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

Pulse amplitude and quality

Pulse amplitude and quality

Pulse amplitude is a crucial indicator of cardiac health because it provides valuable insights into the strength of left ventricular contractions and the overall uniformity of blood circulation within the vasculature. The strength of the pulse is directly related to the force with which the heart contracts and the volume of blood being pumped.
A weak or absent pulse may indicate reduced cardiac output or poor left ventricular contraction, which can be signs of cardiovascular dysfunction or...

Covalently Linked Protein Regulators

Covalently Linked Protein Regulators

Proteins can undergo many types of post-translational modifications, often in response to changes in their environment. These modifications play an important role in the function and stability of these proteins. Covalently linked molecules include functional groups, such as methyl, acetyl, and phosphate groups, and also small proteins, such as ubiquitin. There are around 200 different types of covalent regulators that have been identified.
These groups modify specific amino acids in a protein....

X-linked Traits

X-linked Traits

In most mammalian species, females have two X sex chromosomes and males have an X and Y. As a result, mutations on the X chromosome in females may be masked by the presence of a normal allele on the second X. In contrast, a mutation on the X chromosome in males more often causes observable biological defects, as there is no normal X to compensate. Trait variations arising from mutations on the X chromosome are called “X-linked”.

Phase Diagrams

Phase Diagrams

A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...

Phase Transitions

Phase Transitions

Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to...

Fixed Action Patterns

Fixed Action Patterns

A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.

You might also read

Related Articles

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

Sort by

Same author

Building on models-a perspective for computational neuroscience.

Cerebral cortex (New York, N.Y. : 1991)·2025

Same author

Modeling neuron-astrocyte interactions in neural networks using distributed simulation.

PLoS computational biology·2025

Same author

Voice identity invariance by anterior temporal lobe neurons.

Science advances·2025

Same author

Interdisciplinary and Collaborative Training in Neuroscience: Insights from the Human Brain Project Education Programme.

Neuroinformatics·2024

Same author

Reconciliation of weak pairwise spike-train correlations and highly coherent local field potentials across space.

Cerebral cortex (New York, N.Y. : 1991)·2024

Same author

Spiking attractor model of motor cortex explains modulation of neural and behavioral variability by prior target information.

Nature communications·2024

Search research articles

Related Experiment Video

Updated: Feb 12, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

LFP beta amplitude is linked to mesoscopic spatio-temporal phase patterns.

Michael Denker¹, Lyuba Zehl², Bjørg E Kilavik³

¹Institute of Neuroscience and Medicine (INM-6) and Institute for Advanced Simulation (IAS-6) and JARA Institute Brain Structure-Function Relationships (INM-10), Jülich Research Centre, Jülich, Germany. m.denker@fz-juelich.de.

Scientific Reports

|March 28, 2018

Summary

Beta oscillations in the brain exhibit diverse spatial patterns, including planar waves and synchronized states. These patterns dynamically link with beta amplitude and behavioral epochs during movement tasks.

More Related Videos

A Label-free Technique for the Spatio-temporal Imaging of Single Cell Secretions

A Label-free Technique for the Spatio-temporal Imaging of Single Cell Secretions

Published on: November 23, 2015

Applications of Spatio-temporal Mapping and Particle Analysis Techniques to Quantify Intracellular Ca2+ Signaling In Situ

Applications of Spatio-temporal Mapping and Particle Analysis Techniques to Quantify Intracellular Ca2+ Signaling In Situ

Published on: January 7, 2019

Related Experiment Videos

Last Updated: Feb 12, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

A Label-free Technique for the Spatio-temporal Imaging of Single Cell Secretions

A Label-free Technique for the Spatio-temporal Imaging of Single Cell Secretions

Published on: November 23, 2015

Applications of Spatio-temporal Mapping and Particle Analysis Techniques to Quantify Intracellular Ca2+ Signaling In Situ

Applications of Spatio-temporal Mapping and Particle Analysis Techniques to Quantify Intracellular Ca2+ Signaling In Situ

Published on: January 7, 2019

Area of Science:

Neuroscience
Motor Control
Computational Neuroscience

Background:

Beta oscillations in the motor cortex are crucial for motor control.
Previous studies identified planar waves in beta oscillations.
The spatial organization of beta oscillations is not fully understood.

Purpose of the Study:

To generalize the concept of planar waves to other spatial patterns of beta oscillations.
To investigate the relationship between beta phase patterns, amplitude, and behavior.
To explore the spatio-temporal organization of neural activity during motor tasks.

Main Methods:

Recorded local field potentials (LFPs) using multi-electrode arrays in monkey motor and premotor cortices.
Identified distinct beta phase patterns: planar, synchronized, random, circular, and radial.
Correlated pattern occurrence and dynamics with beta amplitude and behavioral epochs (preparation, execution).

Main Results:

Beta oscillations exhibit diverse spatial phase patterns beyond planar waves.
Coherent patterns (planar, radial) correlate with increasing beta amplitude and movement preparation.
Synchronized patterns occur at peak amplitudes, while random/circular patterns appear during low amplitudes (movement execution).

Conclusions:

A trigonal relationship exists between beta phase spatial arrangement, beta amplitude, and behavior.
Beta phase patterns dynamically modulate with behavioral demands.
These findings inform predictions about mesoscopic neural coding during coordinated movements.