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A near-infrared spectrophotometric method for studying brain O2 sufficiency in man during +Gz acceleration
Aviation Space and Environmental Medicine
A technique for the noninvasive monitoring of cerebral oxygen status was evaluated on volunteer subjects on the USAF School of Aerospace Medicine centrifuge. By using multiwavelength near-infrared spectrophotometry, the instrumentation measured changes in the quantities of reduced and oxygenated hemoglobin (and their sum, an indicator of cerebral blood volume), and the quantity of oxidized cytochrome c oxidase within the forebrain. Tests used acceleration of up to 9 G with onset rates from 0.1pmid:2833216 fatcat:5udn2hrxurcrzdlx2wqsky7toy