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Purpose:
Our study aimed to profile the effect of fasting during the Ramadan month on cognitive function in a group of healthy Muslim athletes.
Asian Journal of Sports Medicine
Sports Medicine Research Center, TUMS
Effects of Fasting During Ramadan Month on Cognitive Function in Muslim Athletes
Author(s):
Ho-Heng Tian1,*, 
Abdul-Rashid Aziz2, Weileen Png3, Mohamed Faizul Wahid4, Donald Yeo5, Ai-Li Constance Png61Changi General Hospital, Singapore
2Department of Performance Physiology, Singapore Sports Institute, Singapore
3Department of Sport Nutrition, Singapore Sports Institute, Singapore
4Department of Exercise Physiology, Singapore Sports Institute, Singapore
5Department of Neurology, Singapore General Hospital, Singapore
6Department of Psychological Medicine, Changi General Hospital, Singapore
Published online:Aug 31, 2011
Article type:Research Article
Received:May 05, 2011
Accepted:Jun 16, 2011
How to Cite:Ho-Heng TianAbdul-Rashid AzizWeileen PngMohamed Faizul WahidDonald YeoAi-Li Constance Pnget al.Effects of Fasting During Ramadan Month on Cognitive Function in Muslim Athletes.Asian J Sports Med.2(3):34753.https://doi.org/10.5812/asjsm.34753.
Abstract
Methods:
Eighteen male athletes underwent computerized neuropsychological testing during (fasting) and after (non-fasting) Ramadan. Diet was standardized, and tests were performed at 0900h and 1600h to characterize potential time-of-day (TOD) interactions. Psychomotor function (processing speed), vigilance (visual attention), visual learning and memory, working memory (executive function), verbal learning and memory were examined. Capillary glucose, body temperature, urine specific gravity, and sleep volume were also recorded.
Results:
Fasting effects were observed for psychomotor function (Cohen's
Conclusions:
Our results show that the effect of fasting on cognition is heterogeneous and domain-specific. Performance in functions requiring sustained rapid responses was better in the morning, declining in the late afternoon, whereas performance in non-speed dependent accuracy measures was more resilient.
Copyright
© 2011, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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