Resistance training and cognition

Resistance training has been shown to positively impact cognitive function through several mechanisms. 

Studies indicate that resistance exercises can lead to functional and structural brain changes, particularly in the frontal lobe, which are associated with improvements in executive functions.

These exercises also enhance functional connectivity in the brain, which may be beneficial for individuals with mild cognitive impairment or Alzheimer's disease. A meta-analysis found that resistance training positively affects composite cognitive scores, screening measures of cognitive impairment, and executive functions, although its impact on working memory was not significant.

Additionally, resistance training can increase neurotrophic factors like insulin-like growth factor I (IGF-I), which crosses the blood-brain barrier and supports brain health.  Research also suggests that strength training can protect brain areas vulnerable to Alzheimer's disease, such as the hippocampus, potentially reducing degeneration.

Combined with aerobic exercise, resistance training can further enhance cognitive performance in older adults, suggesting a synergistic effect on brain health.

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