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The physics of functional magnetic resonance imaging (fMRI)
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 …
The relationship between MEG and fMRI
In recent years functional neuroimaging techniques such as fMRI, MEG, EEG and PET have
provided researchers with a wealth of information on human brain function. However none …
provided researchers with a wealth of information on human brain function. However none …
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 …
BOLD signal physiology: models and applications
The BOLD contrast mechanism has a complex relationship with functional brain activity,
oxygen metabolism, and neurovascular factors. Accurate interpretation of the BOLD signal …
oxygen metabolism, and neurovascular factors. Accurate interpretation of the BOLD signal …
A review of calibrated blood oxygenation level‐dependent (BOLD) methods for the measurement of task‐induced changes in brain oxygen metabolism
The dynamics of the blood oxygenation level‐dependent (BOLD) response are dependent
on changes in cerebral blood flow, cerebral blood volume and the cerebral metabolic rate of …
on changes in cerebral blood flow, cerebral blood volume and the cerebral metabolic rate of …
[HTML][HTML] Evidence that the negative BOLD response is neuronal in origin: a simultaneous EEG–BOLD–CBF study in humans
Unambiguous interpretation of changes in the BOLD signal is challenging because of the
complex neurovascular coupling that translates changes in neuronal activity into the …
complex neurovascular coupling that translates changes in neuronal activity into the …
Magnetic resonance imaging of resting OEF and CMRO2 using a generalized calibration model for hypercapnia and hyperoxia
We present a method allowing determination of resting cerebral oxygen metabolism
(CMRO2) from MRI and end-tidal O2 measurements acquired during a pair of respiratory …
(CMRO2) from MRI and end-tidal O2 measurements acquired during a pair of respiratory …
[HTML][HTML] Vascular physiology drives functional brain networks
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 …
functional brain networks. Using concurrent neuronal and vascular stimuli, we collected 30 …
Age dependence of hemodynamic response characteristics in human functional magnetic resonance imaging
Functional magnetic resonance imaging (fMRI) studies of cognitive aging have generally
compared the amplitude and extent of blood oxygen level-dependent (BOLD) signal …
compared the amplitude and extent of blood oxygen level-dependent (BOLD) signal …
Calibrated fMRI
Functional magnetic resonance imaging with blood oxygenation level-dependent (BOLD)
contrast has had a tremendous influence on human neuroscience in the last twenty years …
contrast has had a tremendous influence on human neuroscience in the last twenty years …