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

You might also read

Related Articles

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

Sort by
Same author

Longitudinal changes in DTI-ALPS and choroid plexus volume relative to CSF biomarkers during lecanemab treatment in mild cognitive impairment: A pilot study.

Alzheimer's & dementia (Amsterdam, Netherlands)·2026
Same author

Fast oscillations as useful biomarkers of the degree of epileptogenicity in each generalized epilepsy syndrome.

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology·2026
Same author

On-site exposure to clinical epilepsy practice for experimental scientists engaged in epilepsy research: A pilot study by the ILAE commission on neurobiology.

Epilepsia open·2026
Same author

All spectral frequencies of neural activity reveal semantic representation in the human anterior ventral temporal cortex.

Imaging neuroscience (Cambridge, Mass.)·2026
Same author

Temporal Patterns of Skin-Fixed Depth Electrodes During Stereotactic Electroencephalography Recording.

Cureus·2026
Same author

Complications, outcomes, and implications of a prolonged vegetative state in anti-NMDA receptor encephalitis: a retrospective international cohort study.

The Lancet. Neurology·2026

Related Experiment Video

Updated: Nov 7, 2025

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

2.6K

Frequency-Dependent Cortical Interactions during Semantic Processing: An Electrocorticogram Cross-spectrum Analysis

Naoyuki Sato1, Riki Matsumoto2,3, Akihiro Shimotake3,4

  • 1Department of Complex and Intelligent Systems, School of Systems Information Science, Future University Hakodate, Hakodate, Hokkaido 041-8655, Japan.

Cerebral Cortex (New York, N.Y. : 1991)
|May 4, 2021
PubMed
Summary

This study reveals frequency-dependent brain networks during semantic cognition. A beta-band network involving the anterior temporal lobe (ATL) is key for forming semantic representations, identified using electrocorticography (ECoG).

Keywords:
anterior temporal lobedistributed semantic codingelectrocorticogramlanguagesemantic memory

More Related Videos

Statistical Modelling of Cortical Connectivity Using Non-invasive Electroencephalograms
08:51

Statistical Modelling of Cortical Connectivity Using Non-invasive Electroencephalograms

Published on: November 1, 2019

5.8K
Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software
06:50

Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software

Published on: October 30, 2018

9.7K

Related Experiment Videos

Last Updated: Nov 7, 2025

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

2.6K
Statistical Modelling of Cortical Connectivity Using Non-invasive Electroencephalograms
08:51

Statistical Modelling of Cortical Connectivity Using Non-invasive Electroencephalograms

Published on: November 1, 2019

5.8K
Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software
06:50

Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software

Published on: October 30, 2018

9.7K

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Computational Neuroscience

Background:

  • Semantic cognition relies on interactions between a multimodal semantic hub in the anterior temporal lobe (ATL) and modality-specific cortical areas.
  • Electrocorticography (ECoG) offers high spatiotemporal resolution for studying cortical interactions but hasn't been extensively used for this.

Purpose of the Study:

  • To investigate cortical interactions during picture naming using ECoG.
  • To characterize frequency-dependent cortical networks involved in semantic cognition.

Main Methods:

  • Utilized a novel ECoG cross-spectrum analysis combined with a vector space model of semantics.
  • Formulated analysis from computational simulations of neuronal networks.

Main Results:

  • Identified three distinct frequency-dependent cortical networks: high-gamma (90-150 Hz) in the early period (0.2-0.8s) with a posterior fusiform gyrus hub.
  • Observed a beta-band (15-40 Hz) network in the later period (0.4-1.0s) with hubs in the ventral ATL and posterior middle temporal gyrus.
  • Detected a theta-band (4-7 Hz) network distributed widely before articulation.

Conclusions:

  • Frequency-dependent cortical interactions underpin semantic cognition processes.
  • The beta-band network, particularly its hub in the ventral ATL, is crucial for semantic representation formation.