Vascular density and distribution in neocortex

F Schmid, MJP Barrett, P Jenny, B Weber - Neuroimage, 2019‏ - Elsevier
An amazingly wide range of complex behavior emerges from the cerebral cortex. Much of
the information processing that leads to these behaviors is performed in neocortical circuits …

The effects of transit time heterogeneity on brain oxygenation during rest and functional activation

PM Rasmussen, SN Jespersen… - Journal of Cerebral …, 2015‏ - journals.sagepub.com
The interpretation of regional blood flow and blood oxygenation changes during functional
activation has evolved from the concept of 'neurovascular coupling', and hence the …

A quantitative model for human neurovascular coupling with translated mechanisms from animals

S Sten, H Podéus, N Sundqvist, F Elinder… - PLOS Computational …, 2023‏ - journals.plos.org
Neurons regulate the activity of blood vessels through the neurovascular coupling (NVC). A
detailed understanding of the NVC is critical for understanding data from functional imaging …

A phenomenological model of proton FLASH oxygen depletion effects depending on tissue vasculature and oxygen supply

W Zou, H Kim, ES Diffenderfer, DJ Carlson… - Frontiers in …, 2022‏ - frontiersin.org
Introduction Radiation-induced oxygen depletion in tissue is assumed as a contributor to the
FLASH sparing effects. In this study, we simulated the heterogeneous oxygen depletion in …

Measurement of blood–brain barrier water exchange rate using diffusion‐prepared and multi‐echo arterial spin labelling: Comparison of quantitative values and age …

CA Morgan, DL Thomas, X Shao, A Mahroo… - NMR in …, 2024‏ - Wiley Online Library
Water exchange rate (Kw) across the blood–brain barrier (BBB) is an important
physiological parameter that may provide new insight into ageing and neurodegenerative …

[HTML][HTML] Parameter quantification for oxygen transport in the human brain

Y Bing, TI Józsa, SJ Payne - Computer Methods and Programs in …, 2024‏ - Elsevier
Background and objective: Oxygen is carried to the brain by blood flow through generations
of vessels across a wide range of length scales. This multi-scale nature of blood flow and …

Mathematical methods for modeling the microcirculation

JC Arciero, P Causin, F Malgaroli - AIMS BIOPHYSICS, 2017‏ - air.unimi.it
The microcirculation plays a major role in maintaining homeostasis in the body. Alterations
or dysfunctions of the microcirculation can lead to several types of serious diseases. It is not …

Improving estimates of the cerebral metabolic rate of oxygen from optical imaging data

MJP Barrett, V Suresh - Neuroimage, 2015‏ - Elsevier
The cerebral metabolic rate of oxygen (CMRO 2) is an important measure of brain function.
Since it is challenging to measure directly, especially dynamically, a number of …

Develo** transmission line equations of oxygen transport for predicting oxygen distribution in the arterial system

F Yan, WT Jiang, Z Xu, QY Wang, YB Fan, M Zhang - Scientific reports, 2018‏ - nature.com
The oxygen content in the arterial system plays a significant role in determining the
physiological status of a human body. Understanding the oxygen concentration distribution …

Development of a mathematical model to estimate intra-tumor oxygen concentrations through multi-parametric imaging

CW Lee, KM Stantz - BioMedical Engineering OnLine, 2016‏ - Springer
Background Tumor hypoxia is involved in every stage of solid tumor development: formation,
progression, metastasis, and apoptosis. Two types of hypoxia exist in tumors—chronic …