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Changes in cerebral arterial, tissue and venous oxygenation with evoked neural stimulation: implications for hemoglobin-based functional neuroimaging
Journal of Cerebral Blood Flow & Metabolism, 11/05/09
Vazquez AL et al. – The findings show that the increases in arterial PO2 contribute to the hyper–oxygenation of tissue and, mostly likely, also to the signal changes in hemoglobin–based functional imaging methods (e.g. BOLD fMRI).
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