ArticlePLoS computational biology2022
Alpha blocking and 1/fβ spectral scaling in resting EEG can be accounted for by a sum of damped alpha band oscillatory processes.
Article in PLoS computational biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.
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Who cites it
15 citing papers in PubMed, 1 synthesis or guideline pooled it.
- A Systematic Review of Aperiodic Neural Activity in Clinical Investigations.The European journal of neuroscience · 2025Pooled it
- Potential mechanisms and functional significance of aperiodic neural activity.Nature human behaviour · 2026Review
- Aperiodic and oscillatory activity of the human brain during induced emotional states.medRxiv : the preprint server for health sciences · 2026Article
- A meta-analysis of periodic and aperiodic electrophysiological features in Parkinson's disease.Brain communications · 2026Review
- Aperiodic Activity Reflects Pathologic Waveform Shapes in Focal Epilepsy.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- The development of aperiodic neural activity in the human brain.Nature human behaviour · 2025Article
- A comprehensive investigation of intracortical and corticothalamic models of the alpha rhythm.PLoS computational biology · 2025Article
- Task-related changes in aperiodic activity are related to visual working memory capacity independent of event-related potentials and alpha oscillations.Imaging neuroscience (Cambridge, Mass.) · 2025Article
- The fluctuations of alpha power: Bimodalities, connectivity, and neural mass models.Imaging neuroscience (Cambridge, Mass.) · 2025Article
- Xenon anaesthesia is associated with a reduction in frontal electroencephalogram peak alpha frequency.BJA open · 2024Article
- A cortical field theory - dynamics and symmetries.Journal of computational neuroscience · 2024Article
- Aperiodic EEG Predicts Variability of Visual Temporal Processing.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- A General, Noise-Driven Mechanism for the 1/f-Like Behavior of Neural Field Spectra.Neural computation · 2024Article
- Fractal Time Series: Background, Estimation Methods, and Performances.Advances in neurobiology · 2024Review
- Cross-attractor modeling of resting-state functional connectivity in psychiatric disorders.NeuroImage · 2023Article
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3 authors.
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Abstract
The dynamical and physiological basis of alpha band activity and 1/fβ noise in the EEG are the subject of continued speculation. Here we conjecture, on the basis of empirical data analysis, that both of these features may be economically accounted for through a single process if the resting EEG is conceived of being the sum of multiple stochastically perturbed alpha band damped linear oscillators with a distribution of dampings (relaxation rates). The modulation of alpha-band and 1/fβ noise activity by changes in damping is explored in eyes closed (EC) and eyes open (EO) resting state EEG. We aim to estimate the distribution of dampings by solving an inverse problem applied to EEG power spectra. The characteristics of the damping distribution are examined across subjects, sensors and recording condition (EC/EO). We find that there are robust changes in the damping distribution between EC and EO recording conditions across participants. The estimated damping distributions are found to be predominantly bimodal, with the number and position of the modes related to the sharpness of the alpha resonance and the scaling (β) of the power spectrum (1/fβ). The results suggest that there exists an intimate relationship between resting state alpha activity and 1/fβ noise with changes in both governed by changes to the damping of the underlying alpha oscillatory processes. In particular, alpha-blocking is observed to be the result of the most weakly damped distribution mode becoming more heavily damped. The results suggest a novel way of characterizing resting EEG power spectra and provides new insight into the central role that damped alpha-band activity may play in characterising the spatio-temporal features of resting state EEG.
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