Functional and/or structural brain changes in response to resistance exercises and resistance training lead to cognitive improvements - a systematic review.

Eur Rev Aging Phys Act · 2019 · PMC6617693 · PMID 31333805

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barely failed to attain statistical significanceno p-value reported

Additionally, in the resistance training group, a positive correlation between changes in serum levels of insulin-like growth factor 1 (IGF-1) and P3 amplitudes (measured during switching condition) and a negative correlation between serum levels of tumor necrosis factor-alpha and accuracy rates in the switching condition were observed, which both barely failed to attain statistical significance [ 191 ].

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