Relationship of psychological and physiological parameters during an arctic ski expedition

Sheryl L. Bishop, Lukas C. Grobler, Olaf SchjØll

    Research output: Contribution to journalArticlepeer-review

    30 Scopus citations


    Considerable data (primarily physiological) have been collected during expeditions in extreme environments over the last century. Physiological measurements have only recently been examined in association with the emotional or behavioral state of the subject. Establishing this psychophysiological relationship is essential to understanding fully the adaptation of humans to the stresses of extreme environments. This pilot study investigated the simultaneous collection of physiological, psychological and behavioral data from a two-man Greenland expedition in order to model how specific relationships between physiological and psychological adaptation to a polar environment may be identified. The data collected describes changes in adrenal and other hormonal activity and psychological functioning. Levels of cortisol and testosterone were calculated. Factors influencing the plasma profiles of the aforementioned included 24-hour sunlight, high calorific intake of more than 28 000 kJ/day and extreme physical exercise. There was a difference between individual psychological profiles as well as self-report stress and physiological stress.

    Original languageEnglish (US)
    Pages (from-to)261-270
    Number of pages10
    JournalActa Astronautica
    Issue number3-10
    StatePublished - Aug 11 2001

    ASJC Scopus subject areas

    • Aerospace Engineering


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