Cerebrovascular reactivity mapping without gas challenges: a methodological guide

J Pinto, MG Bright, DP Bulte, P Figueiredo - Frontiers in Physiology, 2021 - frontiersin.org
Cerebrovascular reactivity (CVR) is defined as the ability of vessels to alter their caliber in
response to vasoactive factors, by means of dilating or constricting, in order to increase or …

Resting‐State fMRI: Emerging Concepts for Future Clinical Application

S Amemiya, H Takao, O Abe - Journal of Magnetic Resonance …, 2024 - Wiley Online Library
Resting‐state functional magnetic resonance imaging (rsfMRI) has been developed as a
method of investigating spontaneous neural activity. Based on its low‐frequency signal …

Enhancing classification accuracy of fNIRS-BCI using features acquired from vector-based phase analysis

H Nazeer, N Naseer, RA Khan, FM Noori… - Journal of Neural …, 2020 - iopscience.iop.org
Objective. In this paper, a novel methodology for feature extraction to enhance classification
accuracy of functional near-infrared spectroscopy (fNIRS)-based two-class and three-class …

Acute single channel EEG predictors of cognitive function after stroke

A Aminov, JM Rogers, SJ Johnstone, S Middleton… - PloS one, 2017 - journals.plos.org
Background Early and accurate identification of factors that predict post-stroke cognitive
outcome is important to set realistic targets for rehabilitation and to guide patients and their …

Coupling between cerebrovascular oscillations and CSF flow fluctuations during wakefulness: An fMRI study

HC Yang, B Inglis, TM Talavage… - Journal of Cerebral …, 2022 - journals.sagepub.com
It is commonly believed that cerebrospinal fluid (CSF) movement is facilitated by blood
vessel wall movements (ie, hemodynamic oscillations) in the brain. A coherent pattern of low …

[HTML][HTML] A practical modification to a resting state fMRI protocol for improved characterization of cerebrovascular function

RC Stickland, KM Zvolanek, S Moia, A Ayyagari… - Neuroimage, 2021 - Elsevier
Cerebrovascular reactivity (CVR), defined here as the Blood Oxygenation Level Dependent
(BOLD) response to a CO 2 pressure change, is a useful metric of cerebrovascular function …

[HTML][HTML] Hemodynamic timing in resting-state and breathing-task BOLD fMRI

J Gong, RC Stickland, MG Bright - NeuroImage, 2023 - Elsevier
The blood flow response to a vasoactive stimulus demonstrates regional heterogeneity
across both the healthy brain and in cerebrovascular pathology. The timing of a regional …

Hyperpolarized 129Xe Time-of-Flight MR Imaging of Perfusion and Brain Function

Y Shepelytskyi, FT Hane, V Grynko, T Li, A Hassan… - Diagnostics, 2020 - mdpi.com
Perfusion measurements can provide vital information about the homeostasis of an organ
and can therefore be used as biomarkers to diagnose a variety of cardiovascular, renal, and …

Non-invasive monitoring of longitudinal changes in cerebral hemodynamics in acute ischemic stroke using BOLD signal delay

AA Khalil, K Villringer, V Filleböck… - Journal of Cerebral …, 2020 - journals.sagepub.com
Relative delays in blood-oxygen-level-dependent (BOLD) signal oscillations can be used to
assess cerebral perfusion without using contrast agents. However, little is currently known …

A resilient, non-neuronal source of the spatiotemporal lag structure detected by BOLD signal-based blood flow tracking

T Aso, G Jiang, S Urayama, H Fukuyama - Frontiers in neuroscience, 2017 - frontiersin.org
Recent evidence has suggested that blood oxygenation level-dependent (BOLD) signals
convey information about brain circulation via low frequency oscillation of systemic origin …