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Roberto C. Sotero

Researcher at University of Calgary

Publications -  47
Citations -  2711

Roberto C. Sotero is an academic researcher from University of Calgary. The author has contributed to research in topics: Computer science & EEG-fMRI. The author has an hindex of 18, co-authored 43 publications receiving 2206 citations. Previous affiliations of Roberto C. Sotero include Montreal Neurological Institute and Hospital & McGill University.

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Early role of vascular dysregulation on late-onset Alzheimer’s disease based on multifactorial data-driven analysis

Yasser Iturria-Medina, +314 more
TL;DR: Imaging results suggest that intra-brain vascular dysregulation is an early pathological event during disease development, suggesting early memory deficit associated with the primary disease factors.
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Studying the human brain anatomical network via diffusion-weighted MRI and Graph Theory

TL;DR: In a vulnerability and betweenness centrality analysis, the most indispensable and critical anatomical areas were identified: putamens, precuneus, insulas, superior parietals and superior frontals, which suggest that even at the cost of losing in global anatomical efficiency, these structures were maintained through the evolutionary processes due to their important functions.
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Model driven EEG/fMRI fusion of brain oscillations

TL;DR: For model driven fusion, a neural mass EEG/fMRI model coupled to a metabolic hemodynamic model is formulated, and it is shown that the Local Linearization (LL) method for integrating stochastic differential equations is appropriate for highly nonlinear dynamics.
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Realistically Coupled Neural Mass Models Can Generate EEG Rhythms

TL;DR: Simulations of human brain rhythms were carried out and Physiologically plausible results were obtained based on this anatomically constrained neural mass model, which reduces the number of connection parameters substantially in this system faster.
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Epidemic spreading model to characterize misfolded proteins propagation in aging and associated neurodegenerative disorders.

TL;DR: This model strongly supports the leading role of Aß clearance deficiency and early Aß onset age during Alzheimer's disease progression, and that effective anatomical distance from Aß outbreak region explains regional Aß arrival time and Aß deposition likelihood.