Age-related trends in aperiodic EEG activity and alpha oscillations during early- to middle-childhood.
Age-related trends in aperiodic EEG activity and alpha oscillations during early- to middle-childhood.
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DOI：
10.1016/j.neuroimage.2023.119925
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发表时间：
2023-04-01
期刊：
影响因子：
5.7
通讯作者：
Fox, Nathan A.
中科院分区：
文献类型：
--
作者：
McSweeney, Marco;Morales, Santiago;Valadez, Emilio A.;Buzzell, George A.;Yoder, Lydia;Fifer, William P.;Pini, Nicola;Shuffrey, Lauren C.;Elliott, Amy J.;Isler, Joseph R.;Fox, Nathan A.
Age-related structural and functional changes that occur during brain development are critical for cortical development and functioning. Previous electroencephalography (EEG) and magnetoencephalography (MEG) studies have highlighted the utility of power spectra analyses and have uncovered age-related trends that reflect perceptual, cognitive, and behavioural states as well as their underlying neurophysiology. The aim of the current study was to investigate age-related change in aperiodic and periodic alpha activity across a large sample of pre- and school-aged children (N = 502, age range 4 -11-years-of-age). Power spectra were extracted from baseline EEG recordings (eyes closed, eyes open) for each participant and parameterized into aperiodic activity to derive the offset and exponent parameters and periodic alpha oscillatory activity to derive the alpha peak frequency and the associated power estimates. Multilevel models were run to investigate age-related trends and condition-dependent changes for each of these measures. We found quadratic age-related effects for both the aperiodic offset and exponent. In addition, we observed increases in periodic alpha peak frequency as a function of age. Aperiodic measures and periodic alpha power were larger in magnitude during eyes closed compared to the eyes open baseline condition. Taken together, these results advance our understanding of the maturational patterns/trajectories of brain development during early- to middle-childhood.
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DOI：
10.1073/pnas.0402680101
发表时间：
2004-05-25
影响因子：
11.1
作者：
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通讯作者：
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影响因子：
3.7
作者：
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