Scale-free brain activity: past, present, and future

BJ He - Trends in cognitive sciences, 2014 - cell.com
Brain activity observed at many spatiotemporal scales exhibits a 1/f-like power spectrum,
including neuronal membrane potentials, neural field potentials, noninvasive …

Neurophysiological and computational principles of cortical rhythms in cognition

XJ Wang - Physiological reviews, 2010 - journals.physiology.org
Synchronous rhythms represent a core mechanism for sculpting temporal coordination of
neural activity in the brain-wide network. This review focuses on oscillations in the cerebral …

Neural variability and sampling-based probabilistic representations in the visual cortex

G Orbán, P Berkes, J Fiser, M Lengyel - Neuron, 2016 - cell.com
Neural responses in the visual cortex are variable, and there is now an abundance of data
characterizing how the magnitude and structure of this variability depends on the stimulus …

Separating fractal and oscillatory components in the power spectrum of neurophysiological signal

H Wen, Z Liu - Brain topography, 2016 - Springer
Neurophysiological field-potential signals consist of both arrhythmic and rhythmic patterns
indicative of the fractal and oscillatory dynamics arising from likely distinct mechanisms …

Power laws and self-organized criticality in theory and nature

D Marković, C Gros - Physics Reports, 2014 - Elsevier
Power laws and distributions with heavy tails are common features of many complex
systems. Examples are the distribution of earthquake magnitudes, solar flare intensities and …

A unifying principle underlying the extracellular field potential spectral responses in the human cortex

E Podvalny, N Noy, M Harel, S Bickel… - Journal of …, 2015 - journals.physiology.org
Electrophysiological mass potentials show complex spectral changes upon neuronal
activation. However, it is unknown to what extent these complex band-limited changes are …

Fractals in the nervous system: conceptual implications for theoretical neuroscience

G Werner - Frontiers in physiology, 2010 - frontiersin.org
This essay is presented with two principal objectives in mind: first, to document the
prevalence of fractals at all levels of the nervous system, giving credence to the notion of …

[HTML][HTML] Synaptic and network mechanisms of sparse and reliable visual cortical activity during nonclassical receptive field stimulation

B Haider, MR Krause, A Duque, Y Yu, J Touryan… - Neuron, 2010 - cell.com
During natural vision, the entire visual field is stimulated by images rich in spatiotemporal
structure. Although many visual system studies restrict stimuli to the classical receptive field …

1/f electrophysiological spectra in resting and drug-induced states can be explained by the dynamics of multiple oscillatory relaxation processes

SD Muthukumaraswamy, DTJ Liley - NeuroImage, 2018 - Elsevier
Neurophysiological recordings are dominated by arhythmical activity whose spectra can be
characterised by power-law functions, and on this basis are often referred to as reflecting …

Separating neural oscillations from aperiodic 1/f activity: challenges and recommendations

M Gerster, G Waterstraat, V Litvak, K Lehnertz… - Neuroinformatics, 2022 - Springer
Electrophysiological power spectra typically consist of two components: An aperiodic part
usually following an 1/f power law P∝ 1/f β and periodic components appearing as spectral …