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Researchers have reported that green tea increases the brain connectivity and boosts memory power.
The researcher teams of Prof. Christoph Beglinger from the University Hospital of Basel and Prof. Stefan Borgwardt from the Psychiatric University Clinics found that green tea extract increases the brain’s effective connectivity, thereby increasing the causal influence that one brain area exerts over another.
This effect on connectivity also led to improvement in actual cognitive performance as subjects tested significantly better for working memory tasks after the admission of green tea extract.
The researchers conducted the study by providing a soft drink containing several grams of green tea extract to the male volunteers before giving them to solve working memory tasks. The scientists then analyzed how this affected the brain activity of the men using magnetic resonance imaging (MRI).
The MRI threw up startling results showing increased connectivity between the parietal and the frontal cortex of the brain. The neuronal findings correlated positively with improvement in task performance of the participants.
The researchers also found that green tea also increases the short-term synaptic plasticity of the brain.