Rosenberg M E, Pollard A J
Department of Physiology, Medical College of St Bartholomew's Hospital, London, UK.
Br J Sports Med. 1992 Sep;26(3):161-5. doi: 10.1136/bjsm.26.3.161.
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.
本研究表明,在三次登山探险中,十名受试者急性暴露于高海拔环境时,其声音定位能力明显下降。此外,经过一段时间的适应后,听觉定位误差恢复到了海平面时的值。感觉知觉受损发生在通常不会出现明显神经症状的海拔高度,这可能解释了在缺氧明显之前,因迷失方向和判断失误导致的与高海拔暴露相关的意外死亡人数增加的原因。