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

Neuronal Communication01:28

Neuronal Communication

Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
Neurons as Communicators of the Brain01:22

Neurons as Communicators of the Brain

Neurons, the fundamental units of the brain and nervous system, function as the primary transmitters of information throughout the body. Their ability to communicate through electrical and chemical signals is vital for every bodily function, from regulating the heartbeat to processing complex thoughts. Each neuron has three main components: the cell body (soma), dendrites, and an axon, each specialized to facilitate swift and efficient neural communication.
Cell Body
The cell body, also known...
Neural Circuits01:25

Neural Circuits

Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
Interference: Path Lengths01:10

Interference: Path Lengths

Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
¹H NMR: Long-Range Coupling01:27

¹H NMR: Long-Range Coupling

The coupling interactions of nuclei across four or more bonds are usually weak, with J values less than 1 Hz. While these are usually not observed in spectra, the presence of multiple bonds along the coupling pathway can result in observable long-range coupling.
In alkenes, spin information is communicated via σ–π overlap, as seen in allylic (four-bond) and homoallylic (five-bond) couplings. These coupling interactions are stronger when the σ bond is parallel to the alkene π orbitals.
Propagation of Action Potentials01:23

Propagation of Action Potentials

The propagation of an action potential refers to the process by which a nerve impulse, or "action potential," travels along a neuron.
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...

You might also read

Related Articles

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

Sort by
Same author

Implantable Vagus Nerve Stimulator-Paired Neurorehabilitation for Upper Limb Function After Ischemic Stroke: Evidence From a Systematic Review and Meta-Analysis With Best Practice Recommendations: Corrigendum.

Neurosurgery·2026
Same author

Comparative Seizure Outcomes of Vagus Nerve Stimulation, Deep Brain Stimulation, and Their Combination in Lennox-Gastaut Syndrome.

Annals of neurology·2026
Same author

Thalamocortical seizure onset patterns in drug-resistant focal epilepsy.

Brain communications·2026
Same author

A stereotactic laser interstitial thermal therapy strategy to flank dense calcifications within epileptogenic lesions: illustrative case.

Journal of neurosurgery. Case lessons·2026
Same author

Kainic acid pig model of hippocampal epilepsy.

Scientific reports·2026
Same author

Development of an Educational Curriculum for the Surgical Implantation of DBS Systems.

Neuromodulation : journal of the International Neuromodulation Society·2026

Related Experiment Video

Updated: Jun 26, 2026

New Framework for Understanding Cross-Brain Coherence in Functional Near-Infrared Spectroscopy (fNIRS) Hyperscanning Studies
05:59

New Framework for Understanding Cross-Brain Coherence in Functional Near-Infrared Spectroscopy (fNIRS) Hyperscanning Studies

Published on: October 6, 2023

Nonlinear phase-phase cross-frequency coupling mediates communication between distant sites in human neocortex.

Felix Darvas1, Kai J Miller, Rajesh P N Rao

  • 1Department of Neurological Surgery, University of Washington, Seattle, Washington 98195, USA.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|January 16, 2009
PubMed
Summary

Researchers found that brain regions communicate using synchronized brain waves. This cross-frequency synchronization between distant sensorimotor sites in the human neocortex during movement suggests a novel mechanism for neural communication.

More Related Videos

Combined Invasive Subcortical and Non-invasive Surface Neurophysiological Recordings for the Assessment of Cognitive and Emotional Functions in Humans
08:25

Combined Invasive Subcortical and Non-invasive Surface Neurophysiological Recordings for the Assessment of Cognitive and Emotional Functions in Humans

Published on: May 19, 2016

Inter-Brain Synchrony in Open-Ended Collaborative Learning: An fNIRS-Hyperscanning Study
04:44

Inter-Brain Synchrony in Open-Ended Collaborative Learning: An fNIRS-Hyperscanning Study

Published on: July 21, 2021

Related Experiment Videos

Last Updated: Jun 26, 2026

New Framework for Understanding Cross-Brain Coherence in Functional Near-Infrared Spectroscopy (fNIRS) Hyperscanning Studies
05:59

New Framework for Understanding Cross-Brain Coherence in Functional Near-Infrared Spectroscopy (fNIRS) Hyperscanning Studies

Published on: October 6, 2023

Combined Invasive Subcortical and Non-invasive Surface Neurophysiological Recordings for the Assessment of Cognitive and Emotional Functions in Humans
08:25

Combined Invasive Subcortical and Non-invasive Surface Neurophysiological Recordings for the Assessment of Cognitive and Emotional Functions in Humans

Published on: May 19, 2016

Inter-Brain Synchrony in Open-Ended Collaborative Learning: An fNIRS-Hyperscanning Study
04:44

Inter-Brain Synchrony in Open-Ended Collaborative Learning: An fNIRS-Hyperscanning Study

Published on: July 21, 2021

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Computational Neuroscience

Background:

  • Human cognition relies on large-scale interactions between distant neocortical areas.
  • Synchronization between cortical regions is a proposed mechanism for corticocortical interaction.

Purpose of the Study:

  • To investigate cross-frequency synchronization between distant sensorimotor sites in the human neocortex during a movement task.
  • To demonstrate a mechanism for communication between distant cortical areas.

Main Methods:

  • Electrocorticographic recordings from the cortical surface in four human subjects.
  • Analysis of low-frequency (10-13 Hz) and high-frequency (77-82 Hz) rhythms.
  • Identification of cross-frequency coupling in ventral premotor cortex and distant motor sites.

Main Results:

  • Observed robust, directional cross-frequency synchronization between distant sensorimotor sites.
  • A low-frequency rhythm coupled with a high-frequency rhythm in premotor cortex.
  • Generated a third rhythm at the sum of frequencies in a distant motor site, indicating nonlinear interaction.

Conclusions:

  • Task-specific, phase-phase coupling supports communication between distant neocortical areas.
  • Cross-frequency coupling demonstrates nonlinear interactions between cortical sites.
  • Provides evidence for a neural mechanism underlying human cognitive functions during movement.