A 2025 10-week study led by researchers at McGill University of 92 healthy adults aged 65 or older found that doing rigorous cognitive training for 30 minutes per day increased acetylcholine levels by 2.3% in the anterior cingulate cortex.
October 22, 2025
high
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Acetylcholine was measured in the anterior cingulate cortex using PET imaging to assess the effect of targeted cognitive training.