Sources of systematic bias in hypercapnia-calibrated functional MRI estimation of oxygen metabolism.

The change in cerebral rate of oxidative metabolism (CMR(O(2))) during neural activation may be estimated from blood oxygenation level-dependent (BOLD) functional magnetic resonance imaging (fMRI) and arterial spin-labeling (ASL) fMRI measurements. The established method relies on an epoch of iso-me...

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Autori principali: Chiarelli, P, Bulte, D, Piechnik, S, Jezzard, P
Natura: Journal article
Lingua:English
Pubblicazione: 2007