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This study demonstrates apparent deterioration in the ability to localize sound associated with acute exposure to high altitude in ten subjects on three mountaineering expeditions. Furthermore, the auditory localization errors improved to sea level values after a period of acclimatization. Occurring at altitudes where overt neurological symptoms are not usually seen, impairment of sensory perception may explain the increase in accidental deaths associated with altitude exposure due to disorientation and misjudgment but before hypoxia is evident.

Type

Journal article

Journal

Br J Sports Med

Publication Date

09/1992

Volume

26

Pages

161 - 165

Keywords

Acclimatization, Adult, Altitude, Auditory Threshold, Humans, Male, Mountaineering, Sound Localization