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Effect of 45-Day −6° Head-Down Bed Rest on Cooperation and Aggression.

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Title: Effect of 45-Day −6° Head-Down Bed Rest on Cooperation and Aggression.
Authors: Wang, Yun, Zhou, Yuan, Rao, Li‐Lin, Zheng, Rui, Liang, Zhu‐Yuan, Chen, Xiao‐Ping, Tan, Cheng, Tian, Zhi‐Qiang, Wang, Chun‐Hui, Bai, Yan‐Qiang, Chen, Shan‐Guang, Li, Shu
Source: Applied Cognitive Psychology. Sep/Oct2017, Vol. 31 Issue 5, p500-507. 8p.
Subjects: Space psychology, Astronauts, Reduced gravity environments, Aggression (Psychology), Reaction time, Psychology
Abstract: High levels of cooperation and low aggression seem obviously vital to the successful implementation of space missions. To elucidate the effect of microgravity on these behaviors, we investigated whether cooperative and aggressive behaviors would be affected in 16 male volunteers during 45-day −6° head-down bed rest, which is a reliable simulation model for most physiological effects of spaceflight. We used an ultimatum game task to evaluate the cooperative behavior and a revised competitive reaction time test to evaluate the aggressive behavior simultaneously. We found that (1) the participants became less cooperative in the post-bed rest phase in comparison with the pre-bed rest phase and (2) the participants became more aggressive in the in-bed rest phase in comparison with the pre-bed rest phase. These findings provide evidence that head-down bed rest may affect both cooperative and aggressive behaviors in males, suggesting an important perspective for future studies in space psychology.Copyright © 2017 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
Copyright of Applied Cognitive Psychology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Effect of 45-Day −6° Head-Down Bed Rest on Cooperation and Aggression.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Yun%22">Wang, Yun</searchLink><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Yuan%22">Zhou, Yuan</searchLink><br /><searchLink fieldCode="AR" term="%22Rao%2C+Li‐Lin%22">Rao, Li‐Lin</searchLink><br /><searchLink fieldCode="AR" term="%22Zheng%2C+Rui%22">Zheng, Rui</searchLink><br /><searchLink fieldCode="AR" term="%22Liang%2C+Zhu‐Yuan%22">Liang, Zhu‐Yuan</searchLink><br /><searchLink fieldCode="AR" term="%22Chen%2C+Xiao‐Ping%22">Chen, Xiao‐Ping</searchLink><br /><searchLink fieldCode="AR" term="%22Tan%2C+Cheng%22">Tan, Cheng</searchLink><br /><searchLink fieldCode="AR" term="%22Tian%2C+Zhi‐Qiang%22">Tian, Zhi‐Qiang</searchLink><br /><searchLink fieldCode="AR" term="%22Wang%2C+Chun‐Hui%22">Wang, Chun‐Hui</searchLink><br /><searchLink fieldCode="AR" term="%22Bai%2C+Yan‐Qiang%22">Bai, Yan‐Qiang</searchLink><br /><searchLink fieldCode="AR" term="%22Chen%2C+Shan‐Guang%22">Chen, Shan‐Guang</searchLink><br /><searchLink fieldCode="AR" term="%22Li%2C+Shu%22">Li, Shu</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Applied+Cognitive+Psychology%22">Applied Cognitive Psychology</searchLink>. Sep/Oct2017, Vol. 31 Issue 5, p500-507. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Space+psychology%22">Space psychology</searchLink><br /><searchLink fieldCode="DE" term="%22Astronauts%22">Astronauts</searchLink><br /><searchLink fieldCode="DE" term="%22Reduced+gravity+environments%22">Reduced gravity environments</searchLink><br /><searchLink fieldCode="DE" term="%22Aggression+%28Psychology%29%22">Aggression (Psychology)</searchLink><br /><searchLink fieldCode="DE" term="%22Reaction+time%22">Reaction time</searchLink><br /><searchLink fieldCode="DE" term="%22Psychology%22">Psychology</searchLink>
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  Data: High levels of cooperation and low aggression seem obviously vital to the successful implementation of space missions. To elucidate the effect of microgravity on these behaviors, we investigated whether cooperative and aggressive behaviors would be affected in 16 male volunteers during 45-day −6° head-down bed rest, which is a reliable simulation model for most physiological effects of spaceflight. We used an ultimatum game task to evaluate the cooperative behavior and a revised competitive reaction time test to evaluate the aggressive behavior simultaneously. We found that (1) the participants became less cooperative in the post-bed rest phase in comparison with the pre-bed rest phase and (2) the participants became more aggressive in the in-bed rest phase in comparison with the pre-bed rest phase. These findings provide evidence that head-down bed rest may affect both cooperative and aggressive behaviors in males, suggesting an important perspective for future studies in space psychology.Copyright © 2017 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Applied Cognitive Psychology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Sep/Oct2017
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