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math.NA2026
Forward--Inverse Interplay in FEM-Based EEG Source Imaging: Distributional Signatures of Advanced Source Models and Inverse Solvers
Santtu Söderholm, Joonas Lahtinen, Sampsa Pursiainen
Electroencephalography (EEG) source imaging aims to infer brain activity from electrical potentials measured on the scalp. This is a difficult problem because many different source…
math.NA2024
A Coupled Diffusion Approximation for Spatiotemporal Hemodynamic Response and Deoxygenated Blood Volume Fraction in Microcirculation
Maryam Samavaki, Santtu Söderholm, Arash Zarrin Nia +1
Background and Objective: This proof of concept study investigates mathematical modelling of blood flow and oxygen transport in cerebral microcirculation, focusing on understanding…
math.NA2023★ 1 cited
The Effects of Peeling on Finite Element Method -based EEG Source Reconstruction
Santtu Söderholm, Joonas Lahtinen, Carsten H. Wolters +1
The problem of reconstructing brain activity from electric potential measurements performed on the surface of a human head is not an easy task: not just because the solution of the…