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Dataset10.1037/e445032005-001

Speech motor control and the development of acute mountain sickness

A. Cymerman,Philip Lieberman,Jesse Hochstadt,Paul Rock,G. E. Butterfield,Lorna G. Moore-1999-01-01-PsycEXTRA Dataset
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TL;DRAbstract

Abstract : 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 simulated exposure to 4,300 m altitude. AMS-C was assessed twice daily using the Environmental Symptoms Questionnaire (ESQ-C). Speech motor control was determined from digitally recorded timing patterns of 60 monosyllabic words, representing three places of articulation (labial, alveolar, and velar) and further categorized as voiced or unvoiced.

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Abstract : 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 simulated exposure to 4,300 m altitude. AMS-C was assessed twice daily using the Environmental Symptoms Questionnaire (ESQ-C). Speech motor control was determined from digitally recorded timing patterns of 60 monosyllabic words, representing three places of articulation (labial, alveolar, and velar) and further categorized as voiced or unvoiced.

Keywords

Control (management)Speech recognitionPhysical medicine and rehabilitationAudiologyPsychologyComputer scienceMedicineArtificial intelligence

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