Functional MRI of calcium‐dependent synaptic activity: cross correlation with CBF and BOLD measurements

TQ Duong, AC Silva, SP Lee… - Magnetic Resonance in …, 2000 - Wiley Online Library
Spatial specificities of the calcium‐dependent synaptic activity, hemodynamic‐based blood
oxygenation level‐dependent (BOLD) and cerebral blood flow (CBF) fMRI were …

How well do we understand the neural origins of the fMRI BOLD signal?

OJ Arthurs, S Boniface - TRENDS in Neurosciences, 2002 - cell.com
The successful use of functional magnetic resonance imaging (fMRI) as a way of visualizing
cortical function depends largely on the important relationships between the signal observed …

Manganese ion enhances T1‐weighted MRI during brain activation: An approach to direct imaging of brain function

YJ Lin, AP Koretsky - Magnetic resonance in medicine, 1997 - Wiley Online Library
Present techniques for functional MRI rely on detecting changes in hemodynamics that
result as a consequence of brain activation. It would be useful if MRI techniques could be …

Quantitative basis for neuroimaging of cortical laminae with calibrated functional MRI

P Herman, BG Sanganahalli… - Proceedings of the …, 2013 - National Acad Sciences
Layer-specific neurophysiologic, hemodynamic, and metabolic measurements are needed
to interpret high-resolution functional magnetic resonance imaging (fMRI) data in the …

Direct detection of neuronal activity with MRI: fantasy, possibility, or reality?

PA Bandettini, N Petridou, J Bodurka - Applied Magnetic Resonance, 2005 - Springer
Hemodynamic-based functional magnetic resonance imaging (fMRI) techniques have
proven to be extremely robust and sensitive methods for noninvasive detection and mapping …

The BOLD response in the rat hippocampus depends rather on local processing of signals than on the input or output activity. A combined functional MRI and …

F Angenstein, E Kammerer, H Scheich - Journal of Neuroscience, 2009 - Soc Neuroscience
Functional magnetic resonance imaging (fMRI) of the human brain is widely used in
neuroscience, but the exact relationship between measured fMRI response and the …

CBF, BOLD, CBV, and CMRO2 fMRI signal temporal dynamics at 500‐msec resolution

Q Shen, H Ren, TQ Duong - … Imaging: An Official Journal of the …, 2008 - Wiley Online Library
Purpose To investigate the temporal dynamics of blood oxygenation level‐dependent
(BOLD), cerebral blood flow (CBF), cerebral blood volume (CBV), and cerebral metabolic …

Combined imaging–histological study of cortical laminar specificity of fMRI signals

N Harel, J Lin, S Moeller, K Ugurbil, E Yacoub - Neuroimage, 2006 - Elsevier
Since the commencement of functional magnetic resonance imaging (fMRI), great effort has
been put into increasing its spatial resolution and signal specificity from vessel-weighted to …

Cerebral energetics and spiking frequency: the neurophysiological basis of fMRI

AJ Smith, H Blumenfeld, KL Behar… - Proceedings of the …, 2002 - National Acad Sciences
Functional MRI (fMRI) is widely assumed to measure neuronal activity, but no satisfactory
mechanism for this linkage has been identified. Here we derived the changes in the …

Dynamic activity‐induced manganese‐dependent contrast magnetic resonance imaging (DAIM MRI)

I Aoki, C Tanaka, T Takegami, T Ebisu… - … in Medicine: An …, 2002 - Wiley Online Library
Activity‐induced manganese‐dependent contrast (AIM) MRI is a hemodynamic‐
independent functional MRI method that used manganese ion as an MR‐detectable contrast …