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

Background EEG reactivity in auditory event-related potentials.

J G Van Dijk1, J F Caekebeke, A Jennekens-Schinkel

  • 1Dept. of Neurology and Clinical Neurophysiology, Leiden University Hospital, The Netherlands.

Electroencephalography and Clinical Neurophysiology
|July 1, 1992
PubMed
Summary

Background EEG reactivity, particularly alpha and beta rhythms, decreases after infrequent tones, showing task difficulty sensitivity. This background reactivity, not seen in averaged potentials, reveals more about mental activity than traditional evoked potentials.

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

Changes in numbers needed to treat and hospital care expenditures of optimized indications for primary prevention implantable cardioverter defibrillators: a scenario analysis.

Clinical research in cardiology : official journal of the German Cardiac Society·2025
Same author

Regularized parametric survival modeling to improve risk prediction models.

Biometrical journal. Biometrische Zeitschrift·2023
Same author

A European-Japanese study on peach allergy: IgE to Pru p 7 associates with severity.

Allergy·2023
Same author

Hospital utilisation and the costs associated with complications of ICD implantation in a contemporary primary prevention cohort.

Netherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation·2022
Same author

Electrocardiogram-based mortality prediction in patients with COVID-19 using machine learning.

Netherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation·2022
Same author

Enhanced PeriOperative Care and Health protection programme for the prevention of surgical site infections after elective abdominal surgery (EPO<sub>2</sub>CH): statistical analysis plan of a randomised controlled multicentre superiority trial.

Trials·2021

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Electroencephalography (EEG)

Background:

  • Mental activity influences auditory event-related potentials (AERPs) and EEG rhythms like alpha.
  • Background reactivity (BR) of EEG in the context of AERPs is not fully understood.

Purpose of the Study:

  • Investigate background reactivity (BR) of EEG during auditory event-related potentials (AERPs).
  • Determine the relationship between BR, task difficulty, and AERP components.
  • Assess BR's sensitivity compared to P300 latency in reflecting cognitive load.

Main Methods:

  • Analyzed single EEG responses from 14 subjects across 3 increasing difficulty AERP tasks.
  • Calculated power spectra for delta, theta, alpha, and beta bands across EEG epochs.

Related Experiment Videos

  • Subtracted averaged responses to isolate background EEG activity.

    • Main Results:

    • Background alpha and beta activity decreased after infrequent tones, not frequent ones.
    • This decrease was more pronounced for harder tasks, peaking during P3/N3 AERP components.
    • Delta and theta power increased, likely due to AERP contributions.
    • Background reactivity was more sensitive to task difficulty than P300 latency.

    Conclusions:

    • Averaged AERPs capture only a portion of EEG changes related to mental activity.
    • Background EEG reactivity provides a more sensitive measure of cognitive load and task difficulty.
    • Findings support the additive model of evoked potentials.