Dynamics of blood flow and oxygenation changes during brain activation: the balloon model
… in flow, oxygen extraction, and blood volume … blood volume changes during brain activation
that is consistent with tight coupling of flow and oxygen metabolism throughout the activation …
that is consistent with tight coupling of flow and oxygen metabolism throughout the activation …
Brain function and blood flow
NA Lassen, DH Ingvar, E Skinhøj - Scientific American, 1978 - JSTOR
… Early in our studies of various forms of brain activation we recognized that many of our … in
the blood flow of spe cific regions of the cortex but also an increase in the blood flow of the cere …
the blood flow of spe cific regions of the cortex but also an increase in the blood flow of the cere …
Cerebral blood flow response to functional activation
OB Paulson, SG Hasselbalch… - … Blood Flow & …, 2010 - journals.sagepub.com
… On the basis of their findings, the authors concluded that the increase in rCBF during
physiologic brain activation was not regulated by a mechanism that matches local cerebral glucose …
physiologic brain activation was not regulated by a mechanism that matches local cerebral glucose …
Changes in global cerebral blood flow in humans: effect on regional cerebral blood flow during a neural activation task.
… changes in total blood flow. If our results with respect to visual activation are representative
of other cortical areas, then studies on areas in the brain activated by C02 inhalation (eg any …
of other cortical areas, then studies on areas in the brain activated by C02 inhalation (eg any …
Characterization of cerebral blood oxygenation and flow changes during prolonged brain activation
PA Bandettini, KK Kwong, TL Davis… - Human brain …, 1997 - Wiley Online Library
… Abstract: The behavior of cerebral blood flow and oxygenation during prolonged brain
activation was studied using magnetic resonance imaging (MRI) sensitized to flow and …
activation was studied using magnetic resonance imaging (MRI) sensitized to flow and …
Brain or vein oxygenation or flow? On signal physiology in functional MRI of human brain activation
J Frahm, KD Merboldt, W Hänicke… - NMR in …, 1994 - Wiley Online Library
… Use of spatial presaturation in functional MRI of visual stimulation to preclude contributions
from changes of blood flow to activation maps based on difference signals. (a) Anatomic T,-…
from changes of blood flow to activation maps based on difference signals. (a) Anatomic T,-…
Simultaneous MRI acquisition of blood volume, blood flow, and blood oxygenation information during brain activation
… different aspects of brain activity would be a valuable tool for functional brain-imaging …
blood volume, blood flow, and blood oxygenation, respectively, associated with brain activation. …
blood volume, blood flow, and blood oxygenation, respectively, associated with brain activation. …
A model of the dynamic relationship between blood flow and volume changes during brain activation
… between changes in cerebral blood flow (CBF) and cerebral blood volume (CBV) is … to
activation, particularly in the context of magnetic resonance imaging and the blood oxygen level–…
activation, particularly in the context of magnetic resonance imaging and the blood oxygen level–…
Effect of stepped hypoglycemia on regional cerebral blood flow response to physiological brain activation
WJ Powers, IB Hirsch, PE Cryer - American Journal of …, 1996 - journals.physiology.org
… demonstrated that regional blood-to-brain glucose transport is … is possible that the regional
blood-to-brain transport of glucose … brain activation. We found no further increase in the rCBF …
blood-to-brain transport of glucose … brain activation. We found no further increase in the rCBF …
Modeling the hemodynamic response to brain activation
… brain activation. Following increased neural activity in the brain, the local cerebral blood flow
(… 2 ), and as a result E decreases with activation (Fox and Raichle, 1986). Because the local …
(… 2 ), and as a result E decreases with activation (Fox and Raichle, 1986). Because the local …
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