Neuroscientists at the University of Pennsylvania has developed an effective method for improving memory, based on electrical stimulation of the brain. It is reported by Gizmodo.
The study was conducted in the framework of the project "Restoring active memory", whose goal is to develop implantable brain device. The experiment involved a group of people with epilepsy (it can impair cognitive skills) which had to perform a series of tests to assess memory capacities. In parallel, the researchers stimulated a region of the brain associated with memory formation.
The researchers compared the effects of effects on the brain, with high and low activity. It turned out that in the first case, stimulation worsened the results of the tests, however, the second memory has improved.
This explains why previous studies have led to contradictory conclusions. Scientists believe that their findings will help to develop a method of the closed cycle (closed-loop treatment), in which the implantable device will send electrical impulses only when they are useful. Neuroscientists hope that this will alleviate the symptoms of Alzheimer's disease, dementia and other neurodegenerative effects.
A group of mathematicians explained the emergence of the grandmothers. According to the theory called "grandmother hypothesis" that menopause is explained by the need to help the younger generation to raise children that increases the chances of further transmission of their genes. However, this theory does not explain when it came grandmother.
At auction in new York sold the official report of the Soviet cosmonaut Yuri Gagarin's first flight into space, made in the English language. The lot was sold for 47.5 thousand dollars, it consists of three parts: the title page of the report signed by the astronaut and pictures of him in the suit.
American and German scientists showed that people who do not smoke and are not obese, and moderately drink alcohol, live on average seven years longer than others. A study published in the journal Health Affairs, and briefly about it reports the max Planck Society (Germany).
Deputy Chairman of Russian government Dmitry Rogozin is ready to arrive in Moldova by helicopter or motorbike. "The Prime Minister of Moldova considers that "Rogozin is expected to fly on military aircraft". Well. Then on the Moldovan authorities: a helicopter or motorbike?" — the politician wrote.
Armed Palestinians broke into a house in the Jewish settlement of Halamish in the West Bank of the Jordan river and attacked were people in the room, killing two men and one woman. Another woman with serious injuries was taken to hospital. It is reported by The Times of Israel.
Russian high jumper height Maria Laecken won the stage of the Diamond League in Monaco. 24-year-old Russian excelled with a score of 2 meters. Second place went to Ukrainian Yulia Levchenko, she obeyed, the height of 1.97 meters. Third place went to American Vashti Cunningham (1,97 m), it took her more attempts.