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

Cerebral Hemispheres01:05

Cerebral Hemispheres

The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
Cerebrum: Anatomical Overview II01:11

Cerebrum: Anatomical Overview II

Each cerebral hemisphere can be divided into three main regions. The outermost region, the cerebral cortex, is a thin layer (2 to 4 millimeters thick) made up of gray matter, consisting of neuron cell bodies, dendrites, glial cells, and blood vessels. The middle region, or white matter, is primarily composed of myelinated nerve fibers organized into three types of large tracts: association fibers, commissures, and projection fibers. Association fibers connect different areas within the same...
Diencephalon: Hypothalamus and Coordination01:23

Diencephalon: Hypothalamus and Coordination

The hypothalamus is a small yet highly complex and essential brain region that plays a crucial role in regulating various bodily functions. Anatomically, it is located at the base of the brain, just above the brainstem and below the thalamus, forming part of the limbic system.
The hypothalamus interacts with other brain regions, including the pituitary gland, through a direct physical connection called the hypothalamic-pituitary axis. The hypothalamus receives somatic and visceral inputs and...
Lateralization01:28

Lateralization

Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
Diencephalon: Thalamus and Information Relay01:27

Diencephalon: Thalamus and Information Relay

The thalamus, often called “the gateway to the cerebral cortex,” is vital in processing and directing sensory and motor signals throughout the brain. Almost all inputs destined for the cerebral cortex, except for olfactory signals, are relayed through the thalamus. The thalamus is  a sophisticated relay station, channeling information from various brain regions to the cerebral cortex, as well as a filter, prioritizing certain signals over others based on current physiological states or needs.
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...

You might also read

Related Articles

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

Sort by
Same author

No disconnection syndrome after near-complete callosotomy.

Communications psychology·2025
Same author

Full interhemispheric integration sustained by a fraction of posterior callosal fibers.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

XCP-D: A robust pipeline for the post-processing of fMRI data.

Imaging neuroscience (Cambridge, Mass.)·2025
Same author

Daily Stressor-Related Negative Mood and its Associations with Flourishing and Daily Curiosity.

Journal of happiness studies·2025
Same author

Split-brain patients: A clinical vs experimental perspective.

Handbook of clinical neurology·2025
Same author

Impact of white matter hyperintensities on structural connectivity and cognition in cognitively intact ADNI participants.

Neurobiology of aging·2024

Related Experiment Video

Updated: May 17, 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

Dynamic network structure of interhemispheric coordination.

Karl W Doron1, Danielle S Bassett, Michael S Gazzaniga

  • 1Department of Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106, USA.

Proceedings of the National Academy of Sciences of the United States of America
|November 1, 2012
PubMed
Summary

Interhemispheric communication is crucial for cognition. New dynamic network analysis reveals greater coordination when information crosses hemispheres, highlighting transient functional modules in brain communication.

More Related Videos

Recording and Analyzing Multimodal Large-Scale Neuronal Ensemble Dynamics on CMOS-Integrated High-Density Microelectrode Array
09:44

Recording and Analyzing Multimodal Large-Scale Neuronal Ensemble Dynamics on CMOS-Integrated High-Density Microelectrode Array

Published on: March 8, 2024

Modeling the Functional Network for Spatial Navigation in the Human Brain
05:55

Modeling the Functional Network for Spatial Navigation in the Human Brain

Published on: October 13, 2023

Related Experiment Videos

Last Updated: May 17, 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

Recording and Analyzing Multimodal Large-Scale Neuronal Ensemble Dynamics on CMOS-Integrated High-Density Microelectrode Array
09:44

Recording and Analyzing Multimodal Large-Scale Neuronal Ensemble Dynamics on CMOS-Integrated High-Density Microelectrode Array

Published on: March 8, 2024

Modeling the Functional Network for Spatial Navigation in the Human Brain
05:55

Modeling the Functional Network for Spatial Navigation in the Human Brain

Published on: October 13, 2023

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Computational Neuroscience

Background:

  • Fifty years ago, Gazzaniga and coworkers highlighted distinct roles for human cerebral hemispheres.
  • Interhemispheric communication is now studied using advanced techniques from dynamic systems and network theory.
  • These methods allow for characterizing dynamic changes in functional brain connectivity.

Purpose of the Study:

  • To examine interhemispheric coordination using novel dynamic, network-based analysis techniques.
  • To investigate the processing of lexical stimuli via a split visual field experiment.
  • To decode the role of interhemispheric communication in cognitive tasks.

Main Methods:

  • Utilized dynamic systems theory and network theory for data analysis.
  • Employed a split visual field experiment with healthy human participants.
  • Analyzed functional connectivity changes during lexical stimuli processing.

Main Results:

  • Interhemispheric coordination was significantly greater when information transferred from the right to the left hemisphere compared to direct left hemisphere input.
  • Functional modules, defined by coordinated interhemispheric activity, emerged transiently.
  • These findings underscore the dynamic nature of brain communication.

Conclusions:

  • Dynamic, network-based analysis techniques offer novel insights into interhemispheric coordination.
  • Interhemispheric coordination plays a dynamic and essential role in cognitive processes.
  • Understanding brain communication requires analyzing its transient, network-based properties.