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Tarasova I.V.

Research Institute for Complex Issues of Cardiovascular Diseases

Kupriyanova D.S.

Research Institute for Complex Issues of Cardiovascular Diseases

Privodnova E.Yu.

Scientific Research Institute of Neurosciences and Medicine

Kukhareva I.N.

Research Institute for Complex Issues of Cardiovascular Diseases

Syrova I.D.

Research Institute for Complex Issues of Cardiovascular Diseases

Trubnikova O.A.

Research Institute for Complex Issues of Cardiovascular Diseases

Volf N.V.

Scientific Research Institute of Neurosciences and Medicine

Frequency and spatial characteristics of EEG in patients with coronary artery disease with preserved cognitive status and cognitive disorders

Authors:

Tarasova I.V., Kupriyanova D.S., Privodnova E.Yu., Kukhareva I.N., Syrova I.D., Trubnikova O.A., Volf N.V.

More about the authors

Journal: S.S. Korsakov Journal of Neurology and Psychiatry. 2025;125(12): 216‑222

DOI: 10.17116/jnevro2025125121216

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Table of contents

FREQUENCY AND SPATIAL CHARACTERISTICS OF EEG IN PATIENTS WITH CORONARY ARTERY DISEASE WITH PRESERVED COGNITIVE STATUS AND COGNITIVE DISORDERS
FREQUENCY AND SPATIAL CHARACTERISTICS OF EEG IN PATIENTS WITH CORONARY ARTERY DISEASE WITH PRESERVED COGNITIVE STATUS AND COGNITIVE DISORDERS

To cite this article:

Tarasova IV, Kupriyanova DS, Privodnova EYu, Kukhareva IN, Syrova ID, Trubnikova OA, Volf NV. Frequency and spatial characteristics of EEG in patients with coronary artery disease with preserved cognitive status and cognitive disorders. S.S. Korsakov Journal of Neurology and Psychiatry. 2025;125(12):216‑222. (In Russ.)
https://doi.org/10.17116/jnevro2025125121216

Подписка 2026 Журнал неврологии и психиатрии им. С.С. Корсакова (S.S. Korsakov Journal of Neurology and Psychiatry)
МСФ на ЯМ
Использование инфографики авторами научных работ
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Abstract:

OBJECTIVE

The objective of this study was to investigate the effect of coronary artery disease (CAD) on the frequency and spatial characteristics of the electroencephalogram (EEG) in patients with preserved cognitive status and those with cognitive impairment.

MATERIAL AND METHODS

The study included 132 patients with stable coronary artery disease and 63 subjects in a group of apparently healthy elderly people. All patients underwent neuropsychological screening, and based on the results, they were divided into two groups: those without cognitive impairment (CI) who scored 27—30 points on the Montreal Cognitive Assessment Scale (MoCA) (n=37) and those with CI who scored 20—26 points on the MoCA scale (n=95). Patients and healthy subjects also underwent a high-resolution EEG.

RESULTS

It was found that the differentiation between groups of CAD patients with and without CI and healthy elderly individuals occurs at the frequencies of theta1, theta2, and alpha2 rhythms, with local differences in the power of theta1 biopotentials and global differences in the theta2 and alpha2 ranges.

CONCLUSION

The presented results demonstrate that patients with CAD and cognitive impairment exhibit specific features in the frequency and spatial characteristics of brain electrical activity compared to those of healthy elderly individuals.

Keywords:

cognitive disorders
EEG
theta and alpha rhythms
CAD

Authors:

Tarasova I.V.

Research Institute for Complex Issues of Cardiovascular Diseases

Kupriyanova D.S.

Research Institute for Complex Issues of Cardiovascular Diseases

Privodnova E.Yu.

Scientific Research Institute of Neurosciences and Medicine

Kukhareva I.N.

Research Institute for Complex Issues of Cardiovascular Diseases

Syrova I.D.

Research Institute for Complex Issues of Cardiovascular Diseases

Trubnikova O.A.

Research Institute for Complex Issues of Cardiovascular Diseases

Volf N.V.

Scientific Research Institute of Neurosciences and Medicine

Received:

30.06.2025

Accepted:

24.07.2025

Close metadata

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