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 Experiment Videos

Changes in cortical activity when subjects scan memory for tones.

L Kaufman1, S Curtis, J Z Wang

  • 1Department of Psychology, New York University, NY 10003.

Electroencephalography and Clinical Neurophysiology
|April 1, 1992
PubMed
Summary
This summary is machine-generated.

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

Diverse Properties of Electron Forbush Decreases Revealed by the Dark Matter Particle Explorer.

Physical review letters·2026
Same author

[The effect of preoperative inflammatory indicators on the prognosis of patients with T1a renal cell carcinoma undergoing surgery and the construction of a predictive model].

Zhonghua yi xue za zhi·2026
Same author

[Efficacy and safety of basiliximab in gastrointestinal chronic graft-versus-host disease].

Zhonghua xue ye xue za zhi = Zhonghua xueyexue zazhi·2026
Same author

[Enhancing the capacity of pulmonary vascular intervention system in China: current status, opportunities, and challenges].

Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases·2026
Same author

[Prediction of the occurrence risk of progressive liver fibrosis in patients with metabolic-associated fatty liver disease based on the SMOTE algorithm and nomogram].

Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology·2026
Same author

Black Hole Spectroscopy and Tests of General Relativity with GW250114.

Physical review letters·2026

Magnetoencephalography (MEG) revealed right-hemisphere cortical activity suppression during short-term memory search for tones. This suppression time correlated with memory set size, unlike left-hemisphere activity.

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Brain Imaging

Background:

  • Short-term memory search involves complex cognitive processes.
  • Magnetoencephalography (MEG) offers high temporal and spatial resolution for studying brain activity.
  • Previous research suggested auditory cortex involvement in memory tasks.

Purpose of the Study:

  • To investigate regional changes in cortical activity during short-term memory search using MEG.
  • To test the hypothesis that auditory cortex is involved in scanning memory for tones.
  • To examine the relationship between memory set size and cortical activity suppression.

Main Methods:

  • Utilized magnetoencephalography (MEG) to measure magnetic fields associated with cortical activity.
  • Measured N100m, the magnetic counterpart of the auditory evoked potential, and alpha bandwidth (8-12 Hz) rhythms.

Related Experiment Videos

  • Employed a Sternberg paradigm to assess short-term memory search for musical tones.
  • Recorded electroencephalogram (EEG) for comparison and to rule out generalized arousal.

    • Main Results:

    • Alpha rhythm suppression was observed during memory scanning for tones.
    • Suppression time (ST) and reaction time (RT) increased linearly with memory set size for some subjects.
    • A significant correlation was found between right-hemisphere ST and set size across all subjects.
    • Left-hemisphere ST showed weaker correlation with set size, indicating hemispheric asymmetry.
    • EEG data ruled out global alpha blockage or generalized arousal as the cause of suppression.

    Conclusions:

    • Right-hemisphere cortical activity suppression is implicated in short-term memory search for auditory information.
    • The observed hemispheric asymmetry suggests specialized roles in memory processing.
    • MEG provides valuable insights into the neural dynamics of cognitive tasks.
    • Findings contribute to understanding the neural basis of auditory short-term memory.