The physics of functional magnetic resonance imaging (fMRI)

RB Buxton - Reports on Progress in Physics, 2013 - iopscience.iop.org
Functional magnetic resonance imaging (fMRI) is a methodology for detecting dynamic
patterns of activity in the working human brain. Although the initial discoveries that led to …

Circulatory basis of fMRI signals: relationship between changes in the hemodynamic parameters and BOLD signal intensity

A Seiyama, J Seki, HC Tanabe, I Sase, A Takatsuki… - Neuroimage, 2004 - Elsevier
Blood oxygenation level-dependent functional magnetic resonance imaging (BOLD-fMRI) is
widely used as a tool for functional brain mapping. During brain activation, increases in the …

The underpinnings of the BOLD functional magnetic resonance imaging signal

NK Logothetis - Journal of Neuroscience, 2003 - Soc Neuroscience
The good coverage and high resolution afforded by functional magnetic resonance imaging
(fMRI) make it an excellent tool for the noninvasive imaging of the human brain. Equally …

The ins and outs of fMRI signals

NK Logothetis - Nature neuroscience, 2007 - nature.com
The ins and outs of fMRI signals | Nature Neuroscience Skip to main content Thank you for
visiting nature.com. You are using a browser version with limited support for CSS. To obtain the …

Interpreting the BOLD signal

NK Logothetis, BA Wandell - Annu. Rev. Physiol., 2004 - annualreviews.org
▪ Abstract The development of functional magnetic resonance imaging (fMRI) has brought
together a broad community of scientists interested in measuring the neural basis of the …

Variability of the coupling of blood flow and oxygen metabolism responses in the brain: a problem for interpreting BOLD studies but potentially a new window on the …

RB Buxton, VEM Griffeth, AB Simon… - Frontiers in …, 2014 - frontiersin.org
Recent studies from our group and others using quantitative fMRI methods have found that
variations of the coupling ratio of blood flow (CBF) and oxygen metabolism (CMRO2) …

The roles of changes in deoxyhemoglobin concentration and regional cerebral blood volume in the fMRI BOLD signal

V Toronov, S Walker, R Gupta, JH Choi, E Gratton… - Neuroimage, 2003 - Elsevier
To study the behavior of cerebral physiological parameters and to further the understanding
of the functional magnetic resonance imaging (fMRI) blood-oxygen-level-dependent (BOLD) …

Regional differences in the coupling of cerebral blood flow and oxygen metabolism changes in response to activation: implications for BOLD-fMRI

BM Ances, O Leontiev, JE Perthen, C Liang… - Neuroimage, 2008 - Elsevier
Functional magnetic resonance imaging (fMRI) based on blood oxygenation level
dependent (BOLD) signal changes is a sensitive tool for mapping brain activation, but …

More than just summed neuronal activity: how multiple cell types shape the BOLD response

C Howarth, A Mishra, CN Hall - … Transactions of the …, 2021 - royalsocietypublishing.org
Functional neuroimaging techniques are widely applied to investigations of human cognition
and disease. The most commonly used among these is blood oxygen level-dependent …

The spatial dependence of the poststimulus undershoot as revealed by high-resolution BOLD-and CBV-weighted fMRI

E Yacoub, K Ugurbil, N Harel - Journal of cerebral blood …, 2006 - journals.sagepub.com
The hemodynamic response to neural activity consists of changes in blood flow, blood
volume and oxygen metabolism. Changes in the vascular state after sensory stimulation …