Abstract The research explored the effects of 45-day -6° head-down bed rest (HDBR) simulation of microgravity on the time-based prospective memory (PM) with 16 males. The time-based prospective memory task was performed on the 2nd day before HDBR, on the 11th, 20th, 32nd, and 40th days during HDBR, and on the 8th day after HDBR, and subjects' anxiety and depression feelings were recorded simultaneously using Beck Anxiety Inventory (BAI) and Beck Depression Inventory (BDI). The results demonstrated that it showed decreased accuracy of PM responses and frequency of clock checks during and after bed rest; long term bed rest did not induce significant emotional changes. The deficit of prospective memory performance induced by long term HDBR may result from a lack of aerobic physical activity or changes in the prefrontal cortex, but it remains to be determined.

    Highlights ► There was decreased accuracy of PM responses during and after HDBR. ► Decreased frequency of clock monitoring was found during and after HDBR. ► HDBR did not induce significant emotional changes.


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    Titel :

    Effects of 45-day -6° head-down bed rest on the time-based prospective memory


    Beteiligte:
    Chen, SiYi (Autor:in) / Zhou, RenLai (Autor:in) / Xiu, LiChao (Autor:in) / Chen, ShanGuang (Autor:in) / Chen, XiaoPing (Autor:in) / Tan, Cheng (Autor:in)

    Erschienen in:

    Acta Astronautica ; 84 ; 81-87


    Erscheinungsdatum :

    2012-10-31


    Format / Umfang :

    7 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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