Updated overview on interplay between physical exercise, neurotrophins, and cognitive function in humans.

J Sport Health Sci · 2020 · PMC6943756 · PMID 31921482

Europe PMC DOI

hedged sentences

0.0400

closest p · 0.8× alpha

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boldest claim

The sentences

marginally significantp = 0.04actually significant

Nevertheless, when the exercise interventions were divided between those lasting 30 min or less (SMD = 0.47; 95%CI: 0.31–0.63; p < 0.001) and those lasting more than 30 min (SMD = 0.81; 95%CI: 0.53–1.09; p < 0.001), a marginally significant difference was observed ( p = 0.04), thus supporting the hypothesis that 30 min of exercise is the minimal threshold for producing significant BDNF variations.

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did not reach statistical significancep > 0.05actually significant

5.0 ± 2.2 ng/mL), the difference did not reach statistical significance ( p > 0.05).

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