Document Detail

Cognitive performance over 7 days in a distressed submarine.
MedLine Citation:
PMID:  10373054     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: This article contains the results from a psychological assessment of submariners undergoing a survival trial simulating conditions in a disabled submarine. The aim was to determine whether the environmental conditions and rations in a submarine escape compartment had any detrimental effects on cognitive performance. METHODS: The study was conducted in an environmental chamber in which the temperature fell from 22 degrees C to 4.4 degrees C over 2 d and then remained at 4.4 C for 5 d. Of the 11 subjects who were given daily rations of 100 g of barley sugar and 568 ml of water (none on day 1), only 4 remained for the full trial duration. Subjects were administered 2 psychometric tests (choice reaction time and short term memory) on hand held computers. RESULTS: Results showed that subjects did not exhibit any significant performance decrements during the experimental phase of the trial. However anecdotal evidence from observations and subjects' self reports suggest that sustained performance was impaired.
G M Slaven; C M Windle
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Aviation, space, and environmental medicine     Volume:  70     ISSN:  0095-6562     ISO Abbreviation:  Aviat Space Environ Med     Publication Date:  1999 Jun 
Date Detail:
Created Date:  1999-07-23     Completed Date:  1999-07-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7501714     Medline TA:  Aviat Space Environ Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  604-8     Citation Subset:  IM; S    
Institute of Naval Medicine, Gosport, Hants, United Kingdom.
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MeSH Terms
Cognition / physiology*
Dehydration / etiology,  physiopathology,  psychology*
Great Britain
Hypothermia / etiology,  physiopathology,  prevention & control*
Military Personnel / psychology*
Psychomotor Performance / physiology*
Reaction Time
Starvation / etiology,  physiopathology,  psychology*
Submarine Medicine*
Survival / physiology,  psychology*
Time Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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