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

EEG responses to long-term audio-visual stimulation.

M Teplan1, A Krakovská, S Stolc

  • 1Institute of Measurement Science, Slovak Academy of Sciences, Dúbravská cesta 9, Bratislava 842 19, Slovak Republic. michal.teplan@savba.sk

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
|June 7, 2005
PubMed
Summary

Long-term audio-visual stimulation (AVS) training alters brain activity. Repetitive AVS significantly increased theta and alpha band power in the frontal cortex and modified brain signal complexity and interdependence.

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

Feature clustering of intracranial pressure time series for alarm function estimation in traumatic brain injury.

Physiological measurement·2017
Same author

The long-term effects of phase advance shifts of photoperiod on cardiovascular parameters as measured by radiotelemetry in rats.

Physiological measurement·2013
Same author

Direct effects of audio-visual stimulation on EEG.

Computer methods and programs in biomedicine·2011
Same author

Phase synchronization in human EEG during audio-visual stimulation.

Electromagnetic biology and medicine·2009
Same author

Pycnogenol efficiency on glycaemia, motor nerve conduction velocity and markers of oxidative stress in mild type diabetes in rats.

Phytotherapy research : PTR·2009
Same author

Protective effect of stobadine on NCV in streptozotocin-diabetic rats: augmentation by vitamin E.

General physiology and biophysics·2008

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Biomedical Engineering

Background:

  • Electroencephalogram (EEG) is a key tool for studying brain activity.
  • Audio-visual stimulation (AVS) is increasingly explored for its potential to modulate neural function.
  • Understanding the long-term effects of AVS on EEG patterns is crucial for therapeutic applications.

Purpose of the Study:

  • To investigate the linear and nonlinear electroencephalogram (EEG) changes induced by long-term audio-visual stimulation (AVS).
  • To analyze the evolution of various EEG measures over a 2-month period of repetitive AVS.
  • To assess the impact of AVS on brain activity complexity and interdependencies.

Main Methods:

  • Six healthy volunteers underwent a 2-month AVS program (25 sessions, 20 min each) with frequencies from 2-18 Hz.

Related Experiment Videos

  • EEG data were recorded from six head locations during relaxed wakefulness.
  • Linear (power, entropy) and nonlinear (correlation dimension, mutual information) EEG measures were analyzed using linear regression.

    • Main Results:

    • Long-term AVS significantly increased power in theta-1, theta-2, and alpha-1 bands in frontal and central cortex locations.
    • Total power increased in the right central region; interhemispheric alpha-1 coherence increased frontally.
    • Correlation dimension decreased in some areas, while entropy showed an increasing trend, indicating altered brain complexity.

    Conclusions:

    • Repetitive, long-term audio-visual stimulation demonstrably induces significant changes in electro-cortical activity.
    • AVS modulates both the spectral power and the complexity/interdependency of brain signals.
    • These findings support the potential of AVS as a method for neuroplasticity modulation.