Resting-state fractal brain connectivity is associated with impaired cognitive performance in healthy aging

A Czoch, Z Kaposzta, P Mukli, O Stylianou, A Eke… - GeroScience, 2024 - Springer
Aging affects cognitive functions even in the absence of ongoing pathologies. The
neurophysiological basis of age-related cognitive decline (CD), however, is not completely …

Real-time algorithm for detrended cross-correlation analysis of long-range coupled processes

Z Kaposzta, A Czoch, O Stylianou, K Kim… - Frontiers in …, 2022 - frontiersin.org
Assessing power-law cross-correlations between a pair–or among a set–of processes is of
great significance in diverse fields of analyses ranging from neuroscience to financial …

Scale-free functional brain networks exhibit increased connectivity, are more integrated and less segregated in patients with Parkinson's disease following …

O Stylianou, Z Kaposzta, A Czoch, L Stefanovski… - Fractal and …, 2022 - mdpi.com
Dopaminergic treatment (DT), the standard therapy for Parkinson's disease (PD), alters the
dynamics of functional brain networks at specific time scales. Here, we explore the scale …

Fingerprints of decreased cognitive performance on fractal connectivity dynamics in healthy aging

Z Kaposzta, A Czoch, P Mukli, O Stylianou, DH Liu… - GeroScience, 2024 - Springer
Abstract Analysis of brain functional connectivity (FC) could provide insight in how and why
cognitive functions decline even in healthy aging (HA). Despite FC being established as …

Postural control in gymnasts: anisotropic fractal scaling reveals proprioceptive reintegration in vestibular perturbation

M Mangalam, I Seleznov, E Kolosova… - Frontiers in Network …, 2024 - frontiersin.org
Dexterous postural control subtly complements movement variability with sensory
correlations at many scales. The expressive poise of gymnasts exemplifies this lyrical …

Multiple-resampling cross-spectral analysis: an unbiased tool for estimating fractal connectivity with an application to neurophysiological signals

FS Racz, A Czoch, Z Kaposzta, O Stylianou… - Frontiers in …, 2022 - frontiersin.org
Investigating scale-free (ie, fractal) functional connectivity in the brain has recently attracted
increasing attention. Although numerous methods have been developed to assess the …

Multiscale detrended cross-correlation coefficient: estimating coupling in non-stationary neurophysiological signals

O Stylianou, G Susi, M Hoffmann… - Frontiers in …, 2024 - frontiersin.org
The brain consists of a vastly interconnected network of regions, the connectome. By
estimating the statistical interdependence of neurophysiological time series, we can …

Tool Embodiment Is Reflected in Movement Multifractal Nonlinearity

Y Pratviel, V Deschodt-Arsac, F Larrue, LM Arsac - Fractal and Fractional, 2022 - mdpi.com
Recent advances in neuroscience have linked dynamical systems theory to cognition. The
main contention is that extended cognition relies on a unitary brain-body-tool system …

[PDF][PDF] SCALE-FREE FUNCTIONAL CONNECTIVITY OF BRAIN NETWORKS REVEALED BY ELECTROENCEPHALOGRAPHY

O Stylianou - 2022 - repo.lib.semmelweis.hu
Signatures of brain activity are readily captured in neuroimaging records. However, the
limited ability to establish inference from neurophysiological processes to behavior and …

[PDF][PDF] Tool Embodiment Is Reflected in Movement Multifractal Nonlinearity. Fractal Fract. 2022, 6, 240

Y Pratviel, V Deschodt-Arsac, F Larrue, LM Arsac - 2022 - researchgate.net
Recent advances in neuroscience have linked dynamical systems theory to cognition. The
main contention is that extended cognition relies on a unitary brain-body-tool system …