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Common carotid artery occlusion without causing stroke—CO2 and forepaw functional magnetic resonance imaging (fMRI) responses in the primary forepaw somatosensory cortices (n = 8). (A) Group-average baseline CBF and ΔCBF associated with CO2 challenge and forepaw stimulation. (B) Group-average normalized BOLD and ΔBOLD associated with CO2 challenge and forepaw stimulation.
