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

Working Memory01:24

Working Memory

Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this information.
Optimal Arousal Theory01:23

Optimal Arousal Theory

The optimal arousal theory suggests that performance is maximized when an individual experiences a moderate level of arousal. This theory is closely tied to the Yerkes-Dodson law, which illustrates an inverted U-shaped relationship between arousal and performance. The law, formulated by psychologists Robert Yerkes and John Dodson, implies an ideal arousal level for optimal performance, and deviations from this level can lead to declines in effectiveness.
Inverted U-Shaped Performance Curve
The...

You might also read

Related Articles

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

Sort by
Same author

Vanadium Nitride Quantum-Dot Bidirectional Catalysis for Accelerated Polysulfide Redox in Room-Temperature Na-S Batteries.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Hepatic Congestion-linked Intrahepatic Biliary Strictures After Living Donor Liver Transplantation.

Transplantation·2026
Same author

Factors associated with hip deformity in children with nonambulatory spastic cerebral palsy.

Medicine·2026
Same author

Molecular-level analysis of chemical transformation of algal extracellular organic matter during seawater ozonation: Dominant reaction pathways and impacts of halide ions.

Water research·2026
Same author

Anatomical risk stratification for major portal vein complications in dual portal vein living donor liver transplantation: a retrospective cohort study.

Annals of surgical treatment and research·2026
Same author

A machine learning perspective on three decades of methanol synthesis: research framework and experimental operation insights.

Communications engineering·2026

Related Experiment Video

Updated: May 16, 2026

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
09:26

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Published on: February 6, 2019

Theta-gamma coupling during a working memory task as compared to a simple vigilance task.

Jin Young Park1, Kyungun Jhung, Jaewon Lee

  • 1Department of Psychiatry, Yonsei University College of Medicine, Gangnam Severance Hospital, Seoul, South Korea.

Neuroscience Letters
|November 15, 2012
PubMed
Summary
This summary is machine-generated.

Theta-gamma coupling (TGC) reflects working memory, not just attention. This electroencephalography (EEG) marker shows increased frontal TGC during a 2-back task, correlating with performance.

More Related Videos

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

Related Experiment Videos

Last Updated: May 16, 2026

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
09:26

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Published on: February 6, 2019

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

Area of Science:

  • Cognitive Neuroscience
  • Neurophysiology
  • Brain-Computer Interfaces

Background:

  • Theta-gamma coupling (TGC) is implicated in working memory.
  • Distinguishing TGC's role in working memory versus general attention is crucial.
  • Scalp electroencephalography (EEG) is a common tool for measuring brain activity.

Purpose of the Study:

  • To investigate whether TGC measured by EEG specifically reflects working memory processes.
  • To differentiate TGC during a visuo-spatial working memory task from a simple vigilance task.

Main Methods:

  • 13 young participants performed a visuo-spatial 2-back task and a vigilance task.
  • EEG data was recorded to measure theta-gamma coupling.
  • Analysis focused on frontal theta-gamma coupling at approximately 40 Hz.

Main Results:

  • Frontal TGC significantly increased during the working memory task compared to the vigilance task.
  • TGC differed at high-gamma frequencies, even without changes in overall gamma power.
  • A positive correlation was found between TGC during the working memory task and task performance (hit rate).

Conclusions:

  • Theta-gamma coupling appears to be a specific neural correlate of working memory processes.
  • TGC may serve as a valuable physiological biomarker for assessing working memory capacity.
  • Further research can explore TGC's application in brain-computer interfaces and cognitive diagnostics.