Disturbances in cognition and speech motor control have been associated with high-altitude exposure and may involve selective hypoxic vulnerability of specific brain areas. Given the cerebral origin of AMS, we hypothesized that speech motor control as determined by voice onset timing (VOT) would be an objective measure of AMS. Fifteen women (24.7 +/-1.8 yrs) were studied at sea level and after 4 and 39 h of ...
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