ArticleScientific reports2023
Complexity and 1/f slope jointly reflect brain states.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.
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44 citing papers in PubMed, 60 citations in OpenAlex.
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- The biological role of local and global fMRI BOLD signal variability in multiscale human brain organization.Nature communications · 2026Article
- Magnetoencephalography-based prediction of longitudinal symptom progression in Parkinson's disease.NPJ Parkinson's disease · 2026Article
- Altered rhythmic and arrhythmic electroencephalographic activity during non-rapid eye movement sleep in amnestic mild cognitive impairment.Brain communications · 2026Article
- Distinct roles of brain network flexibility in motor learning across age.Imaging neuroscience (Cambridge, Mass.) · 2026Article
- Trait-like visual cortical hyperactivity in trait anxiety.Nature communications · 2025Article
- Molecular and neuropathological determinants of neuronal dysfunction in Alzheimer's disease.bioRxiv : the preprint server for biology · 2025Article
- Article
- The role of etiology in the identification of clinical markers of consciousness: comparing EEG alpha power, complexity, and spectral exponent.Cerebral cortex (New York, N.Y. : 1991) · 2025Article
- 7 tesla multiscale entropy analysis reveals increased resting-state complexity in key regions for fear and anxiety in spider-fearful individuals.NeuroImage · 2025Article
- Cardiometabolic state links neurovascular burden with brain structure and function: Evidence from EEG and MRI.NeuroImage · 2025Article
- Aperiodic neural activity distinguishes between phasic and tonic REM sleep.Journal of sleep research · 2025Article
- Adolescent maturation of cortical excitation-inhibition ratio based on individualized biophysical network modeling.Science advances · 2025Article
- Aperiodic neural dynamics define a novel signature of glioma-induced excitation-inhibition dysregulation.bioRxiv : the preprint server for biology · 2025Article
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
Abstract
Characterization of brain states is essential for understanding its functioning in the absence of external stimuli. Brain states differ on their balance between excitation and inhibition, and on the diversity of their activity patterns. These can be respectively indexed by 1/f slope and Lempel-Ziv complexity (LZc). However, whether and how these two brain state properties relate remain elusive. Here we analyzed the relation between 1/f slope and LZc with two in-silico approaches and in both rat EEG and monkey ECoG data. We contrasted resting state with propofol anesthesia, which directly modulates the excitation-inhibition balance. We found convergent results among simulated and empirical data, showing a strong, inverse and non trivial monotonic relation between 1/f slope and complexity, consistent at both ECoG and EEG scales. We hypothesize that differentially entropic regimes could underlie the link between the excitation-inhibition balance and the vastness of the repertoire of brain systems.
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