Influence of baseline hematocrit on between-subject BOLD signal change using gradient echo and asymmetric spin echo EPI

The dependence of BOLD signal change (BSC) on baseline hematocrit is in the process of being characterized, primarily using conventional Gradient Echo (GE) echo planar imaging (EPI). We describe the first empiric exploration of this relationship using, in addition to GE, Spin Echo (SE) and two Asymm...

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Veröffentlicht in:	Magnetic resonance imaging 2003-07, Vol.21 (6), p.599-607
Hauptverfasser:	Gustard, S., Williams, E.J., Hall, L.D., Pickard, J.D., Carpenter, T.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences BOLD signal Brain Mapping echo-planar imaging Echo-Planar Imaging - methods EPI Hematocrit Hemodynamics Humans Image Processing, Computer-Assisted Medical sciences Motor Cortex - blood supply Sensitivity and Specificity
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