Deutsch
 
Hilfe Datenschutzhinweis Impressum
  DetailsucheBrowse

Datensatz

DATENSATZ AKTIONENEXPORT
  Extravascular BOLD Effect for Different Size Blood Vessels Over a Large Range of Magnetic Fields

Uludag, K., Müller-Bierl, B., & Ugurbil, K. (2007). Extravascular BOLD Effect for Different Size Blood Vessels Over a Large Range of Magnetic Fields. Poster presented at 2007 Joint Annual Meeting ISMRM-ESMRMB, Berlin, Germany.

Item is

Externe Referenzen

einblenden:

Urheber

einblenden:
ausblenden:
 Urheber:
Uludag, K1, Autor           
Müller-Bierl, BM1, Autor           
Ugurbil, K, Autor
Affiliations:
1Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              

Inhalt

einblenden:
ausblenden:
Schlagwörter: -
 Zusammenfassung: The blood oxygenation level dependent (BOLD) signal depends on physiological changes which affect the signal behavior of protons both in the intra- and extravascular tissue space. The functional dependency of the extravascular signal on the oxygenation fraction Y and on cerebral blood volume (CBV) can currently only be evaluated by numerical simulations. We provide analytical expressions for relaxation rates R2* and R2 depending on Y, B0 up to 9.4 T, and CBV for different size cylinders (approx. 3, 6, 20 μm). These results allow to model stimulus evoked BOLD signal changes for GRE and SE at different field strengths.

Details

einblenden:
ausblenden:
Sprache(n):
 Datum: 2007-05
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: URI: http://www.ismrm.org/07/
BibTex Citekey: 4474
 Art des Abschluß: -

Veranstaltung

einblenden:
ausblenden:
Titel: 2007 Joint Annual Meeting ISMRM-ESMRMB
Veranstaltungsort: Berlin, Germany
Start-/Enddatum: -

Entscheidung

einblenden:

Projektinformation

einblenden:

Quelle

einblenden: