Functional Quantitative Susceptibility Mapping in Comparison with BOLD and PET
PINAR SENAY ZBAY 1,2 , Cristina Rossi 1 , Geoffrey Warnock 3 , Klaas Paul Prssmann 2 , and Daniel Nanz 1
Institute for Diagnostic and Interventional
Radiology, University Hospital Zrich, Zrich, Zrich,
for Biomedical Engineering, University and ETH Zrich,
Zrich, Zrich, Switzerland,
Hospital Zrich, Clinic of Nuclear Medicine, Zrich,
In functional MRI, phase information as complementary
information to BOLD signal-magnitude changes have been
investigated with increasing interest in recent years.
In this study we tested to what degree Quantitative
Susceptibility Maps, derived from EPI-phase data that
were simultaneously acquired with traditional BOLD fMRI
magnitude data, reflect patterns of neuronal activation
as observed with an identical block-design
visual-stimulation paradigm in water PET and BOLD MRI
data. Observations pertinent to data processing and QSM
data are reported.
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