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The interactive effects of acute exercise and hypoxia on cognitive performance: a narrative review

Research output: Contribution to journal › Literature review

  • Soichi Ando
  • Takaaki Komiyama
  • Mizuki Sudo
  • Yasuki Higaki
  • Koji Ishida
  • Dr Joseph Costello
  • Keisho Katayama
Acute moderate intensity exercise has been shown to improve cognitive performance. In contrast, hypoxia is believed to impair cognitive performance. The detrimental effects of hypoxia on cognitive performance are primarily dependent on the severity and duration of exposure. In this review, we describe how acute exercise under hypoxia alters cognitive performance, and propose that the combined effects of acute exercise and hypoxia on cognitive performance are mainly determined by interaction among exercise intensity and duration, the severity of hypoxia, and duration of exposure to hypoxia. We discuss the physiological mechanism(s) of the interaction and suggest that alterations in neurotransmitter function, cerebral blood flow, and possibly cerebral metabolism are the primary candidates that determine cognitive performance when acute exercise is combined with hypoxia. Furthermore, acclimatization appears to counteract impaired cognitive performance during prolonged exposure to hypoxia although the precise physiological mechanism(s) responsible for this amelioration remain to be elucidated. This review has implications for sporting, occupational, and recreational activities at terrestrial high altitude where cognitive performance is essential. Further studies are required to understand physiological mechanisms that determine cognitive performance when acute exercise is performed in hypoxia.
Original languageEnglish
JournalScandinavian Journal of Medicine & Science in Sports
Early online date12 Oct 2019
DOIs
Publication statusEarly online - 12 Oct 2019

Documents

  • The_interactive_effects_of_acute_exercise

    Rights statement: This is the peer reviewed version of the following article: Ando, S. , Komiyama, T. , Sudo, M. , Higaki, Y. , Ishida, K. , Costello, J. T. and Katayama, K. (2019), The interactive effects of acute exercise and hypoxia on cognitive performance: a narrative review. Scand J Med Sci Sports. Accepted Author Manuscript. doi:10.1111/sms.13573, which has been published in final form at https://doi.org/10.1111/sms.13573. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.

    Accepted author manuscript (Post-print), 15.9 MB, PDF document

    Due to publisher’s copyright restrictions, this document is not freely available to download from this website until: 12/10/20

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