Unveiling the hidden electroencephalographical rhythms during development: Aperiodic and Periodic activity in healthy subjects

IF 3.7 3区医学 Q1 CLINICAL NEUROLOGY

Clinical Neurophysiology Pub Date : 2024-11-28 DOI:10.1016/j.clinph.2024.11.014

Brenda Y. Angulo-Ruiz, Elena I. Rodríguez-Martínez, Vanesa Muñoz, Carlos M. Gómez

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引用次数: 0

Abstract

Objective

The study analyzes power spectral density (PSD) components, aperiodic (AP) and periodic (P) activity, in resting-state EEG of 240 healthy subjects from 6 to 29 years old, divided into 4 groups.

Methods

We calculate AP and P components using the (Fitting Oscillations and One-Over-f (FOOOF)) plugging in EEGLAB. All PSD components were calculated from 1-45 Hz. Topography analysis, Spearman correlations, and regression analysis with age were computed for all components.

Results

AP and P activity show different topography across frequencies and age groups. Age-related decreases in AP exponent and offset parameters lead to reduced power, while P power decreases (1–6 Hz) and increases (10–15 Hz) with age.

Conclusions

We support the distinction between the AP and P components of the PSD and its possible functional changes with age. AP power is dominant in the configuration of the canonical EEG rhythms topography, although P contribution to topography is embedded in the canonical EEG topography. Some EEG canonical characteristics are similar to those of the P component, as topographies of EEG rhythms (embedded) and increases in oscillatory frequency with age.

Significance

We support that spectral power parameterization improves the interpretation and neurophysiological and functional accuracy of brain processes.

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揭示发育过程中隐藏的脑电图节律：健康受试者的非周期性和周期性活动

目的分析240例6 ~ 29岁健康人静息状态脑电图的功率谱密度（PSD）成分、非周期（AP）和周期(P)活动。方法在EEGLAB中使用（Fitting Oscillations and One-Over-f (FOOOF)）插件计算AP和P分量。所有PSD分量从1-45 Hz计算。计算地形分析、Spearman相关性和年龄回归分析。结果sap和P活性在不同频率和不同年龄组表现出不同的地形特征。随着年龄的增长，AP指数和偏移参数的降低导致功率降低，而P功率随着年龄的增长而降低（1-6 Hz），增加（10-15 Hz）。结论我们支持PSD中AP和P组分的区别及其可能随年龄变化的功能变化。尽管P对地形的贡献嵌入在典型脑电图地形中，但AP功率在典型脑电图节律地形的配置中占主导地位。脑电图的一些典型特征与P分量相似，如脑电图节律的地形（嵌入）和振荡频率随着年龄的增长而增加。我们支持谱功率参数化提高了脑过程的解释和神经生理和功能的准确性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Clinical Neurophysiology 医学-临床神经学

CiteScore

8.70

自引率

6.40%

发文量

932

审稿时长

59 days

期刊介绍： As of January 1999, The journal Electroencephalography and Clinical Neurophysiology, and its two sections Electromyography and Motor Control and Evoked Potentials have amalgamated to become this journal - Clinical Neurophysiology. Clinical Neurophysiology is the official journal of the International Federation of Clinical Neurophysiology, the Brazilian Society of Clinical Neurophysiology, the Czech Society of Clinical Neurophysiology, the Italian Clinical Neurophysiology Society and the International Society of Intraoperative Neurophysiology.The journal is dedicated to fostering research and disseminating information on all aspects of both normal and abnormal functioning of the nervous system. The key aim of the publication is to disseminate scholarly reports on the pathophysiology underlying diseases of the central and peripheral nervous system of human patients. Clinical trials that use neurophysiological measures to document change are encouraged, as are manuscripts reporting data on integrated neuroimaging of central nervous function including, but not limited to, functional MRI, MEG, EEG, PET and other neuroimaging modalities.