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अंधकार से मस्तिष्क का आकार बढ़ता है
अंधकार से मस्तिष्क का आकार बढ़ता है
ब्रिटेन में ऑक्सफोर्ड विश्वविद्यालय के नृवंशशास्त्रियों (एंथ्रोपोलॉजिस्ट) के एक दल का कहना है कि हमारे मस्तिष्क का आकार इस बात पर भी निर्भर करता है कि हम जहां रहते हैं, वहां सूर्यप्रकाश कितना कम या अधिक पहुंचता है। इसके लिए उन्होंने विश्व के अलग अलग भौगोलिक क्षेत्रों के 12 प्रकार के निवासियों के कपालों (खोपड़ियों) को नापा।
उनके कहने के अनुसार, उन्होंने पाया कि जो लोग यूरोप या एशिया महाद्वीप के जितना ही धुर उत्तर में रहते हैं, उनके मस्तिष्क का आकार (घनफल) उन लोगों की तुलना में उतना ही अधिक होता है, जो भूमध्यरेखा के जितना पास रहते हैं। भूमध्यरेखा से दूर हटने वाली अक्षांश रेखाओं के साथ ही लोगों की आंखों का आकार भी बड़ा होता जाता है।
इस अवलोकन की व्याख्या करते हुए इन वैज्ञानिकों का कहना है कि इसका कारण यही होना चाहिए कि धुर उत्तर के देशों में कहीं लंबे समय तक अंधेरा रहता है और दिन के समय की रोशनी भी उतनी प्रखर नहीं होती, जितनी भूमध्यरेखा के पास होती है। इसलिए वहां के निवासियों की आंखें इस कमी को किसी हद तक पूरा करने के लिए समय के साथ बड़ी होती गई हैं।
आंखों के साथ धुर उत्तर के निवासियों के मस्तिष्क का दृष्टिकेंद्र भी बड़ा होता गाया और शायद उसे जगह देने के लिए पूरे मस्तिष्क का आकार भी अपेक्षाकृत बड़ा हो गया है। इन ब्रिटिश वैज्ञानिकों का मानना है कि प्रकाश की मात्रा और आंख तथा मस्तिष्क के आकार के बीच यह विकासवादी संयोजन पिछले केवल कुछेक हजार वर्षों में ही हुआ है।
Baseball Cap Study Hack
There may be a good reason truckers and baseball players wear baseball caps. Caps force you to focus.
Truckers need to concentrate on the boring road ahead for hours as they drive. And baseball players have to concentrate on the pitcher ahead of them while blocking out the screaming fans in the stands and sun overhead. It should be no surprise that the baseball cap and trucker cap are so similar in design as they’re both made for the same purpose – to concentrate on what’s important in front of you and ignore what’s not to your sides and above you. Draftsmen and tennis players also have their own variants of the same front peaked caps.
Baseball caps boost concentration by excluding the nonessential parts of your visual field. When you put on a baseball cap the top of your vision and some of your side vision is immediately cut out leaving less to attend to. Your focus gets narrowed to the center where the action is and away from distracting side events. The same trick is used through blinders to direct horses forward down a street.
To try a study baseball cap for yourself, choose a cap that’s not too tight – you should be able to slip your finger under the headband – and a neutral gray, white, or black. If it’s new, bend the edges of the peak so that it forms a curve over your vision like looking through a curved bridge. Try it for a couple weeks and see if you’re rewarded with a concentration of steel.
12-year old Indian origin a Math genius
Bangalore: A very unlikely, and the most awe-inspiring, delegate made her presence at the International Congress of Mathematicians (ICM) 2010. 12-year-old Kaavya Jayram, who presented a paper on her results in the area of integer partitioning – expressing numbers as the sum of other numbers, was the youngest person at the International Congress of Women Mathematicians, a satellite conference that preceded the ICM reports Indian Express.
Her paper will be published by the International Journal of Number Theory. Parimala Raman, an invited speaker at ICM and one of India’s most well-known experts in algebra who is now the Asa Griggs Candler Professor of Mathematics at Emory University, U.S. said, “She is really good and she is way ahead of her age. She is interested in problem solving and research, taking great courses at Stanford. She was at the Tata Institute of Fundamental Research in December when I gave a talk. We’ve been in touch.” Kaavya took a fancy to number theory after attending a definitive lecture on the subject at IIT Kanpur by Professor Manindra Agrawal who heads the institute’s computer science department. She was home schooled by her mother as she had attained the tag of a ‘problem child’ at school, thanks to her intelligence. She decided she would be a mathematician, when eight, and began taking courses at the San Jose State University and Stanford University, the latter at the invitation of noted number theorist Kannan Soundararajan. Kaavya says of her fancy for numbers, “What I like about number theory is there are so many unsolved problems which seem simple but have stumped mathematicians for years.” Presently the family is based in California’s Bay Area and is in India for a year. After this, Kaavya will go to university full time, perhaps to Berkeley or Stanford
Her paper will be published by the International Journal of Number Theory. Parimala Raman, an invited speaker at ICM and one of India’s most well-known experts in algebra who is now the Asa Griggs Candler Professor of Mathematics at Emory University, U.S. said, “She is really good and she is way ahead of her age. She is interested in problem solving and research, taking great courses at Stanford. She was at the Tata Institute of Fundamental Research in December when I gave a talk. We’ve been in touch.”
Kaavya took a fancy to number theory after attending a definitive lecture on the subject at IIT Kanpur by Professor Manindra Agrawal who heads the institute’s computer science department.
She was home schooled by her mother as she had attained the tag of a ‘problem child’ at school, thanks to her intelligence. She decided she would be a mathematician, when eight, and began taking courses at the San Jose State University and Stanford University, the latter at the invitation of noted number theorist Kannan Soundararajan.
Kaavya says of her fancy for numbers, “What I like about number theory is there are so many unsolved problems which seem simple but have stumped mathematicians for years.”
Presently the family is based in California’s Bay Area and is in India for a year. After this, Kaavya will go to university full time, perhaps to Berkeley or Stanford
Brain power: 10 ways to boost your intellect
As scientists reveal that a weekend lie-in provides an essential boost to brain power, Chris Buscombe explores 10 other factors which may help improve your intellect.
It has been suggested as a means to improving brain capacity for several years, but scientists continue to find new evidence which points to a link between physical and mental health.
A Cambridge University study suggested that jogging just a couple of times a week stimulates the brain. After a few days of running, hundreds of thousands of new brain cells were shown to have grown in a region that is linked to the formation and recollection of memories.
An improved ability to recall memories without confusing them has a direct impact on other crucial cognitive tasks, and could lead to potential new ways of slowing down the deterioration of mental ability in old age.
Meanwhile, scientists have also recently found that particularly vigorous exercise helps release a protein that goes by the name of ‘noggin’.
The protein acts as a counter-agent to another protein, bone morphogenetic protein, thereby stimulating the increased division of brain stem cells, keeping the brain nimble and active as we get older. Research suggests that amplified production of noggin could therefore prevent the on-set of age-related brain diseases such as Alzheimer’s.
An Afternoon Nap
While scientists have long suspected that sleep has a significant impact on the brain’s capacity for memory, recent research found that sleeping for an hour in the afternoon boosts brain power and dramatically increases its ability to learn new facts and tasks.
Having a nap after lunch acts as a regenerative aid, allowing the brain to ‘file’ away memories so that new information may be more easily retained.
The researchers discovered that those who stay awake all day are less likely to be able to learn new tasks as the day goes on, leading the experts to suggest that napping in the long-term may be conducive to staving off age-related degenerative mental diseases.
Magnesium Rich Foods
Eating foods rich in magnesium such as spinach and broccoli could boost memory and brain power.
Recent research, published in the journal Neuron, found that an increase of magnesium in the brain could help learning in both the young and old.
Half the population of industrialised countries have a magnesium deficit, but with the help of a healthy increase in one’s diet, the effects of mental ageing could be significantly delayed.
Scientists have found that increased exposure to the sun could boost your intellect and prevent dementia.
A larger intake in vitamin D, which can also be found in oily fish, was linked to an amplified ability to keep the brain active and in top condition as we age.
Although the biological reasons for a connection remain unclear, a study published in the Journal of Neurology found that an association between increased vitamin D and faster information processing was particularly significant in men over the age of 60 years.
Mowing the Lawn
Researchers have discovered that a chemical released by lawn mowing not only relieves stress and makes people happier, but could also prevent mental decline in old age.
Australian scientists claimed that the aroma of freshly cut grass works directly on the brain, particularly targeting areas associated with emotion and memory.
So confident are they in their findings that they even released a perfume, “eau de mow”, which can be used as either a personal spray, or in public to relax and stimulate the brain of surrounding individuals.
Sex and Chocolate
A book has claimed that eating a lot of dark chocolate, having lots of sex and following the Scandinavian tradition of having cold meat for breakfast significantly improves brain power.
The book, by Simon Wootton and Terry Horne, analysed how diet, the environment and stress affect mental capacity. They asserted that while brain capacity has always been considered in terms of genetics, it is in fact a lifestyle choice.
The two suggested that the thought processes induced by having sex, as well as the hidden nutritional ingredients of dark chocolate and energy-giving qualities of cold meats, stimulate the brain and help battle age-related mental deterioration.
Music Lessons For Young
A study has shown that young children who take music lessons show more advanced brain development and improved memory than those who do not.
Musically trained children were found to perform better in a memory test which is correlated with general intelligence skills such as literacy, verbal memory, mathematics and IQ.
The scientists who undertook the research suggested that music can potentially improve the intellect in children as young as four years old.
Talking to your Baby
Experts have claimed that mothers who use baby talk help their child’s brain develop better.
Researchers from Northwestern University in Illinois found that words play an important role in the brain development of children even before they begin to speak.
The study suggested that an increased capacity to be able to categorise words according to their pictorial representation at an early age was a significant aid in child brain developement.
A study by American scientists found that the classic computer puzzle Tetris may also have a positive impact on your brain power.
Tests showed that despite being relatively simple compared to today’s sophisticated computer games, regular practise could increase a player’s grey matter and improve thinking.
Having played the game for half an hour each day over a three month period, subjects’ brains were found to have undergone ‘structural changes’ in areas associated with movement, critical thinking, reasoning, language and processing.
A Thinking Cap
Scientists who have worked on developing a ‘thinking cap’ hope the device will enhance the mind’s ability to learn.
The researchers from the University of British Colombia in Vancouver started to advance the project after they discovered that the brain’s ability to learn a new task was significantly enhanced when a magnetic pulse was applied to the premotor cortex, the area of the brain just behind the forehead.
The technique could be used not only to bost intellectual capacity but also to aid those with debilitating learning difficulties.
Dreaming may boost learning and memory
If you have a big test coming up, take a nap – and make sure to dream. .
Participants who napped and dreamt showed greater improvement in memory performance than those who didn’t nap or those who napped but didn’t dream.
Researchers say, it’s not that dreams led to better memory, but dreaming may be a sign that other, unconscious parts of the brain are working hard to remember. The dreams are a side effect of the memory process.
Researchers believe it’s not necessary for people to remember dreams to gain some benefit. People didn’t recall exactly what they had seen during sleep, but produced memories related to the environments they viewed.
Memory may be enhanced through processes that “slowly integrate critical elements of a recent experience” into the brain’s memory networks.
Ginkgo Biloba Does Not Appear To Prevent Dementia, Alzheimer’s Disease in Elderly
The rate of total dementia did not differ between seniors assigned to Ginkgo biloba vs. placebo
Nov. 18, 2008 – The herb Ginkgo biloba has been aggressively marketed to senior citizens around the world as a way to improve memory and even prevent dementia. A new study, however, says the herb is not effective in reducing the rate of dementia or Alzheimer’s disease among senior citizens age 75 or older.
NOXO Memory Boost Balm Now Available
The new NOXO Memory Boost balm, when applied topically, under the nostrils, delivers scent molecules into the brain’s olfactory nerves. These tiny hair-like nerves that capture the scent of NOXO ingredient molecules, transport their “messages” directly to the brain’s limbic system which serves as a memory storage area and the result is a substantial memory improvement (http://www.memoryboostnoxo.com/memory_improvement.htm) almost immediately.
NOXO Memory Boost balm utilizes the new science of Olfaction to detoxify and oxygenate the body. Research has been found that this process can help stimulate the olfactory receptors and therefore enhance one’s ability to perceive and improve memory recall (http://www.memoryboostnoxo.com/memory.htm).
NOXO Memory Boost balm, a proprietary product formulation of unique all natural ingredients, which are soy-based, is absorbed into the skin and is not visible after application. Products are based on olfactory perception altering technology, the NOXO line of products is focused on modifying behavior, via the olfactory senses.
Adoodle’s NOXO division is focused on developing a variety of products that can modify behaviors such as appetite, stress, anxiety, mood, memory and sugar cravings. The company’s first of eleven products to reach commercialization was NOXO’s Odor inhibitor, which has the ability to alter the brain’s ability to smell horrific odors. The odor is still there and it’s not masked. The brain does not however, register its normal reaction to it. The uniquely formulated NOXO Odor Inhibitor is based on the advanced olfactory perception altering technology of all these new NOXO products.
For dealers and inquiries, please consider NOXO’s products to feature as part of your retail store, catalogue or service. Our headquarters are located in Pennsylvania where a seasoned team of business professionals develop winning strategies for products in the health and wellness industry. We are the exclusive manufacturer and/or wholesale distributor for these unique and effective products for modifying behavior. If you have questions or need additional information, please do not hesitate to call (484) 278-1626 or complete our online inquiry form at: http://www.noxoinfo.com/dealer
IRemember Magnesium If You Want to Remember: Synthetic Supplement Improves Memory and Staves Off Age-Related Memory Loss
ScienceDaily (Feb. 2, 2010) — New research finds that an increase in brain magnesium improves learning and memory in young and old rats. The study, published in the January 28th issue of the journal Neuron, suggests that increasing magnesium intake may be a valid strategy to enhance cognitive abilities and supports speculation that inadequate levels of magnesium impair cognitive function, leading to faster deterioration of memory in aging humans.
Diet can have a significant impact on cognitive capacity. Identification of dietary factors which have a positive influence on synapses, the sites of communication between neurons, might help to enhance learning and memory and prevent their decline with age and disease. Professor Guosong Liu, Director of the Center for Learning and Memory at Tsinghua University in Beijing, China, led a study examining whether increased levels of one such dietary supplement, magnesium, boosts brain power.
“Magnesium is essential for the proper functioning of many tissues in the body, including the brain and, in an earlier study, we demonstrated that magnesium promoted synaptic plasticity in cultured brain cells,” explains Dr. Liu. “Therefore it was tempting to take our studies a step further and investigate whether an increase in brain magnesium levels enhanced cognitive function in animals.”
Because it is difficult to boost brain magnesium levels with traditional oral supplements, Dr. Liu and colleagues developed a new magnesium compound, magnesium-L-threonate (MgT) that could significantly increase magnesium in the brain via dietary supplementation. They used MgT to increase magnesium in rats of different ages and then looked for behavioral and cellular changes associated with memory.
“We found that increased brain magnesium enhanced many different forms of learning and memory in both young and aged rats,” says Dr. Liu. A close examination of cellular changes associated with memory revealed an increase in the number of functional synapses, activation of key signaling molecules and an enhancement of short- and long-term synaptic processes that are crucial for learning and memory.
The authors note that the control rats in this study had a normal diet which is widely accepted to contain a sufficient amount of magnesium, and that the observed effects were due to elevation of magnesium to levels higher than provided by a normal diet.
“Our findings suggest that elevating brain magnesium content via increasing magnesium intake might be a useful new strategy to enhance cognitive abilities,” explains Dr. Liu. “Moreover, half the population of industrialized countries has a magnesium deficit, which increases with aging. This may very well contribute to age-dependent memory decline; increasing magnesium intake might prevent or reduce such decline.”
Do decaffeinated teas and coffee help your brain as much as caffeinated ones do? I avoid caffeine, as it triggers migraines in me, but I am hoping I get some benefits from decaf.
To retain the most antioxidants in your cup of decaf black or green tea, look for brands that are decaffeinated using the “effervescence” process. It involves water and carbon dioxide and might help keep antioxidants intact. Some companies highlight the process on the label, which makes them easier to spot.
The researchers tested 200 college students, mostly women, who had little experience playing video games. The students were taught challenging video games that required them to learn maps of different environments. The students were given a pre-test to determine their initial performance level on the games, then were trained to play the games and tested on their performance. One group was trained in the morning and then tested 12 hours later after being awake for that time. A second group was trained in the morning and tested the next day, 24 hours after being trained. A third group was trained in the evening, then tested 12 hours after a night’s sleep, and a fourth groups was trained in the evening and tested 24 hours after training.
Those trained in the morning improved 8 percentage points immediately after training but after 12 waking hours lost half that improvement. The subjects tested the next morning, after 24 hours, had a 10% point improvement. The students who received evening training improved about 7 percentage points and improved to 10 percentage points the next morning and remained at that level throughout the day.
“Sleep consolidated learning by restoring what was lost over the course of a day following training and by protecting what was learned against subsequent loss,” said Howard Nusbaum, a professor of psychology at the University of Chicago and one of the study’s authors. “These findings suggest that sleep has an important role in learning generalized skills and stabilizing and protecting memory.”
Nusbaum said the students probably tested more poorly in the afternoon because some of their waking experiences interfered after training. “Those distractions went away when they slept and the brain was able to do its work.”