Tabriz University of Medical Sciences BioImpacts 2228-5652 4 2 2014 06 30 pH of soul: how does acid-base balance affect our cognition? 53 54 10.5681/bi.2014.020 EN Alireza Farnam EDITORIAL 10.5681/bi.2014.020 2014 06 30 Respiratory Alkalosis due to changes in sympathetic hyperarousal during pathological emotional states can change our cognitive abilities. This occurs through the effects of Alkalosis upon cerebral vasoconstriction and the amount of ionized calcium in the serum. The effects on our cognition and "sense of self " could be considerable.