Cognitive functions are fundamental to everyday life, underpinning the mental processes required to perform any activity. Recent studies have shown that improved cognitive performance is associated with elevated levels of brain-derived neurotrophic factor (BDNF), which can be increased through an acute bout of physical activity. However, daily variations of BDNF serum and plasma remain poorly characterised and are not fully understood, and their correlation with daily variations in cognitive performance has not been previously explored. This study examines: 1\) the correlation between daily BDNF fluctuations and cognitive performance. 2) whether a single session of exercise can elevate BDNF levels and lead to measurable cognitive improvements.
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Levels of Serum BDNF (ng/ml)
Timeframe: blood samples were collected on day one and day two at five specific time points: 9 a.m. (t1), 11 a.m. (t2), 1 p.m. (t3), 3 p.m. (t4), 5 p.m. (t5)
inhibitory control
Timeframe: The test was performed for each participant on day one and two at three predefined time points 9 a.m. (t1), 1 p.m. (t3), 5 p.m. (t5)
working memory (short-term memory)
Timeframe: The test was performed for each participant on day one and two at three predefined time points 9 a.m. (t1), 1 p.m. (t3), 5 p.m. (t5)
sustained attention and vigilance
Timeframe: The test was performed for each participant on day one and two at three predefined time points 9 a.m. (t1), 1 p.m. (t3), 5 p.m. (t5)