Nicolás Rubido

Source-space EEG alpha activity reveals brain age gaps due to neurodegeneration and disparity

Mónica Otero, Felipe I. Carriel-Rubilar, Hernan Hernandez, Jhosmary Cuadros et autres

Brain clocks are promising tools for evaluating brain health. However, most current methods rely on structural neuroimaging. Functionally based approaches remain scarce, especially for assessing age-related neurodegenerative diseases. This study examines whether the brain age gap (BAG), the difference between chronological and …

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Integrating individual-based modelling and multilayer networks to advance landscape connectivity analyses

Charlotte Bunnenberg, Murilo da Silva Baptista, Roslyn Henry, Nicolás Rubido et autres

Connected landscapes are fundamental for species persistence under global change, as recognised by the International Convention on Biological Diversity. Connectivity enables species range shifts in response to climate change and maintains gene flow across fragmented populations, enhancing adaptive potential and long-term persistence.Network …

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Diversity-sensitive brain clocks linked to biophysical mechanisms in aging and dementia

Carlos Coronel‐Oliveros, Sebastián Moguilner, Hernán Hernandez, Josephine Cruzat et autres

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Including the Magnitude Variability of a Signal in the Ordinal Pattern Analysis

Melvyn Tyloo, Joaqúın González, Nicolás Rubido

One of the most popular and innovative methods to analyse signals is by using Ordinal Patterns (OPs). The OP encoding is based on transforming a (univariate) signal into a symbolic sequence of OPs, where each OP represents the number of permutations needed …

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Source-space EEG Alpha Activity Reveals Brain Age Gaps Due to Neurodegeneration and Disparity

Pavel Prado, Mónica Otero, Felipe Carriel-Rubilar, Hernán Hernandez et autres

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Including the magnitude variability of a signal into the ordinal pattern analysis

Melvyn Tyloo, Joaqúın González, Nicolás Rubido

One of the most popular and innovative methods to analyse signals is by using Ordinal Patterns (OPs). The OP encoding is based on transforming a (univariate) signal into a symbolic sequence of OPs, where each OP represents the number of permutations needed …

Improved classification of Alzheimer's disease and mild cognitive impairment through dynamic functional network analysis

Nicolás Rubido, Venia Batziou, M.D. MARWA TANTAWY NERMEEN A. FUAD, Vesna Vuksanović

Brain networks from functional MRI have advanced our understanding of cortical activity and its disruption in neurodegenerative disorders. Recent work has increasingly focused on dynamic (time-varying) brain networks that capture both spatial and temporal patterns of regional co-activity, yet this approach remains …

Introduction to Focus Issue: Data-driven models and analysis of complex systems

Johann H. Martínez, Klaus Lehnertz, Nicolás Rubido

This Focus Issue highlights recent advances in the study of complex systems, with a particular emphasis on data-driven research. Our editorial explores a diverse array of topics, including financial markets, electricity pricing, power grids, lasers, the Earth's climate, hydrology, neuronal assemblies and …

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Non-trivial generation and transmission of information in electronically designed logistic-map networks

Caracé Gutiérrez, Cécilia Cabeza, Nicolás Rubido

In this work, we carry out a critical analysis of the information generated and transmitted in an electronic implementation of diffusively coupled logistic maps. Our implementation allows one to change the coupling configuration (i.e., the network) and fine-tune the coupling strength and …

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Functional ultrasound and brain connectivity reveal central nervous system compromise in Trembler-J mice model of Charcot-Marie-Tooth disease

Maximiliano Anzibar Fialho, Mariana Martínez Barreiro, Lucía Vázquez Alberdi, Juan Pablo Damián et autres

The Charcot-Marie-Tooth-1E (CMT1E) disease is typically described as a peripheral neuropathy in humans, causing decreased nerve conduction, spastic paralysis, and tremor. The Trembler-J (TrJ) mice serve as a high fidelity model of this disease. Here, we use functional ultrasound (fUS) and functional …

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Author Correction: Brain clocks capture diversity and disparities in aging and dementia across geographically diverse populations

Sebastián Moguilner, Sandra Báez, Hernán Hernandez, Joaquín Migeot et autres

In the version of the article initially published, Brian Lawlor’s name appeared incorrectly (as Brain) and has now been amended in the HTML and PDF versions of the article.

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Brain clocks capture diversity and disparities in aging and dementia across geographically diverse populations

Sebastián Moguilner, Sandra Báez, Hernán Hernandez, Joaquín Migeot et autres

Brain clocks, which quantify discrepancies between brain age and chronological age, hold promise for understanding brain health and disease. However, the impact of diversity (including geographical, socioeconomic, sociodemographic, sex and neurodegeneration) on the brain-age gap is unknown. We analyzed datasets from 5,306 …

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