Articles with the keyword: 
Secret of Newborn's First Words Revealed
kavin submitted, created time 1 week 23 minutes (www.sciencedaily.com)
A new study could explain why "daddy" and "mommy" are often a baby's first words – the human brain may be hard-wired to recognize certain repetition patterns. Using the latest optical brain imaging techniques, University of British Columbia post-doctoral fellow Judit Gervain and a team of researchers from Italy and Chile documented brain activities of twenty-two newborns (two to three days old) when exposed to recordings of made-up words 
Animal Intelligence and the Evolution of the Human Mind
jerry submitted, created time 1 week 1 day (www.sciam.com)
The human brain lacks conspicuous characteristics—such as relative or absolute size—that might account for humans’ superior intellect. This article in Scientific American is a smoothly written and interesting discussion of how scientists have found ways to measure intelligence in non-human species--especially primates--and of the speculation on the reasons behind human intelligence.
jerry submitted, created time 1 month 1 week (sciencenow.sciencemag.org)
It's 4 a.m. and you're stumbling to the bathroom, regretting that bottle of water you chugged before bed. This early morning trip to the loo may seem like a simple response to a full bladder, but new research in rats suggests that your bladder may actually be influencing various brain areas, including those responsible for memory and concentration.
Frequent trips to the bathroom are a regular annoyance for one of every six people in the United States
Big brains arose twice in higher primates
sea-maid submitted, created time 1 month 2 weeks (esciencenews.com)
After taking a fresh look at an old fossil, John Flynn, Frick Curator of Paleontology at the American Museum of Natural History, and colleagues were able to confirm the theory that large brain size has developed more than once in the primate evolutionary tree.
sea-maid submitted, created time 2 months 1 week (sciencenow.sciencemag.org)
The main strength of the paper is that it shows how the two different "moral motivations" were isolated and details the investigation of how they are represented in the brain.
Why Is This Stroke Drug So Dangerous?
jerry submitted, created time 2 months 1 week (sciencenow.sciencemag.org)
A stroke drug known as tPA, or tissue plasminogen activator, has been a lightning rod since it was first approved in the United States in 1996. Although studies have found that the drug can reduce the brain damage wrought by strokes, it can also cause potentially fatal bouts of cerebral bleeding. Now a team of researchers has identified one reason for tPA's ill effect. And it turns out that in mice, the problem can be eased by administering a cancer drug.
A nervy approach to weight loss
sea-maid submitted, created time 2 months 3 weeks (www.latimes.com)
From this study, disrupting the vagus nerve, which runs between the gut and the brain, may supplant obesity surgery.
Stem cells improve myelination in shiverer mice
Darkfrog submitted, created time 3 months 1 day (www.nature.com)
Researchers have used human glial progenitor cells taken from fetal white matter to cure shiverer mice of thier shakes. Although the mice were still obviously ill, some of them lived much longer than their controls. The control mice were all dead by 130 days, but some of the injected mice lived for eighteen months. When they were dissected, researchers found a level of myelination that they refer to as "stunning." They also note that the logner the mice lived, the better they got
Monkeys show amazing learning curve with thought-controlled prosthetics
Darkfrog submitted, created time 3 months 1 week (www.nytimes.com)
Monkeys with small (as in a mm or so wide) grid implanted just beneath their skulls have shown themselves able to control a mechanical arm with their thoughts.
This is an NYT writeup of an article originally published in Nature. Scientists first taught the monkeys how to control a mechanical arm with a joystick, then implanted a small grid, only a mm or so wide, onto the motor centers of their brains. The monkeys' own arms were then gently restrained. The scientists used a computer to move the arm at first. The article uses the expression, "teaching with biofeedback
Childhood exposure can affect the brain
kavin submitted, created time 3 months 1 week (www.sciencenews.org)
The effects of lead weigh heavy on the minds of people exposed to the metal during childhood. Two new studies of adults who lived in lead-contaminated housing as kids find that higher lead levels in the blood during childhood are associated with smaller brains and with an increased risk for violent criminal behavior.
The Neurochemistry of Forgiving and Forgetting
jerry submitted, created time 3 months 2 weeks (sciencenow.sciencemag.org)
A new study shows that the hormone oxytocin may spur us to trust others even after they have betrayed us by suppressing a region of the brain that signals fear. The findings could lead to a better understanding of social phobias and related disorders.
sea-maid submitted, created time 3 months 2 weeks (www.newscientist.com)
The brain is the most complex organ in the human body. This article is a brief overview of human knowledge of the brain.
Blocking brain enzyme helped mice stay slim
kavin submitted, created time 4 months 10 hours (feeds.feedburner.com)
In this study, the researchers found that blocking a single brain enzyme helped short-circuit a key hunger signal in mice and made them eat less, lose weight and have better blood sugar control. While much more research lies ahead, they said the finding may lead to new treatments for obesity and diabetes in humans.
Catch cancer with a knowing hand
sumsung submitted, created time 4 months 3 weeks (features.us.reuters.com)
When it comes to detecting cancer, a visit to your doctor is always the most effective option, but a knowing hand doesn't hurt. While there is no evidence that self-examinations of breasts and genitals leads to earlier detection of cancer, an awareness of what is normal for each individual can help a patient notice when something changes, said Dr Durado Brooks, the American Cancer Society's prostate and colorectal cancer director.
jane2007 submitted, created time 4 months 4 weeks (www.nature.com)
Children with dyslexia have trouble learning to read, but the cause of their difficulties depends on what language they are attempting to learn, according to a study.
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