporal ordering and lead-lag relationships in brain activity.

Main Methods:

  • Utilized cyclicity analysis, a robust technique for time series analysis.
  • Applied the method to resting-state and task-based fMRI data from the Human Connectome Project.
  • Analyzed lead-lag relationships and temporal ordering between brain regions.

Main Results:

  • Detected cortical traveling waves of activity propagating along spatial axes in resting-state scans.
  • Observed consistent lead-lag relationships between specific brain regions, mirroring cortical hierarchical organization.
  • Identified task-modulated bursts of strong temporal ordering in task-based fMRI, aligning with stimuli.

Conclusions:

  • Cortical traveling waves exhibit temporal ordering and hierarchical organization.
  • These waves may play a role in emergent cognitive functions.
  • The findings provide insights into the dynamic interactions within brain networks.