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.
Brain Waves01:23

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:
Chemical Synapses01:26

Chemical Synapses

Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...
Chemical Synapses01:26

Chemical Synapses

Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...

You might also read

Related Articles

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

Sort by
Same author

Prefrontal fNIRS hemodynamic correlates of attentional load during rapid serial visual presentation tasks.

Frontiers in human neuroscience·2026
Same author

Fast BCIs: Leveraging Dual-Scale Time Windows with Test-Time Adaptation to Enhance Accuracy.

IEEE transactions on bio-medical engineering·2026
Same author

Unified Online Adaptation Framework for Correlation Analysis-based Spatial Filtering Methods in SSVEP-based BCIs.

IEEE journal of biomedical and health informatics·2026
Same author

Flow Cytometric Profiling Reveals Platelet Dysfunction and Impaired Immune Communication in Acute and Chronic Cerebrovascular Disease.

Journal of clinical laboratory analysis·2026
Same author

Exploring Cerebral and Cerebellar Blood Oxygenation-Level Dependent Activations During Visually Cued Alternating Hand and Foot Movements with 3T Multiband fMRI.

International journal of neural systems·2026
Same author

Predicting Attention Decline: An Integrated Beta-Band and SSVEP Approach for Visual Brain-Computer Interfaces.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society·2026

Related Experiment Video

Updated: May 9, 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

Brain oscillation and connectivity during a chemistry visual working memory task.

Li-Yu Huang1, Hsiao-Ching She, Wen-Chi Chou

  • 1Institute of Education, National Chiao-Tung University, Hsinchu, Taiwan, ROC.

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
|July 16, 2013
PubMed
Summary

This study reveals frontal midline theta augmentation supports working memory, while posterior theta and alpha oscillations are linked to sensory processing and memory recall. These brainwave patterns offer insights into cognitive functions.

Keywords:
ConnectivityEEGFrontal thetaOccipital theta and alphaWorking memory

More Related Videos

The Combination of Transcranial Alternating Current Stimulation and Electroencephalogram
06:14

The Combination of Transcranial Alternating Current Stimulation and Electroencephalogram

Published on: October 10, 2025

Related Experiment Videos

Last Updated: May 9, 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

The Combination of Transcranial Alternating Current Stimulation and Electroencephalogram
06:14

The Combination of Transcranial Alternating Current Stimulation and Electroencephalogram

Published on: October 10, 2025

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Electrophysiology

Background:

  • Frontal theta and posterior alpha activity are known to support working memory.
  • The roles of frontal alpha and posterior theta in working memory remain less understood.

Purpose of the Study:

  • To investigate the electroencephalography (EEG) dynamics and connectivity of theta and alpha oscillations in different brain regions during a working memory task.
  • To explore the specific contributions of frontal alpha and posterior theta to working memory processes.

Main Methods:

  • Collected EEG data from 64 undergraduate students performing a Sternberg-like working memory task.
  • Analyzed theta and alpha oscillations in frontal, central parietal, and occipital clusters.
  • Examined event-related synchronization (ERS) and desynchronization (ERD) patterns.

Main Results:

  • Sustained frontal midline theta augmentation was observed, suggesting a role in central executive functions for information maintenance.
  • Posterior theta augmentation followed by alpha suppression occurred, potentially indicating sensory processing, theta gating, or stimulus selection.
  • Posterior alpha event-related desynchronization (ERD) may relate to information transfer with long-term memory and stimulus recognition.
  • Alternating alpha ERS and ERD in the occipital cluster suggest alpha ERS might inhibit irrelevant information.

Conclusions:

  • Frontal midline theta augmentation is crucial for maintaining information in working memory.
  • Posterior theta and alpha oscillations play significant roles in sensory processing, information gating, and memory interaction during working memory tasks.
  • These findings contribute to understanding the neural mechanisms underlying working memory and cognitive control.