A randomized clinical trial in older adults shows that high dietary intake of cocoa flavanols enhances memory performance on an object-recognition task and neural activity as assessed by functional magnetic resonance imaging in the dentate gyrus of the hippocampus, a region that is critical for learning and memory.
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Pa, J., Gazzaley, A. Flavanol-rich food for thought. Nat Neurosci 17, 1624–1625 (2014). https://doi.org/10.1038/nn.3876
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DOI: https://doi.org/10.1038/nn.3876