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 …
patterns of activity in the working human brain. Although the initial discoveries that led to …
Characterization of the hemodynamic response function across the majority of human cerebral cortex
Abstract A brief (< 4 s) period of neural activation evokes a stereotypical sequence of
vascular and metabolic events to create the hemodynamic response function (HRF) …
vascular and metabolic events to create the hemodynamic response function (HRF) …
Synchronized delta oscillations correlate with the resting-state functional MRI signal
Synchronized low-frequency spontaneous fluctuations of the functional MRI (fMRI) signal
have recently been applied to investigate large-scale neuronal networks of the brain in the …
have recently been applied to investigate large-scale neuronal networks of the brain in the …
Glutamatergic function in the resting awake human brain is supported by uniformly high oxidative energy
F Hyder, RK Fulbright, RG Shulman… - Journal of Cerebral …, 2013 - journals.sagepub.com
Rodent 13C magnetic resonance spectroscopy studies show that glutamatergic signaling
requires high oxidative energy in the awake resting state and allowed calibration of …
requires high oxidative energy in the awake resting state and allowed calibration of …
Quantitative measurement of cerebral physiology using respiratory-calibrated MRI
Functional magnetic resonance imaging typically measures signal increases arising from
changes in the transverse relaxation rate over small regions of the brain and associates …
changes in the transverse relaxation rate over small regions of the brain and associates …
Baseline brain energy supports the state of consciousness
RG Shulman, F Hyder… - Proceedings of the …, 2009 - National Acad Sciences
An individual, human or animal, is defined to be in a conscious state empirically by the
behavioral ability to respond meaningfully to stimuli, whereas the loss of consciousness is …
behavioral ability to respond meaningfully to stimuli, whereas the loss of consciousness is …
A model of the coupling between brain electrical activity, metabolism, and hemodynamics: application to the interpretation of functional neuroimaging
A Aubert, R Costalat - Neuroimage, 2002 - Elsevier
In order to improve the interpretation of functional neuroimaging data, we implemented a
mathematical model of the coupling between membrane ionic currents, energy metabolism …
mathematical model of the coupling between membrane ionic currents, energy metabolism …
On the nature of the BOLD fMRI contrast mechanism
NK Logothetis, J Pfeuffer - Magnetic resonance imaging, 2004 - Elsevier
Since its development about 15 years ago, functional magnetic resonance imaging (fMRI)
has become the leading research tool for mapping brain activity. The technique works by …
has become the leading research tool for mapping brain activity. The technique works by …
Functional MRI of calcium‐dependent synaptic activity: cross correlation with CBF and BOLD measurements
Spatial specificities of the calcium‐dependent synaptic activity, hemodynamic‐based blood
oxygenation level‐dependent (BOLD) and cerebral blood flow (CBF) fMRI were …
oxygenation level‐dependent (BOLD) and cerebral blood flow (CBF) fMRI were …
Quantitative fMRI and oxidative neuroenergetics
F Hyder, DL Rothman - Neuroimage, 2012 - Elsevier
The discovery of functional magnetic resonance imaging (fMRI) has greatly impacted
neuroscience. The blood oxygenation level-dependent (BOLD) signal, using …
neuroscience. The blood oxygenation level-dependent (BOLD) signal, using …