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Updated: Aug 9, 2026
09:36
Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation
Published on: May 13, 2014
[The noncoherent components of evoked brain activity]
V P Kovalev1, V Iu Novototskiĭ-Vlasov
1Serbsky National Center of Social and Forensic Psychiatry, Russian Ministry of Public Health, Moscow.
Zhurnal Vysshei Nervnoi Deiatelnosti Imeni I P Pavlova
|February 4, 1999
Summary
This study reveals correlations between brain
Area of Science:
- Neuroscience
- Cognitive Science
- Electrophysiology
Context:
- Investigates brain activity during simple and choice reaction tasks.
- Analyzes electroencephalography (EEG) signals and evoked potentials (EP).
- Focuses on non-stationary brain activity components.
Purpose:
- To analyze poststimulus spectral EEG changes.
- To correlate these changes with evoked potentials (EP).
- To reveal non-stationary components of brain evoked activity.
Summary:
- Identified poststimulus changes in mean wave half-period duration (MWHPD) and power of delta and beta oscillations.
- Correlated latencies of high-frequency EP components with MWHPD decrease and beta-oscillation power increase.
- Linked latencies of low-frequency EP components with MWHPD increase and delta/beta oscillation power decrease.
Impact:
- Demonstrates a correlation between specific EEG spectral changes and EP components.
- Provides insights into the dynamic neural processes underlying sensory-motor reactions.
- Enhances understanding of brain signal processing during cognitive tasks.
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