Coupled gGM and CSF fMRI signal time courses induced by a transient hypercapnic challenge – data from a representative subject.
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posted on 2025-04-24, 18:01 authored by Juliana Zimmermann, Clara Boudriot, Christiane Eipert, Gabriel Hoffmann, Rachel Nuttall, Viktor Neumaier, Moritz Bonhoeffer, Sebastian Schneider, Lena Schmitzer, Jan Kufer, Stephan Kaczmarz, Dennis M Hedderich, Andreas Ranft, Daniel Golkowski, Josef Priller, Claus Zimmer, Rüdiger Ilg, Gerhard Schneider, Christine Preibisch, Christian Sorg, Benedikt ZottRepresentative gGM (top, blue) and CSF fMRI signal (bottom, red) time courses. CO2 application periods are indicated in purple.
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transient global vasodilationdrove large changesdecreasing cbv allowstotal brain volumecsf largely stagnateshumans total cbv changestotal cbvmammalian brainhealthy humansassociated changesrelating cbvxlink ">sensitive signalsresults establishneuronal bursthypercapnic challengefunctional mridrive csfdirected motiondirect couplingderived measurescerebrospinal fluidbasal cisternaearterial spin
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