Spatial extent of oxygen metabolism and hemodynamic changes during functional activation of the rat somatosensory cortex

AK Dunn, A Devor, AM Dale, DA Boas - Neuroimage, 2005 - Elsevier
The spatial extent of the changes in oxy-hemoglobin (HbO), deoxy-hemoglobin (HbR), total
hemoglobin concentration (HbT), cerebral blood flow (CBF), and the cerebral metabolic rate …

Laser speckle flowmetry for the study of cerebrovascular physiology in normal and ischemic mouse cortex

C Ayata, AK Dunn, Y Gursoy-Özdemir… - Journal of Cerebral …, 2004 - journals.sagepub.com
Laser speckle flowmetry (LSF) is useful to assess noninvasively two-dimensional cerebral
blood flow (CBF) with high temporal and spatial resolution. The authors show that LSF can …

Frontiers in optical imaging of cerebral blood flow and metabolism

A Devor, S Sakadžić, VJ Srinivasan… - Journal of Cerebral …, 2012 - journals.sagepub.com
In vivo optical imaging of cerebral blood flow (CBF) and metabolism did not exist 50 years
ago. While point optical fluorescence and absorption measurements of cellular metabolism …

[图书][B] Handbook of optical sensing of glucose in biological fluids and tissues

VV Tuchin - 2008 - taylorfrancis.com
Although noninvasive, continuous monitoring of glucose concentration in blood and tissues
is one of the most challenging areas in medicine, a wide range of optical techniques has …

Stimulus-induced changes in blood flow and 2-deoxyglucose uptake dissociate in ipsilateral somatosensory cortex

A Devor, EMC Hillman, P Tian, C Waeber… - Journal of …, 2008 - Soc Neuroscience
The present study addresses the relationship between blood flow and glucose consumption
in rat primary somatosensory cortex (SI) in vivo. We examined bilateral neuronal and …

High-speed vascular dynamics of the hemodynamic response

BR Chen, MB Bouchard, AFH McCaslin, SA Burgess… - Neuroimage, 2011 - Elsevier
While a range of cellular mechanisms have been proposed to underlie control of
neurovascular coupling, a comprehensive, reconciliatory model has yet to be determined …

[HTML][HTML] Existence of initial dip for BCI: an illusion or reality

KS Hong, A Zafar - Frontiers in neurorobotics, 2018 - frontiersin.org
A tight coupling between the neuronal activity and the cerebral blood flow (CBF) is the
motivation of many hemodynamic response (HR)-based neuroimaging modalities. The …

Spatiotemporal quantification of cerebral blood flow during functional activation in rat somatosensory cortex using laser-speckle flowmetry

T Durduran, MG Burnett, G Yu, C Zhou… - Journal of Cerebral …, 2004 - journals.sagepub.com
Laser-speckle flowmetry was used to characterize activation flow coupling after electrical
somatosensory stimulation of forepaw and hindpaw in the rat. Quantification of functional …

Intrinsic optical signal imaging of neocortical seizures: the 'epileptic dip'

S Bahar, M Suh, M Zhao, TH Schwartz - Neuroreport, 2006 - journals.lww.com
Focal neocortical seizures, induced by injection of 4-aminopyridine, were imaged in the rat
neocortex using the intrinsic optical signal, with incident light at various wavelengths. We …

Simultaneous multispectral reflectance imaging and laser speckle flowmetry of cerebral blood flow and oxygen metabolism in focal cerebral ischemia

PB Jones, HK Shin, DA Boas… - … of biomedical optics, 2008 - spiedigitallibrary.org
Real-time investigation of cerebral blood flow (CBF), and oxy-and deoxyhemoglobin
concentration (HbO, HbR) dynamics has been difficult until recently due to limited spatial …