Keyword: brainpower
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A study conducted by researchers from Duke University in Durham, North Carolina, have found that the amygdala in mice's brain can significantly control their sense of pain. According to Fan Wang, the lead author of the study and the Morris N. Broad Distinguished Professor of neurobiology in the School of Medicine, recent studies have determined parts of the brain that could 'turn on' pain signals, but this was the first time they were able to pinpoint where pain could be 'turned off.' The researchers also discovered that general anesthesia also stimulates a specific subgroup of inhibitory neurons in the central...
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He was in high school and quite brilliant. The kind of kid who didn't pick up a book all year and aced all of his honors and AP tests -- in complex subjects like Physics. He was also musically gifted. But he couldn't stop smoking weed. The school and his parents did all they could; he even took up sports so he wouldn't go home after school and smoke. The more he smoked, the more he slacked off, the less frequently he attended class, did his work, and participated in class. They finally expelled him. He was last seen walking...
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Which country has the largest stock of brilliant people? The answer to this question depends in part on raw brainpower, but also on the size of a country. Exclusively for Business Insider, Dr. Jonathan Wai, a Duke University Talent Identification Program research scientist and psychologist, compiled a new ranking of countries based on scores on the 2009 PISA assessment, which tests reading, math, and science competency in 15-year-olds. Multiple researchers have found that these tests, administered by the Organization for Economic Cooperation and Development (OECD), are a good measure of "g," or general intelligence. In our list, the rank order...
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Their social lives are complex, and they can congregate in large groups. Their heart rates increase when they notice a family member suffering. They sound the alarm when they discover food or a potential threat. And experiments have shown they even anticipate future events. Biologist Justin Gregg is talking about chickens. … For more than 50 years, the dolphin has been viewed as an especially intelligent creature, grouped together with human beings and great apes. But now a dispute on the subject has erupted among scientists, and the smart aleck of the seas may end up being just an average...
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Playing the classic puzzle game Tetris can boost your brain power, according to a new study. The three-month study, by the Mind Research Network, found adolescent girls who played Tetris not only displayed greater brain efficiency, but developed a thicker brain cortex, a sign of increased grey matter. Clinical neuropsychologist Dr Rex Jung said one of the most surprising findings of brain research in the past five years was that juggling game play increased grey matter in the motor areas of the brain. Study co-author Dr Richard Haier said Tetris had proved useful for brain researchers. "Tetris for the brain...
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WASHINGTON: Psychologists that the University of Oregon say that the capacity of short-term memory is a strong predictor of an individual's IQ level and scholastic achievement. A study conducted by them has shown that an average person can think only about four items at a time, but people with high IQ levels can remember more articles. Professor Edward Awh and Professor Edward Vogel of the university conducted laboratory experiments to test their hypothesis that the memory capacity might be influenced by the complexity of items being stored, something that might cause a four-item limit for most people. The study showed...
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It is news guaranteed to raise a cheer among those who enjoy a glass or two: drinking half a bottle of wine a day can make your brain work better, especially if you are a woman. Research to be published tomorrow by academics at University College London has found that those who even drink only one glass of wine a week have significantly sharper thought processes than teetotallers. The benefits of alcohol, which are thought to be linked to its effect on the flow of blood to the brain, can be detected when a person drinks up to 30 units...
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UNITED NATIONS (AP) - The brainpower of entire nations has diminished because of a shortage of the right vitamins, and slipping nutrients into people's food seems to be the only solution, a new U.N. survey says. To fight the problem, the United Nations is prescribing a whole pantry of artificially fortified foods: soy sauce laced with zinc, "super salt" spiked with iron, cooking oil fortified with vitamin A. Deficiencies in these vitamins are having alarming effects in developing countries, even ones where people generally have enough to eat, said the study, released Wednesday. A lack of iron lowers children's IQs...
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Man Chops Off Testicle in Dispute with Wife NAIROBI (Reuters) - A Kenyan man chopped off one of his testicles in a row with his wife and then walked naked to a police station to report the incident, police said on Monday. Police rushed 26-year-old Stephen Ongala to hospital after he stumbled into their police station in the border town of Busia in western Kenya on Friday bleeding heavily. "He said he did it because he had had a disagreement with his wife," said deputy police chief Shadrack Maithya. "If we get evidence that he tried to take his life,...
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LONDON (Reuters) - The often-maligned act of chewing gum could in fact make us smarter, according to British research. A joint study carried out by the University of Northumbria and the Cognitive Research Unit, Reading, has found that chewing gum has a positive effect on thinking, memory and other cognitive tasks. "The results were extremely clear and specifically we found that chewing gum targeted memory," Andrew Scholey of the university's Human Cognitive Neuroscience Unit said. "People recalled more words and performed better in tests on working memory." Peppermint gum, menthol or spearmint--it makes no difference. The key is the repetitive...
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