Wednesday, March 16, 2011

10 Tricks for Improving Your Memory


10 Tricks for Improving Your Memory

What’s the name of your daughter’s teacher, and where did you put your keys again? If you’ve ever wished you could do some simple things to sharpen your memory skills, you can. We’ve talked to the experts and compiled the latest thinking on improving the muscles in your brain associated with memory.

1. Talk with your hands.
It may sound strange, but waving your hands and gesturing while trying to learn a concept may help your brain remember something important, says Jeff Brown, PsyD, ABPP, coauthor of The Winner’s Brain. "Gesturing in a meaningful way while you are learning may help you when recalling the concept,” he says. “The idea is that you are storing at least two different types of information about something you'll need to recall later. A good example of this is when kids speak math problems aloud, but also 'work them' in the air.” Tactics to try: When you’ve just learned someone’s name, “write” it down on the palm of your hand with your finger. The act of tracing the letters on your palm (discreetly, of course) can help your brain remember it, says Dr. Brown. Or, “Air-write on an imaginary map of your grocery store or mall as you name aloud the items or stores you need to remember when shopping.”

2. Take a chill pill.
Learning to calm down and not carry as much stress can help your brain in significant ways, says Elizabeth Lombardo, PhD, PT, a psychologist and physical therapist in Wexford, Pennsylvania, and the author of A Happy You: Your Ultimate Prescription for Happiness. “The best tip to improve your memory is: Reduce your stress,” says Dr. Lombardo. “Research shows that when people experience chronic stress, their hippocampus—the part of your brain that is responsible for some memories—literally shrinks in size.” In fact, a 2007 study in the journal Neurology by researchers at Rush University Medical School found that people who are easily distressed and had more negative emotions were more likely to develop memory problems than more easygoing people. How to reduce your stress? Consider delegating more tasks at work, clearing your social calendar for the weekend (there’s nothing wrong with having nothing on the calendar!) and purging negative relationships from your life.

3. Get plenty of zzz’s.
You’ve heard the concept of “sleeping on it” when you’re faced with a problem or difficult decision, right? Well, getting a good night’s sleep can help you improve your memory, too. "Sleep is critical for memory consolidation,” says Dr. Brown. “Getting at least six hours of uninterrupted sleep following exposure to new information can help in the recall of that information.” But there’s an important side note: “The trick is going directly to bed without inserting any new information or activity between what you want to recall and going to sleep—no reading, no TV, no sex, no music."

4. Eat more fruits and veggies.
Eating your spinach—and carrots and peas—is not only good for your body, it’s good for your memory, too. A recent Harvard study found that people who ate more vegetables had a slower decline of brain function as they aged. “Other studies, such as one published in Pharmacology, have shown that essential brain-boosting nutrients found in certain produce, such as quercetin and anthocyanin, may reverse memory loss,” says Tosca Reno, a health and fitness expert and author of the bestselling book The Eat-Clean Diet. You can find these compounds in cruciferous vegetables, such as Brussels sprouts, broccoli and cabbage, as well as in leafy greens, including kale, spinach and Swiss chard. Also load up on brightly colored produce such as berries, red apples, eggplant and grapes—their bright hue is an indication of their brain-boosting antioxidants.

5. Join a book club.
Not only is reading great for your brain, but discussing what you’ve read can improve your memory by leaps and bounds, says Sandra Bond Chapman, PhD. In fact, a book club with your closest girlfriends may help strengthen your brain’s frontal lobe function. “The frontal lobe is the last region of the brain to develop, but the first to decline with age,” explains Dr. Chapman. “To strengthen function of the frontal lobe, engage in deeper-level thinking activities such as interpreting what you read in a book, discussing the ‘larger messages’ in the book and pushing to see how many meanings you can derive from it.”

6. Go to yoga class.
What can a downward-facing-dog pose do for your memory? A lot, says Gina Norman, a yoga teacher in New York City. “A new study out of the University of North Carolina shows that brief meditative exercise helps cognition and skills essential to critical thinking,” she says. But if you’re not into yoga, exercise of any kind works to boost your brain, says Dr. Lombardo. “Research shows that exercise increases the blood flow to all areas of your body, including the brain and specifically areas involved in memory,” she says. “One study found that mice who exercised grew new brain cells in the dentate gyrus, a part of the hippocampus which can be affected by declines in memory as we get older.” Short on time? “Try running up a flight of stairs, jogging to a bathroom that is farther away from you, doing 50 jumping jacks, putting on a great song and dancing around, or grabbing your child’s hand and jumping on the bed together.”

7. Sniff some rosemary.
Parsley and sage are great, as is thyme, but when it comes to improving memory, rosemary is king. In a recent study, UK researchers looked at scents and how they boosted or detracted from mental performance. They found that office workers whose cubicles were infused with the scent of rosemary had better long-term memory than those in unscented cubes. “There are other essential oils that can help with memory, but rosemary is by far the best and most economical,” says Cher Core, an aromatherapist in Boston. “Diffuse rosemary essential oil in the air, wear it in a perfume, use it in mists and more. It is a good choice for those studying and folks who need help with memory, focus and concentration.”

8. Pay attention.
Duh, right? It may sound obvious, but according to experts, when most people think they’re having memory problems, it’s really because they were distracted or didn’t record the information in their brain properly to begin with, says Linda Edelstein, PhD, adjunct faculty at Northwestern University and the author of The Art of Midlife. “When people cannot retrieve information it is often because they haven't taken it in in the first place,” she says. “You cannot recall information that you did not store.” The number-one trick to paying closer attention? Stop multitasking and be fully present. That means setting down the BlackBerry while lunching with your friend, turning off the TV when you’re trying to read something and not letting your eyes—or mind—wander when chatting with someone at a party. You’ll be more likely to remember the person’s name.

9. Learn a new song.
Have you ever found yourself singing along to a song you love that debuted 10 years ago, and yet you still don’t know the lyrics? Learning the words could be fun, but it could also be good for your memory in general. By memorizing a song, “you will be working out at least two different kinds of memory, auditory and verbal, which is probably something you don't do very often,” says Cynthia Green, PhD, an expert on brain health and memory. “The research suggests that constantly challenging our brains with intellectual pursuits may boost our ‘cognitive reserve’ and can have the associated benefit of reducing our dementia risk over the long-term.”

10. Go ahead and doodle.
When’s the last time you grabbed a pencil and paper and let your mind go—drawing hearts and rainbows, or whatever scene or object popped into your head? Surprisingly, says Dr. Green, a free-flowing pen could be the key to strengthening your brain’s memory centers. “Doodling has been found in studies to boost concentration, which is an essential first step to learning and memory,” says Dr. Green. “After all, if you can't focus on information, you don't acquire it effectively, and you can never remember something you don't learn in the first place!”

Tuesday, March 15, 2011

Keeping counterfeits out of ads





(Cross-posted from the Google European Public Policy Blog.)



Thanks to the Internet, it’s never been easier to start a business and reach a huge audience, at an incredible scale. Unfortunately, some people misuse legitimate online services to try to market counterfeit goods. Of course, this isn’t a problem unique to the online world, but as the Web has grown, so have attempts to sell counterfeits online.



With over one million advertisers using AdWords in over 190 countries, how do we weed out the bad actors who violate our clear policies against advertising counterfeits? In the last six months of 2010 alone, we shut down approximately 50,000 AdWords accounts for attempting to advertise counterfeit goods. But there’s no silver bullet here. Instead, it’s a cat-and-mouse game, where we are constantly working to improve our practices and tune our systems to keep out the bad guys.



That’s why today we’re announcing three improvements designed to further improve our collaboration with brand owners to address the problem and prevent counterfeiters from abusing our services:

  • We’ll act on reliable AdWords counterfeit complaints within 24 hours. In 2009, we announced a new complaint form to make it fast and easy for brand owners to notify us of misuse. For brand owners who use this form responsibly, we’ll reduce our average response time to 24 hours or less.

  • We will improve our AdSense anti-counterfeit reviews. We have always prohibited our AdSense partners from placing Google ads on sites that include or link to sales of counterfeit goods. We will work more closely with brand owners to identify infringers and, when appropriate, expel them from the AdSense programme.

  • We’ve introduced a new help center page for reporting counterfeits. That way, we aim to make it easier for users and brand owners to find forms to report abuse.

These steps are our ways of facilitating co-operation with brand owners, which is absolutely essential in tackling the sale of counterfeits online. AdWords is just a conduit between advertisers and consumers and we can’t know whether any particular item out of the millions advertised is counterfeit or not.



Of course, we do more than simply respond to brand owners’ removal requests. We use their feedback to help us tune a set of sophisticated automated tools, which analyze thousands of signals along every step of the advertising process and help prevent bad ads from ever seeing the light of day. We devote significant engineering and machine resources in order to prevent violations of ads policies, including counterfeiting.



In fact, we invested over $60 million last year alone, and, in the last 6 months of 2010, more than 95% of accounts removed for counterfeits came down based on our own detection efforts. No system is perfect, but brand owner feedback has helped us improve over time – as our system gets more data about ads it has misclassified before, it gets better at counteracting new ways that bad guys try to cloak their behavior.



While our systems get better over time, counterfeiting remains a complex challenge, and we keep investing in anti-counterfeiting measures. After all, a Google user duped by a fake is far less likely to click on another Google ad in the future. Ads for counterfeits aren't just bad for the real brand holder – they're bad for users who can end up unknowingly buying sub-standard products, and they're bad for Google too.


Monday, March 14, 2011

Candidas dan penatalaksanaannya

species candidas yang biasa menyerang manusia adalah:
1. Candida albicans,
2. Candida (Torulopsis)glabrata,
3. Candida parapsilosis,
4. Candida tropicalis,
5. Candida krusei,
6. Candida kefyr,
7. Candida guilliermondii,
8. Candida lusitaniae,
9. Candida stellatoidea, dan
10.Candida dubliniensis.

ABSTRAK
Kandidiasis oral adalah infeksi pada mukosa rongga mulut yang disebabkan oleh Candida, paling sering disebabkan oleh Candida Albicans dan juga merupakan fungi yang paling sering ditemukan menginfeksi tubuh manusia. Kandidiasis oral dapat juga disebabkan oleh non Candida albicans Candida (NCAC) , dimana mempunyai manifestasi klinis yang sama, yang membedakan hanya sifat invasif masing-masing dan respon terhadap obat-obat anti fungi. C. tropicalis merupakan spesies NCAC yang mempunyai virulensi paling tinggi karena mempunyai kemampuan perlekatan pada sel-sel epitelial secara invitro dan mensekresi proteinase dalam level sedang. Candida tropicalis juga merupakan spesies Candida nomor dua yang paling sering dijumpai koloninya pada manusia. Penelitian melaporkan C.tropicalis sebagai penyebab kandidiasis oral dapat diidentifikasi 16% pada pasien rawat inap, yang dipicu karena adanya tekanan dari penggunaan obat-obat anti fungi khusus ataupun akibat penggunaan antibiotika sistemik. Laporan kasus ini membahas terjadinya kandidiasis oral pada penderita pria dewasa dengan median rhomboid glositis karena pemakaian antibiotik spektrum luas serta kortikosteroid topikal dengan dosis yang tidak tepat. Dengan pemeriksaan mikologi indirek didapatkan infeksi C. tropicalis. Penatalaksanaan kandidiasis oral ini yang pertama adalah mengeliminasi faktor predisposisi, optimalisasi oral hiegiene serta pemberian terapi obat kumur Chlorhexidine gluconate 0,25 % akan memberikan prognosa yang baik.

ABSTRACT
Oral candidiasis is oral mucosal infectious caused by Candida albicans or non-candida albicans candida (NCAC). Each Candida species infection have same clinical manifestation, the different only invasive nature and antifungi response. C. tropicalis is most virulence NCAC because the most adherence ability to epithelial cells in vitro as well as medium level proteinase secretion. In addition, C. topicalis is the second most common colony on human. A study reported of C. tropicalis as causa of 16 % hospitalized oral candidiasis, anti fungal drugs and systemic antibioitika was known as trigger factors. This
paper report and discuss oral candidiasis due to C.tropicalis in patient, adult male, with median rhomboid glossitis. The patient also used broad spectrum antibiotic and topical corticosteroid with imprecise dose.The management of this case was terminated antibiotic and corticosteroid, oral hygiene optimalization and was given 0,25% Chlorhexidine gluconate. However, oral hygiene optimalization, predisposition factors elimination, and, precise therapy would give a good prognosis.

Keywords: Kandidiasis oral, Candida tropicalis, Median rhomboid glossitis

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