MR-Based Oxygen Extraction Fraction OEF Using Spatial ICA of Breath-Hold PARSE Acquisitions.

Charles G. Cantrell¹, Rajiv G. Menon¹, Parmede Vakil¹, Sumeeth Vijay Jonathan¹, Timothy J. Carroll¹

We examined MR based OEF using spatial ICA of breath-hold PARSE acquisitions to determine the dynamic effects on brain oxygen absorbtion. Results clearly show a frontal shift in OEF during the period of induced stress followed by a return to the baseline after the stress is removed.