Localized dynamic changes in cortical blood flow with whisker stimulation corresponds to matched vascular and neuronal architecture of rat barrels

SB Cox, TA Woolsey… - Journal of Cerebral Blood …, 1993 - journals.sagepub.com
The hypothesis that functional groups of neurons in whisker barrels are linked to a modular
organization of cortical vessels was tested. Endovascular casts demonstrated cortical …

Neuronal units linked to microvascular modules in cerebral cortex: response elements for imaging the brain

TA Woolsey, CM Rovainen, SB Cox… - Cerebral …, 1996 - academic.oup.com
How neuronal activity changes cerebral blood flow is of biological and practical importance.
The rodent whisker-barrel system has special merits as a model for studies of changes in …

Fine detail of neurovascular coupling revealed by spatiotemporal analysis of the hemodynamic response to single whisker stimulation in rat barrel cortex

J Berwick, D Johnston, M Jones… - Journal of …, 2008 - journals.physiology.org
The spatial resolution of hemodynamic-based neuroimaging techniques, including
functional magnetic resonance imaging, is limited by the degree to which neurons regulate …

Neurovascular coupling investigated with two‐dimensional optical imaging spectroscopy in rat whisker barrel cortex

J Berwick, D Johnston, M Jones… - European Journal of …, 2005 - Wiley Online Library
Optical imaging slit spectroscopy is a powerful method for estimating quantitative changes in
cerebral haemodynamics, such as deoxyhaemoglobin, oxyhaemoglobin and blood volume …

Regional cerebral blood flow responses to variable frequency whisker stimulation: an autoradiographic analysis

RJ Gerrits, C Raczynski, AS Greene, EA Stein - Brain research, 2000 - Elsevier
Activation of the rat primary somatosensory barrel field (S1BF) is a commonly used model to
study the mechanisms of evoked coupled cortical blood flow changes. However, the …

Pyramidal neurons are “neurogenic hubs” in the neurovascular coupling response to whisker stimulation

C Lecrux, X Toussay, A Kocharyan… - Journal of …, 2011 - Soc Neuroscience
The whisker-to-barrel cortex is widely used to study neurovascular coupling, but the cellular
basis that underlies the perfusion changes is still largely unknown. Here, we identified …

Whisker stimulation enhances angiogenesis in the barrel cortex following focal ischemia in mice

VR Whitaker, L Cui, S Miller, SP Yu… - Journal of Cerebral …, 2007 - journals.sagepub.com
Post-ischemia angiogenesis and vascular plasticity help to restore blood flow to ischemic
tissue and likely benefit long-term functional recovery. Physical activity has been shown to …

Early and late stimulus-evoked cortical hemodynamic responses provide insight into the neurogenic nature of neurovascular coupling

AJ Kennerley, S Harris… - Journal of Cerebral …, 2012 - journals.sagepub.com
Understanding neurovascular coupling is a prerequisite for the interpretation of results
obtained from modern neuroimaging techniques. This study investigated the hemodynamic …

Ministrokes in rat barrel cortex

L Wei, CM Rovainen, TA Woolsey - Stroke, 1995 - Am Heart Assoc
Background and Purpose Many stroke models in rats are based on occlusion of the middle
cerebral artery, which supplies a significant portion of multifunctional cortical and deep …

Impact of altered cholinergic tones on the neurovascular coupling response to whisker stimulation

C Lecrux, CH Sandoe, S Neupane, P Kropf… - Journal of …, 2017 - Soc Neuroscience
Brain imaging techniques that use vascular signals to map changes in neuronal activity rely
on the coupling between electrophysiology and hemodynamics, a phenomenon referred to …