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

Alpha frequency, cognitive load and memory performance

W Klimesch1, H Schimke, G Pfurtscheller

  • 1Dept. of Physiological Psychology, University of Salzburg, Austria.

Brain Topography
|January 1, 1993
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

Fronto-parietal alpha ERD and visuo-spatial attention in pregnant women.

Brain research·2022
Same author

MRI-related anxiety can induce slow BOLD oscillations coupled with cardiac oscillations.

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology·2021
Same author

Early, risk-adapted treatment with fludarabine in Binet stage A chronic lymphocytic leukemia patients: results of the CLL1 trial of the German CLL study group.

Leukemia·2017
Same author

Wilhelm Roux' Archiv fur Entwicklungsmechanik der Organismen·2017
Same author

The Pavlovian craver: Neural and experiential correlates of single trial naturalistic food conditioning in humans.

Physiology & behavior·2016
Same author

Associations of endogenous 17-β-estradiol with theta amplitude and performance in semantic categorization in young women.

Neuroscience·2014
Same journal

Diffusion-Informed Joint Segmentation Enhances Detection of Thalamic Atrophy in Parkinson's Disease.

Brain topography·2026
Same journal

Local Field Potential Recordings Using Deep Brain Stimulation: A Practical Workflow and Open-Source Signal Processing Pipeline.

Brain topography·2026
Same journal

Electrocortical Indices of Default Mode Network-Related Activity in ADHD and Modulation Through Mindfulness-Based Cognitive Therapy.

Brain topography·2026
Same journal

Electroencephalogram for the Diagnosis of Depression: A Systematic Review and Meta-Analysis of Diagnostic Test Accuracy.

Brain topography·2026
Same journal

Mapping Whole-Brain Nonlinear Structure-Function Dynamics in Aging via Neural Granger Causality.

Brain topography·2026
Same journal

Association Between Spatiotemporal Properties of Global Brain Activity and Childhood Emotional and Behavioral Problems: Evidence from Microstate C.

Brain topography·2026
See all related articles

Individual alpha frequency (IAF) is linked to memory performance. Good memory performers show higher IAF, especially during information retrieval, indicating IAF decreases correlate with performance drops.

Area of Science:

  • Cognitive Neuroscience
  • Neurophysiology

Background:

  • The relationship between electroencephalography (EEG) signals and cognitive processes like memory and attention is a key area of research.
  • Individual differences in cognitive abilities may be reflected in neural activity patterns.

Purpose of the Study:

  • To investigate the relationship between individual alpha frequency (IAF) and memory performance.
  • To determine if attentional demands influence IAF.
  • To explore how IAF changes during different stages of a memory search task.

Main Methods:

  • EEG signals were recorded from participants performing a modified memory search paradigm.
  • Individual alpha frequency (IAF) was calculated as the center of gravity of the alpha band.
  • Performance metrics were compared between good and bad memory performers.

Related Experiment Videos

Main Results:

  • Memory performance significantly impacted IAF, with a greater effect than attentional demands.
  • During memory retrieval, good performers exhibited a 1.25 Hz higher IAF than bad performers.
  • Alpha desynchronization in the temporal cortex was more pronounced in bad performers during retrieval.

Conclusions:

  • A decrease in IAF is consistently associated with a decline in cognitive performance.
  • IAF serves as a potential neural marker for memory performance and attentional load.
  • The findings highlight the role of alpha oscillations in memory retrieval efficiency.