Fig. 1
From: Relationship between cognitive function and regulation of cerebral blood flow
(Modified from Ogoh et al., Physiol Rep, 2014)
Despite a decrease in the mean blood flow velocity in the middle cerebral artery (MCA V mean), the reaction time of the Stroop test gradually decreased during prolonged exercise (50Â min), indicating that cognitive function improves. In addition, the hypercapnia-induced increase in MCA V mean did not alter the reaction time at rest or during exercise [51]