Gymnastik- och idrottshögskolan, GIH

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Acute effects of physical exercise of different intensities on working memory: Masters thesis
Swedish School of Sport and Health Sciences, GIH, Department of Physical Activity and Health.
2023 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Aim: The purpose of this study was to investigate acute effects of physical exercise of different intensities on working memory.

Method: Twelve young adults, 20-40 years, 8 males and 4 females passed the screening and participated in a randomized experimental crossover within-subject design study with three experimental conditions. Working memory was measured with n-back consisting of three difficulty levels. 

Results: No significant interaction effect within subjects between the three different exercise intensity conditions for accuracy or response time was found. A significant main effect of time was detected for n-back response time, F(1,11)=40.2, p=<.001, reflecting an overall shorter response time after exercise compared to before, independent of exercise intensity condition. A two-way interaction effect on accuracy was found between n-back session 1 and 2 in the low fitness group. 

Conclusions: The exercise intensity does not seem to matter for the improvement of working memory performance. However, participants response time was shown to be faster following any given exercise intensity. 

Place, publisher, year, edition, pages
2023. , p. 84
Series
Examensarbete ; 2023:35
Keywords [en]
Single bout of exercise and cognitive/working memory performance, Acute physical exercise and cognitive/working memory performance, Working memory performance and physical exercise, Cognitive functions and physical exercise, Working memory, Cognitive functions, Brain derived neurotrophic factor, Linear relationship, U-shaped curve theory, N-back
National Category
Sport and Fitness Sciences
Identifiers
URN: urn:nbn:se:gih:diva-7922OAI: oai:DiVA.org:gih-7922DiVA, id: diva2:1806218
Educational program
Master programme
Supervisors
Examiners
Available from: 2023-10-20 Created: 2023-10-19 Last updated: 2023-10-20Bibliographically approved

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  • apa
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