Dynamic network communication as a unifying neural basis for cognition, development, aging, and disease

By Bradley Voytek, Robert T. Knight. 2015

Subfields: Aging, Cognitive Neuroscience

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In Cognitive Neuroscience

Citations in the corpus

The development of aperiodic neural activity in the human brain (2024, unknown): “Flatter slopes have been likened to increased neural noise 16,72,78,90 , due to increased levels of aberrant neural firing in the absence of a slower modulatory oscillation 15,16 .”
Aperiodic Dynamics of Cell Assemblies Recruited for L1 and L2 Processing of French Wh-Dependencies Highlight a Temporo-Parietal Engagement in Syntax (2026, unknown): “Aperiodic activity shifts in early childhood [61–64] and in older adulthood [58,65,66], reflecting changes in brain circuits.”
Non-Neural Sources Systematically Impact Aperiodic EEG Activity (2026, unknown): “While the offset has been linked to neuronal population spiking rates 3 , variations in the exponent are proposed to reflect differences in neural noise 4,5 , self-organized criticality 6 – 8 , or the most prominently 9 , the balance between inhibitory and excitatory synaptic activity 10,11 .”
Exploring Background Aperiodic Electroencephalography (EEG) Activity in the Bucharest Early Intervention Project (2024, unknown): “He et al., 2019; Schaworonkow & Voytek, 2021; Voytek et al., 2015; Voytek & Knight, 2015), there is less longitudinal research focusing on longitudinal changes in aperiodic parameters across the life-span, with only McSweeney et al. (2021) examining changes through adolescence.”
Model selection for spectral parameterization (2024, unknown): “…that α reflects the physiological balance between excitatory (E) and inhibitory (I) neural activity (Brake et al., 2024; Chini et al., 2022; Gao et al., 2017; Wiest et al., 2023), and the offset is related to aggregate neuronal population spiking (Miller et al., 2014; Voytek & Knight, 2015).”
Developmental trajectories of EEG aperiodic and periodic components in children 2–44 months of age (2024, unknown): “…offset are consistent with established increases in neuronal number, gray matter volume, and synaptic number during the ﬁ rst year 1 – 3,5,6,8, 48 – 50 Our observed age-dependent increases in aperiodic slope in infancy also contrast with multiple studies covering child to adult-hood, where…”
Developmental trajectories of EEG aperiodic and periodic power: Implications for understanding the timing of thalamocortical development during infancy (2023, unknown): “Unlike excitatory neurons which are well established by birth, during the first postnatal year GABAergic inhibitory neurons continue to migrate from ventral subregions of the brain to the cortices where they ultimately mature and integrate into neuronal networks 53 .”
Human neuronal excitation/inhibition balance explains and predicts neurostimulation induced learning benefits (2023, background): “Considerable research has been done to investigate oscillatory rhythms as potential electrophysiological predictors for cognitive or behavioral processing in healthy and clinical populations (Harty & Cohen Kadosh, 2019, Uhlhaas & Singer, 2010; Voytek & Knight, 2015).”
Periodic and Aperiodic EEG Features as Potential Markers of Developmental Dyslexia (2023, background): “Within the dynamic network communication framework, this state of increased excitability has been related to a reduced precision of temporal coupling between specific phases of oscillatory cycles and neuronal spiking, introducing a higher level of noise with possible consequences for neural communic”
Associations between EEG trajectories, family income, and cognitive abilities over the first two years of life (2023, background): “The parameterization of aperiodic and periodic activity is relatively new (Donoghue et al., 2020); however, emerging research suggests that periodic and aperiodic components have different trajectories and functional relevance (Cellier et al., 2021; Gao et al., 2017; Voytek and Knight, 2015).”