Choline altered brain activity without observed working memory improvement
A small pilot in postmenopausal women found changes on brain scans, while performance on a working memory task did not differ.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Choline changed brain activation and connections during a demanding working memory task, while no difference in task performance was observed versus placebo. The authors suggest that reduced activation might reflect greater efficiency. That remains an interpretation of imaging findings, rather than evidence that choline improves memory or everyday cognitive function in postmenopausal women.
This was a small pilot with assessments soon after dosing. The abstract gives no numerical memory-performance results, leaving the size and uncertainty of any performance difference unclear.
What researchers found
Working memory task performance
Choline versus placebo on the two study days, with scanning three hours after dosing; the abstract provides no performance effect estimate.
What the scans showed
During the more demanding memory condition, choline was linked to lower activation in parts of the right temporal lobe. Researchers also found changes in how a selected brain region connected functionally with the wider memory network.
Efficiency remains a hypothesis
Lower activation can be described from the scans, but calling it improved efficiency goes beyond the directly observed performance result. The authors themselves propose that explanation and say further studies are needed.
The original publication
Oral Choline Reduced Working Memory-Related Brain Activation in Postmenopausal Women: A Pilot Study.
Dumas JA, Testo A, Miller AS et al.
Nutrients · 2026
- PubMed ID
- 41683281
- Record checked
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