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The effects of high-intensity interval exercise and hypoxia on cognition in sedentary young adults
Sun,Shengyan1,2; Loprinzi,Paul D.3; Guan,Hongwei4; Zou,Liye5; Kong,Zhaowei1; Hu,Yang6; Shi,Qingde7; Nie,Jinlei7
Source PublicationMedicina (Lithuania)

Background and Objectives: Limited research has evaluated the effects of acute exercise on cognition under different conditions of inspired oxygenation. Thus, the purpose of this study was to examine the effects of high-intensity interval exercise (HIE) under normoxia (inspired fraction of oxygen (FIO ): 0.209) and moderate hypoxia (FIO : 0.154) on cognitive function. Design: A single-blinded cross-over design was used to observe the main effects of exercise and oxygen level, and interaction effects on cognitive task performance. Methods: Twenty inactive adults (10 males and 10 females, 19–27 years old) performed a cognitive task (i.e., the Go/No-Go task) before and immediately after an acute bout of HIE under normoxic and hypoxic conditions. The HIE comprised 10 repetitions of 6 s high-intensity cycling against 7.5% body weight interspersed with 30 s passive recovery. Heart rate, peripheral oxygen saturation (SpO ) and rating of perceived exertion were monitored. Results: The acute bout of HIE did not affect the reaction time (p = 0.204, η = 0.083) but the accuracy rate decreased significantly after HIE under both normoxic and hypoxic conditions (p = 0.001, η = 0.467). Moreover, moderate hypoxia had no influence either on reaction time (p = 0.782, η = 0.004) or response accuracy (p = 0.972, η < 0.001). Conclusions: These results indicate that an acute session of HIE may impair response accuracy immediately post-HIE, without sacrificing reaction time. Meanwhile moderate hypoxia was found to have no adverse effect on cognitive function in inactive young adults, at least in the present study.

KeywordCognitive Function Go/no-go Task Peripheral Oxygen Saturation Reaction Time Response Accuracy
URLView the original
Indexed BySCI
WOS Research AreaGeneral & Internal Medicine
WOS SubjectMedicine, General & Internal
WOS IDWOS:000460170700023
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Cited Times [WOS]:4   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Education
Corresponding AuthorZou,Liye; Hu,Yang
Affiliation1.Faculty of Education,University of Macau, Macao, China
2.Department of Physical Education, Huzhou University, Huzhou 313000, China
3.Department of Health, Exercise Science and Recreation Management, School of Applied Sciences, The University of Mississippi, Oxford, MS 38677, United States
4.Department of Health Promotion and Physical Education, School of Health Sciences and Human Performance, Ithaca College, Ithaca, NY 14850, United States
5.Lifestyle (Mind-Body Movement) Research Center, College of Sports Science, Shenzhen University, Shenzhen 518060, China
6.Sports Science Research Center, Beijing Sport University, Beijing 100084, China
7.School of Physical Education and Sports, Macao Polytechnic Institute, Macao, China
First Author AffilicationFaculty of Education
Recommended Citation
GB/T 7714
Sun,Shengyan,Loprinzi,Paul D.,Guan,Hongwei,et al. The effects of high-intensity interval exercise and hypoxia on cognition in sedentary young adults[J]. Medicina (Lithuania),2019,55(2).
APA Sun,Shengyan.,Loprinzi,Paul D..,Guan,Hongwei.,Zou,Liye.,Kong,Zhaowei.,...&Nie,Jinlei.(2019).The effects of high-intensity interval exercise and hypoxia on cognition in sedentary young adults.Medicina (Lithuania),55(2).
MLA Sun,Shengyan,et al."The effects of high-intensity interval exercise and hypoxia on cognition in sedentary young adults".Medicina (Lithuania) 55.2(2019).
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