Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Functional Brain Systems: Reticular Formation

Functional Brain Systems: Reticular Formation

The reticular formation is a complex network of gray and white matter located within the brainstem extending from the medulla to the midbrain.
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...

Brain Waves

Brain Waves

Brain waves are electrical signals generated by the neurons in the brain, which are regularly monitored to measure mental activities. Brain waves and their frequency ranges can be measured using an electroencephalogram or EEG. There are four main types of brain waves, each with distinct characteristics:

Organization of the Brain

Organization of the Brain

The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...

Functional Brain Systems: Limbic System

Functional Brain Systems: Limbic System

The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...

You might also read

Related Articles

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

Sort by

Same author

Investigating the neural origins of Ear-EEG: A correlation study using scalp EEG source reconstruction.

NeuroImage·2026

Same author

Successful closed-loop neurofeedback alpha frequency modulation enhances the temporal dynamics of attention.

NeuroImage·2026

Same author

SpikeSpector software for MultiElectrode Arrays: Field potential analysis and spatial integration of electrophysiological and histological data.

Journal of neuroscience methods·2025

Same author

Identification of Neuromotor Patterns Associated with Hand Rehabilitation Movements from EMG and EEG Signals.

IEEE ... International Conference on Rehabilitation Robotics : [proceedings]·2025

Same author

Differentiation of tumor versus peritumoral cortex in gliomas by intraoperative electrocorticography.

Neuro-oncology·2025

Same author

Interest of neurofeedback training for cognitive performance and risk of brain disorders in the military context.

Frontiers in psychology·2024

Search research articles

Related Experiment Video

Updated: May 20, 2026

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

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

Published on: July 21, 2021

Fundamental dynamical modes underlying human brain synchronization.

Catalina Alvarado-Rojas¹, Michel Le Van Quyen

¹Centre de Recherche de l'Institut du Cerveau et de la Moelle Épinière, INSERM, UMRS 975 and CNRS UMR 7225, UPMC, Hôpital de la Pitié-Salpêtrière, 75651 Paris cedex 13, France.

Computational and Mathematical Methods in Medicine

|July 20, 2012

Summary

Brain activity during sleep and wakefulness shows complex synchronization patterns. These patterns can be simplified into a few key dynamic modes, revealing distinct brain states and their transitions.

More Related Videos

How to Calculate and Validate Inter-brain Synchronization in a fNIRS Hyperscanning Study

How to Calculate and Validate Inter-brain Synchronization in a fNIRS Hyperscanning Study

Published on: September 8, 2021

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

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

Published on: October 6, 2023

Related Experiment Videos

Last Updated: May 20, 2026

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

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

Published on: July 21, 2021

How to Calculate and Validate Inter-brain Synchronization in a fNIRS Hyperscanning Study

How to Calculate and Validate Inter-brain Synchronization in a fNIRS Hyperscanning Study

Published on: September 8, 2021

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

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

Published on: October 6, 2023

Area of Science:

Neuroscience
Computational Neuroscience
Systems Neuroscience

Background:

Understanding the long-term dynamics of interacting cortical and subcortical brain networks across the wake-sleep cycle is limited.
High-dimensional brain recording data necessitates effective summary information for analysis and modeling.

Purpose of the Study:

To investigate local and long-range synchronization patterns in brain networks over several days using intracranial recordings.
To develop a compact representation for understanding complex brain dynamics during the wake-sleep cycle.

Main Methods:

Utilized large-scale intracranial recordings from epileptic patients during seizure-free periods.
Applied principal component analysis to create a reduced-dimension state space representation of brain synchrony.
Analyzed synchronization dynamics across multiple brain regions over extended durations.

Main Results:

Complex brain synchrony patterns during wake-sleep cycles can be represented by a small number of characteristic dynamic modes.
These dynamic modes exhibit remarkable similarity across patients, irrespective of electrode placement.
Transitions between behavioral states follow specific trajectories within this dynamic mode state space.

Conclusions:

The study provides a simplified yet informative model for brain network dynamics across the wake-sleep cycle.
Dominant synchrony patterns are successively activated, correlating with different brain states at a coarse temporal resolution.
This approach offers insights into the fundamental organization of brain states and their transitions.