correlational
Analysis v1
Strong Support
In middle-aged people who aren't very active, the level of a brain protein called BDNF in their blood doesn't tell us whether their brain's ability to control muscles will change — no matter if they sit all day, take regular movement breaks, or do some exercise afterward.
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0
Evidence from Studies
Supporting (1)
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Community contributions welcome
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Acute effects of physical activity patterns on plasma cortisol and brain-derived neurotrophic factor in relation to corticospinal excitability.
Cross-Sectional Study
Human
2022 Jul 26The study looked at how different sitting and moving patterns affect brain chemicals and nerve activity in middle-aged inactive people, and found that BDNF levels didn’t help predict changes in brain signaling, which supports the claim.
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.