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Abstract #0637

Submillimeter Arterial Blood Contrast fMRI at 7T

Nikos Priovoulos1, Icaro Agenor Ferreira de Oliveira1, Benedikt Poser2, David G Norris3,4, and Wietske van der Zwaag1
1Spinoza Center, Amsterdam, Netherlands, 2Maastricht University, Maastricht, Netherlands, 3Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen, Nijmegen, Netherlands, 4Erwin L. Hahn Institute for MRI, University of Duisburg-Essen, Essen, Germany

BOLD-fMRI has transformed human neuroscience, but is limited in its spatial specificity compared to cerebral blood-volume approaches. Arterial-Blood-Contrast was recently suggested as a cerebral-blood-volume method based on Magnetization transfer. Here, we apply Arterial-Blood-Contrast in the SAR-constrained 7T environment and examine its submillimeter usage. The results suggest good localization compared to BOLD and high-sensitivity.

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