Effects of carbon dioxide inhalation on psychomotor and mental performance during exercise and recovery

    Authors

    M. Vercruyssen; E. Kamon;P. A. Hancock

    Comments

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    Abbreviated Journal Title

    Int. J. Occup. Saf. Ergon.

    Keywords

    carbon dioxide; behavioral toxicology; SCBA; cognition; motor; performance; psychomotor performance; OCEAN UNDERWATER ENVIRONMENT; COGNITIVE PERFORMANCE; TASK-PERFORMANCE; VENTILATORY RESPONSE; MOTOR-PERFORMANCE; SATURATION DIVE; SLEEP QUALITY; CO2; STABILOMETER; PERSONALITY; Ergonomics; Public, Environmental & Occupational Health

    Abstract

    On separate days, 6 highly trained participants performed psychomotor tests while breathing for 60 min 3 carbon dioxide (CO2) mixtures (room air, 3% CO2, or 4% CO2) prior to, between, and following two 15-min treadmill exercise bouts (70% VO2max). Each individual was extensively practiced (at least 4 days) before testing began, and both gas conditions and order of tasks were counterbalanced. Results showed physiological reactions and work-related psychomotor effects, but no effects of gas concentration on addition, multiplication, grammatical reasoning, or dynamic postural balance. These findings help define behavioral toxicity levels and support a re-evaluation of existing standards for the maximum allowable concentrations (also emergency and continuous exposure guidance levels) of CO2. This research explored the selection of psychometric instruments of sufficient sensitivity and reliability to detect subtle changes in performance caused by exposure to low levels of environmental stress, in this case differential levels Of CO2 in the inspired air.

    Journal Title

    International Journal of Occupational Safety and Ergonomics

    Volume

    13

    Issue/Number

    1

    Publication Date

    1-1-2007

    Document Type

    Article

    Language

    English

    First Page

    15

    Last Page

    27

    WOS Identifier

    WOS:000245067600002

    ISSN

    1080-3548

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