Hana Kai II: a 17-day dry saturation dive at 18.6 ATA. VII: Auditory, visual, and gustatory sensations

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Hana Kai II: a 17-day dry saturation dive at 18.6 ATA. VII: Auditory, visual, and gustatory sensations

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Title: Hana Kai II: a 17-day dry saturation dive at 18.6 ATA. VII: Auditory, visual, and gustatory sensations
Author: O'Reilly, JP; Respicio, BL; Kurata, FK; Hayashi, EM
Abstract: Five divers were tested for alterations in auditory, visual, and gustatory functioning during a 17-day saturation exposure to He-O2 at 18.6 ATA. No evidence of permanent hearing loss was disclosed. Critical flicker fusion was not affected, but peripheral visual thresholds were significantly increased during the first two weeks at 18.6 ATA; this was interpreted to be evidence of severe psychological and physiological stress. Foveal vision was unaffected across testings. Magnitude estimation techniques disclosed changes in taste sensitivity, with sweet sensitivity increasing over time and sour sensitivity declining over the course of the dive. Subjects were more sensitive to bitter stimuli at maximum pressure than at sea level, and less sensitive to salt at maximum pressure. The results indicate that appreciable alterations in sensory functioning can occur during saturation exposures, although the sense modalities were differentially affected by such environmental stressors as pressure, psycho-social stress, fatigue, and perceptual deprivation. Adult Atmosphere Exposure Chambers Auditory Threshold *Diving Flicker Fusion Human Hyperbaric Oxygenation Male *Sensation Support, U.S. Gov't, Non-P.H.S. Taste Vision Tests
Description: Undersea and Hyperbaric Medical Society, Inc. (http://www.uhms.org )
URI: PMID: 910320
http://archive.rubicon-foundation.org/2794
Date: 1977

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  • Undersea Biomedical Research Journal
    The Undersea Baromedical Research journal was published by the Undersea Medical Society, Inc. (now the Undersea and Hyperbaric Medical Society) quarterly from 1974 to 1992 when the name changed to the Undersea and Hyperbaric Medicine Journal.

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