Wireless Monitoring of Changes in Crew Relations during Long-Duration Mission Simulation

Bernd Johannes, Alexej S Sitev, Alla G Vinokhodova, Vyacheslav P Salnitski, Eduard G Savchenko, Anna E Artyukhova, Yuri A Bubeev, Boris V Morukov, Carole Tafforin, Mathias Basner, David F Dinges and Jörn Rittweger

PLOS ONE, 2015, vol. 10, issue 8, 1-19

Abstract: Group structure and cohesion along with their changes over time play an important role in the success of missions where crew members spend prolonged periods of time under conditions of isolation and confinement. Therefore, an objective system for unobtrusive monitoring of crew cohesion and possible individual stress reactions is of high interest. For this purpose, an experimental wireless group structure (WLGS) monitoring system integrated into a mobile psychophysiological system was developed. In the presented study the WLGS module was evaluated separately in six male subjects (27–38 years old) participating in a 520-day simulated mission to Mars. Two days per week, each crew member wore a small sensor that registered the presence and distance of the sensors either worn by the other subjects or strategically placed throughout the isolation facility. The registration between two sensors was on average 91.0% in accordance. A correspondence of 95.7% with the survey video on day 475 confirmed external reliability. An integrated score of the “crew relation time index” was calculated and analyzed over time. Correlation analyses of a sociometric questionnaire (r = .35-.55, p

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0134814

DOI: 10.1371/journal.pone.0134814

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