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Nutrition, Vitamins & Supplements for Seniors

Green Tea Found to Enhance Cognitive Ability: Improves Memory, May Help Dementia

Subjects do much better on test after taking green tea extract; can it treat dementia?

April 7, 2014 – Green tea extract enhances the cognitive functions and in particular the working memory, say researchers from the University of Basel, Basel, Switzerland, who claim to be the first to prove this benefit in green tea. They see distant possibilities, too, for treating dementia.

The Swiss findings suggest promising clinical implications for the treatment of cognitive impairments in psychiatric disorders such as dementia. The academic journal Psychopharmacology has published their results.

Green tea is often credited with many positive effects on health. In the past the main ingredients of green tea have been thoroughly studied in cancer research.

Recently, scientists have also been inquiring into the beverage's positive impact on the human brain. Different studies were able to link green tea to beneficial effects on the cognitive performance. However, the neural mechanisms underlying this cognitive enhancing effect of green tea remained unproven.

 

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Better memory

In a new study, the researcher teams of Prof. Christoph Beglinger, University Hospital of Basel, and Prof. Stefan Borgwardt, Psychiatric University Clinics, found that green tea extract increases the brain's effective connectivity, meaning the causal influence that one brain area exerts over another. This effect on connectivity also led to improvement in actual cognitive performance: Subjects tested significantly better for working memory tasks after the admission of green tea extract.

For the study healthy male volunteers received a soft drink containing several grams of green tea extract before they solved working memory tasks. The scientists then analyzed how this affected the brain activity of the men using magnetic resonance imaging (MRI).

The MRI showed increased connectivity between the parietal and the frontal cortex of the brain. These neuronal findings correlated positively with improvement in task performance of the participants.

“Our findings suggest that green tea might increase the short-term synaptic plasticity of the brain,” says Borgwardt.

Clinical implications

The research results suggest promising clinical implications. Modeling effective connectivity among frontal and parietal brain regions during working memory processing might help to assess the effectiveness of green tea for the treatment of cognitive impairments in neuropsychiatric disorders such as dementia.

 

Financial Relief for Volkswagen Diesel Owners

You may be eligible for money damages if you owned or leased one of these VW, Porsche or Audi vehicles.

In the major scandal of 2015, Volkswagen cheated you and the world. They rigged diesel emission controls so you, nor regulators, would know how much pollution their cars were adding to our environment.

They were caught and have reserved $7.3 billion to help "make it right" with victims.

If you owned or leased one of these vehicles, contact us now.

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Vehicles Involved

VW Jetta (2009–2015)

VW Jetta SportWagen (2009–2014)

VW Golf (2010-2015)

VW Golf SportWagen (2015)

VW Beetle (2012–2015)

VW Passat (2012-2015)

Audi A3 (2010-2015)

VW Touareg (2009–2016)

Porsche Cayenne (2015)

Audi A6, A7, A8, Q5 Quattro (2016)

 

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