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

Angular Momentum01:21

Angular Momentum

828
Angular momentum characterizes an object's rotational motion and is defined as the moment of its linear momentum about a specified point O. When a particle moves along a curved path in the x-y plane, the scalar formulation calculates the magnitude of its angular momentum, utilizing the moment arm (d), representing the perpendicular distance from point O to the line of action of the linear momentum. Despite being scalar in formulation, angular momentum is inherently a vector quantity. Its...
828
Angular Velocity and Displacement01:08

Angular Velocity and Displacement

22.9K
Uniform circular motion is motion in a circle at a constant speed. Although this is the simplest case of rotational motion, it is very useful for many situations and is used to introduce rotational variables. When a particle is moving in a circle, the coordinate system is fixed and serves as a frame of reference to define the particle’s position. Its position vector from the origin of the circle to the particle sweeps out the angle θ, which increases in the counterclockwise direction...
22.9K
Conservation of Angular Momentum01:09

Conservation of Angular Momentum

16.3K
A system's total angular momentum remains constant if the net external torque acting on the system is zero. Considering a system that consists of n tiny particles, the angular momentum of any tiny particle may change, but the system's total angular momentum would remain constant. The principle of conservation of angular momentum only considers the net external torque acting on the system. While there are internal forces exerted by different particles within the system that also produce...
16.3K
Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

13.8K
Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
13.8K
Angular Velocity and Acceleration01:11

Angular Velocity and Acceleration

12.1K
We previously discussed angular velocity for uniform circular motion, however not all motion is uniform. Envision an ice skater spinning with their arms outstretched; when they pull their arms inward, their angular velocity increases. Additionally, think about a computer's hard disk slowing to a halt as the angular velocity decreases. The faster the change in angular velocity, the greater the angular acceleration. The instantaneous angular acceleration is defined as the derivative of...
12.1K
Principle of Angular Impulse and Momentum01:23

Principle of Angular Impulse and Momentum

1.3K
The angular impulse and momentum principle provides insights into how forces applied at a distance from an object's rotational axis influence its angular velocity. It builds upon the crucial relationship between the moment of force and angular momentum. By integrating this equation, substituting the limits for the initial and final times, a comprehensive expression representing the angular impulse and momentum principle is derived.
1.3K

You might also read

Related Articles

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

Sort by
Same author

Constituent-constrained word prediction during language comprehension.

Nature neuroscience·2026
Same author

Mu rhythm motor-auditory delay in imagined speech mirrors overt speech timing.

Scientific reports·2026
Same author

The anticipation of imminent events is time-scale invariant.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Geometric properties of musical scales constitute a representational primitive in melodic processing.

iScience·2025
Same author

Top-down and bottom-up neuroscience as collections of practices.

Nature reviews. Neuroscience·2025
Same author

Hierarchical dynamic coding coordinates speech comprehension in the human brain.

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

Differentiation of cortical areas: effects of free energy minimization with broken symmetry.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

Prior exposure to speech rapidly modulates cortical processing of high-level linguistic structure.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

Beta bursts in SMA mediate anticipatory muscle inhibition.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

Cognitive load modulates the effects of social contexts on facial expression processing.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

The neural mechanisms of aligning spatial perspectives.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

Relationships between bilateral tapping skills and brain gray matter volumes: a voxel-based morphometry study.

Cerebral cortex (New York, N.Y. : 1991)·2026
See all related articles

Related Experiment Video

Updated: Feb 9, 2026

A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
08:17

A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder

Published on: April 12, 2018

11.2K

Contrasting Semantic versus Inhibitory Processing in the Angular Gyrus: An fMRI Study.

Gwyneth A Lewis1, David Poeppel1,2, Gregory L Murphy1

  • 1Department of Psychology, New York University, 6 Washington Place, New York, NY, USA.

Cerebral Cortex (New York, N.Y. : 1991)
|June 8, 2018
PubMed
Summary
This summary is machine-generated.

The angular gyrus (AG) is involved in processing thematic concepts and inhibiting irrelevant information, but not taxonomic concepts, according to new fMRI findings.

Keywords:
angular gyrusfMRItaxonomic categories, conceptsthematic relations

More Related Videos

Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology
05:38

Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology

Published on: June 29, 2021

2.9K
Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis
10:33

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis

Published on: June 20, 2012

13.3K

Related Experiment Videos

Last Updated: Feb 9, 2026

A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
08:17

A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder

Published on: April 12, 2018

11.2K
Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology
05:38

Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology

Published on: June 29, 2021

2.9K
Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis
10:33

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis

Published on: June 20, 2012

13.3K

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Semantics

Background:

  • Semantic memory involves taxonomic (feature-based) and thematic (event-based) categorization.
  • The anterior temporal lobe is linked to taxonomic concepts, but the role of the angular gyrus (AG) in thematic concepts is debated.
  • Previous findings showed AG activity for both concept types, raising questions about inhibition versus thematic processing.

Purpose of the Study:

  • To investigate the specific role of the angular gyrus (AG) in representing thematic versus taxonomic semantic information.
  • To differentiate between thematic concept activation and inhibitory processes within the AG.

Main Methods:

  • An fMRI experiment was conducted using semantic judgment tasks.
  • Participants were trained to provide positive (activation) or negative (inhibition) responses to word pairs based on taxonomic or thematic relatedness.
  • Neural activity in the AG was analyzed during these tasks.

Main Results:

  • The angular gyrus (AG) showed engagement during negative judgments (inhibition) for both taxonomic and thematic pairs.
  • AG activity was observed during thematic judgments but not during positive judgments of taxonomic pairs.
  • These findings suggest the AG is involved in both thematic processing and inhibition.

Conclusions:

  • The angular gyrus (AG) plays a role in processing thematic semantic relationships.
  • AG activity appears to reflect inhibitory control over irrelevant semantic information.
  • The AG's function is distinct from the anterior temporal lobe's role in taxonomic processing.