Imaging of the pial arterial vasculature of the human brain in vivo using high-resolution 7T time-of-flight angiography

S Bollmann, H Mattern, M Bernier, SD Robinson… - Elife, 2022 - elifesciences.org
The pial arterial vasculature of the human brain is the only blood supply to the neocortex, but
quantitative data on the morphology and topology of these mesoscopic arteries (diameter 50 …

[HTML][HTML] Pressure–Poisson equation in numerical simulation of cerebral arterial circulation and its effect on the electrical conductivity of the brain

M Samavaki, YO Yusuf, AZ Nia, S Söderholm… - Computer Methods and …, 2023 - Elsevier
Abstract Background and Objective This study considers dynamic modelling of the cerebral
arterial circulation and reconstructing an atlas for the electrical conductivity of the brain …

[HTML][HTML] Modeling of blood flow in cerebral arterial circulation and its dynamic impact on electrical conductivity in a realistic multi-compartment head model

M Samavaki, S Söderholm, AZ Nia… - Computer Methods and …, 2024 - Elsevier
Abstract Background and Objective This study aims to assess the dynamic impact of non-
Newtonian cerebral arterial circulation on electrical conductivity within a realistic multi …

[HTML][HTML] A coupled diffusion approximation for spatiotemporal hemodynamic response and deoxygenated blood volume fraction in microcirculation

M Samavaki, S Söderholm, AZ Nia… - … Signal Processing and …, 2025 - Elsevier
Abstract Background and Objective: This proof of concept study investigates mathematical
modeling of blood flow and oxygen transport in cerebral microcirculation, focusing on …

Inverse Fourier transformation of combined first order derivative and intensity-curvature functional of magnetic resonance angiography of the human brain

C Ciulla - Computer Methods and Programs in Biomedicine, 2021 - Elsevier
Background and objective This paper reports a novel image processing technique based on
inverse Fourier transformation and its validation procedure. Methods Magnetic Resonance …

Navier-Stokes Modelling of Non-Newtonian Blood Flow in Cerebral Arterial Circulation and its Dynamic Impact on Electrical Conductivity in a Realistic Multi …

M Samavaki, AZ Nia, S Söderholm… - arXiv preprint arXiv …, 2023 - arxiv.org
Background and Objective: This study aims to evaluate the dynamic effect of non-Newtonian
cerebral arterial circulation on electrical conductivity distribution (ECD) in a realistic multi …

Towards Segmenting Cerebral Arteries from Structural MRI

A Alshenoudy, B Sabrowsky-Hirsch… - Annual Conference on …, 2024 - Springer
The assessment of cerebral arteries and the Circle of Willis (CoW) structure in neuroimaging
scans is crucial for diagnosing various cerebrovascular pathologies. While angiographic …

Brain morphometrics correlations with age among 352 participants imaged with both 3T and 7T MRI: 7T improves statistical power and reduces required sample size

C Chu, T Santini, JJ Liou, AD Cohen, PM Maki… - medRxiv, 2024 - medrxiv.org
Introduction Magnetic resonance imaging (MRI) at 7 Telsa (7T) has superior signal-to-noise
ratio to 3 Telsa (3T) but also presents higher signal inhomogeneities and geometric …

A Coupled Diffusion Approximation for Spatiotemporal Hemodynamic Response and Deoxygenated Blood Volume Fraction in Microcirculation

S Söderholm, S Pursiainen - papers.ssrn.com
Abstract Background and Objective: This article concerns a diffusion-based mathematical
model for analyzing blood flow and oxygen transport within the capillaries, emphasizing its …

[PDF][PDF] 5-1 超高磁場MR 構造画像に対する脳組織分離解析法

黄田育宏 - 2022 - nict.go.jp
し, 高解像度の T1 強調画像を取得できる. MRI の信号対雑音比 (Signal-to-Noise Ratio, 以下
SNR) は静磁場強度にほぼ比例して増加することが知られており, 3 テスラ MR 装置よりも 2 …