Brain stimulation has been used to “rejuvenate” memory

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By stimulating a specific location in the brain, U.S. scientists have made significant improvements in so-called working memory, albeit only for a short time, the BBC news portal reported.

A research team at Boston University had a memory of people in their sixties and seventies similar to those in their twenties. The effect lasted for at least another 50 minutes after stopping the stimulation

Working memory is also called a “sketchbook” of memory, where we temporarily store information such as when you write down a phone number after hearing it but it is also needed for problem solving, mathematical calculations, and decision making. “Essence is essentially here,” said Robert Reinhart, a university professor and member of the research team.

Working memory is different from long-term memory, which helps a person recall their first day of school or wedding. Working memory deteriorates with aging.

The authors of the study, published in a recent issue of the journal Nature Neuroscience, worked with 42 participants who were in their 20s and 42 in their 60s and 70s.

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During the research they had to find the difference between two pictures that they could look at one after the other. Young people were faster and more accurate without any kind of brain stimulation.

In the elderly, stimulation improved performance. “We can bring back the youthful functioning of memory, which is important because the world’s population is aging rapidly and older people are facing great hardships in all areas of life based on the functioning of working memory. This includes face recognition, spatial orientation, regular medication intake and financial decisionsReinhart said.

Researchers have focused on the temporal and prefrontal regions of the brain that play a role in working memory. “The brain is like a conductor who transmits information to the band via brain waves. However, research has shown that the brain waves subside over time, the band members start playing back and forth”The professor explained.

Brain electrical waves were recorded using EEG (electroencephalography). Electrical stimulation was used to amplify and re-align the waves.

Experts now want to conduct the research with a larger number of participants to see if the results can be replicated. They are also wondering if the procedure can help people in their daily lives.

The method would be really useful if the effect lasted longer than 50 minutes or the technology was made portable.


Source: Patika Magazin Online by www.patikamagazin.hu.

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