Highs and lows of hyperoxia: physiological, performance, and clinical aspects

JV Brugniaux, GB Coombs, OF Barak… - American Journal …, 2018 - journals.physiology.org
Molecular oxygen (O2) is a vital element in human survival and plays a major role in a
diverse range of biological and physiological processes. Although normobaric hyperoxia …

Variability of physiological brain perfusion in healthy subjects–A systematic review of modifiers. Considerations for multi-center ASL studies

P Clement, HJ Mutsaerts, L Václavů… - Journal of Cerebral …, 2018 - journals.sagepub.com
Quantitative measurements of brain perfusion are influenced by perfusion-modifiers.
Standardization of measurement conditions and correction for important modifiers is …

Cerebrovascular and blood–brain barrier impairments in Huntington's disease: potential implications for its pathophysiology

J Drouin‐Ouellet, SJ Sawiak, G Cisbani… - Annals of …, 2015 - Wiley Online Library
Objective Although the underlying cause of Huntington's disease (HD) is well established,
the actual pathophysiological processes involved remain to be fully elucidated. In other …

[HTML][HTML] Vascular physiology drives functional brain networks

MG Bright, JR Whittaker, ID Driver, K Murphy - NeuroImage, 2020 - Elsevier
We present the first evidence for vascular regulation driving fMRI signals in specific
functional brain networks. Using concurrent neuronal and vascular stimuli, we collected 30 …

Multiparametric measurement of cerebral physiology using calibrated fMRI

MG Bright, PL Croal, NP Blockley, DP Bulte - Neuroimage, 2019 - Elsevier
The ultimate goal of calibrated fMRI is the quantitative imaging of oxygen metabolism
(CMRO 2), and this has been the focus of numerous methods and approaches. However …

Searching for a truly “iso-metabolic” gas challenge in physiological MRI

SL Peng, H Ravi, M Sheng… - Journal of Cerebral …, 2017 - journals.sagepub.com
Hypercapnia challenge (eg inhalation of CO2) has been used in calibrated fMRI as well as
in the mapping of vascular reactivity in cerebrovascular diseases. An important assumption …

[HTML][HTML] Sources of systematic error in calibrated BOLD based mapping of baseline oxygen extraction fraction

NP Blockley, VEM Griffeth, AJ Stone, HV Hare… - Neuroimage, 2015 - Elsevier
Recently a new class of calibrated blood oxygen level dependent (BOLD) functional
magnetic resonance imaging (MRI) methods were introduced to quantitatively measure the …

Meta‐analytic evidence for downregulation of the amygdala during working memory maintenance

LD de Voogd, EJ Hermans - Human Brain Mapping, 2022 - Wiley Online Library
The amygdala is a region critically implicated in affective processes. Downregulation of the
amygdala is one of the hallmarks of successful emotion regulation. Top‐down inhibition of …

Gas-free calibrated fMRI with a correction for vessel-size sensitivity

AJL Berman, EL Mazerolle, ME MacDonald… - Neuroimage, 2018 - Elsevier
Calibrated functional magnetic resonance imaging (fMRI) is a method to independently
measure the metabolic and hemodynamic contributions to the blood oxygenation level …

The impact of hyperoxia on brain activity: A resting-state and task-evoked electroencephalography (EEG) study

M Sheng, P Liu, D Mao, Y Ge, H Lu - PloS one, 2017 - journals.plos.org
A better understanding of the effect of oxygen on brain electrophysiological activity may
provide a more mechanistic insight into clinical studies that use oxygen treatment in …