Document Detail

Changes in mood status and neurotic levels during a 20-day bed rest.
MedLine Citation:
PMID:  11924678     Owner:  NASA     Status:  MEDLINE    
This study evaluated changes of mood status and depressive and neurotic levels in nine young male subjects during a 20-day 6 degrees head-down tilting bed rest and examined whether exercise training modified these changes. Participants were asked to complete psychometrical inventories on before, during, and after the bed rest experiment. Depressive and neurotic levels were enhanced during bed rest period according to the Japanese version of Zung's Self-rating Depression Scale and the Japanese version of the General Health Questionnaire. Mood state "vigor" was impaired and "confusion" was increased during bed rest and recumbent control periods compared to pre-bed rest and ambulatory control periods according to the Japanese version of Profiles of Mood State, whereas the mood "tension-anxiety", "depression-dejection", "anger-hostility" and "fatigue" were relatively stable during experiment. Isometric exercise training did not modify these results. Microgravity, along with confinement to bed and isolation from familiar environments, induced impairment of mental status.
Yuko Ishizaki; Tatsuro Ishizaki; Hideoki Fukuoka; Chang-Sun Kim; Masayo Fujita; Yuko Maegawa; Hiroshi Fujioka; Taisaku Katsura; Yoji Suzuki; Atsuaki Gunji
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta astronautica     Volume:  50     ISSN:  0094-5765     ISO Abbreviation:  Acta Astronaut     Publication Date:  2002 Apr 
Date Detail:
Created Date:  2002-03-29     Completed Date:  2002-07-18     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9890631     Medline TA:  Acta Astronaut     Country:  England    
Other Details:
Languages:  eng     Pagination:  453-9     Citation Subset:  S    
Copyright Information:
c2002 Elsevier Science Ltd. All rights reserved.
Department of Pediatrics, Kansai Medical University, Moriguchi, Osaka 570-8506, Japan.
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MeSH Terms
Adaptation, Psychological*
Bed Rest / adverse effects
Depression / etiology*,  prevention & control
Exercise Therapy / methods*
Head-Down Tilt / adverse effects
Neurotic Disorders / etiology,  prevention & control
Stress, Psychological / etiology,  prevention & control*
Weightlessness Simulation / adverse effects*

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