Hana kai ii: a 17-day dry saturation dive at 18.6 ATA. VI: Cognitive performance, reaction time, and personality changes

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Hana kai ii: a 17-day dry saturation dive at 18.6 ATA. VI: Cognitive performance, reaction time, and personality changes

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Title: Hana kai ii: a 17-day dry saturation dive at 18.6 ATA. VI: Cognitive performance, reaction time, and personality changes
Author: O'Reilly, JP
Abstract: Measures of spatial orientation, associative memory, general intelligence, arithmetic ability, reaction time, and personal/social perceptions were administered to five subjects during a 31-day saturation exercise. Performance decrements were noted during 17 days of exposure to hyperbaric Hi-O2 at 18.6 ATA. Significant losses in general intellectual ability were noted, as well as trends toward significant losses in other cognitive tests. Reaction time and arithmetic errors increased significantly during the early testing sessions. Performance during a 3-day cold period was equivocal; arithmetic errors increased, but other measures improved or remained constant. Environmental stressors such as fatigue, anxiety, health problems, personal and social adjustment, and aspects of perceptual deprivation were considered to be influential in reducing performance effectiveness.
Description: Undersea and Hyperbaric Medical Society, Inc. (http://www.uhms.org )
URI: PMID: 910319
http://archive.rubicon-foundation.org/2795
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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