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Tag: "brains" at medical news

A new century of Alzheimer's disease research

...e. Within the higher-functioning portions of their brains (the areas responsible for thought and memory), tw...archers, such as Dr. Younkin, believed that in the brains of people who have Alzheimer’s, AB42 is deposited first, providing the initial toxic damage that lea...

Amnesia Drug That Blocks Bad Memories on the Anvil

...them to remove a specific memory from the animals' brains while leaving the rest of their memories intact. An amnesia drug called U0126 was used in the study. The researchers trained the rats to associate two musical tones with a mild electrical shock, so that they would brace themselves for a shock when...

Insight Into Neural Stem Cells Has Implications For Designing Therapies

...subtypes of neurons when removed from the animals' brains and exposed to a cocktail of growth factors in a c...t known if these cells are heterogeneous. If human brains show a similar regionalization of stem cells, it might also be possible, says Alvarez-Buylla, to har...

Scientists Find Single Circuit Channeling Depression in Rats

...w research study released Thursday. Studying the brains of rats, researchers at the Stanford University Sc...ll-active slices of the hippocampus section of rat brains treated with flourescent dye, using high-speed high-resolution cameras to record activity in brain n...

New Conditions That Will Increase the Risk of Alzheimers Identified

...he researchers examined MRI images of participants brains so as to see whether they showed poor brain circulation, damaged blood vessels, or atrophy of the medical temporal lobe. It was found that subjects that showed any one or a combination of these symptoms were more likely to develop Alzheimers in th...

Researchers Say Brain Region Responsible for Pain's Ability to Seek Attention

... laser beam. Researchers scanned the volunteers' brains during the tasks using functional magnetic resonance imaging (fMRI) which uses harmless magnetic fields and radio waves to scan the brain to determine blood flow across regions, which reflects brain activity. Researchers identified a brain region c...

Brain Pathway for Depression Revealed

...th predicted that, as noninvasive imaging of human brains gets better in the next few years, researchers will be able to measure these same quantitative measures in people as well. "That will be a wonderful thing when that happens," he said. Mitzi Baker650-725-2106mabaker@stanford.edu...

Risk Factors for Alzheimers Disease

... we need to consider. MRI images of participants brains were examined to identify poor brain circulation, damaged blood vessels and/or atrophy of the medial temporal lobe. Subjects showing any one or a combination of these symptoms were more likely to develop Alzheimers in the following years. Similarly ...

Specific Protein is Instrumental in Myelination

...cesses essential to the creation and repair of the brains white matter. This groundbreaking discovery in mouse models points the way to developing treatments or interventions to enhance healthy brain development and/or brain disease repair in children and adults. The paper will be published in the August...

Now, 'virtual' Mouse Brains Available on the Net

...http: tinyurl.com/3cgj6z. Its goal is to use mouse brains as surrogates for human brains to study the connections between genes and brain structure. Investigators from all over the world...

Listening to MP3s During Lightning Could Be Disastrous to Your Brains

...stening to MP3s in a storm can literally blow your brains out as one man in Vancouver, Canada, found it out the hard way . Most people who are struck by lightning are not hit directly, but get a "side flash" when the electric discharge jumps from the object that was hit. In 2006, the 37-year-old Vancouve...

Stem Cells Research in Parkinsons Disease

...hemicals. The researchers also identified in the brains of the primate recipients a significant amount of ...s suggest that stem cells may actually trigger the brains own self-repair mechanisms by pumping out molecules that boost nerve survival and blood vessel devel...

Mild Stress During Pregnancy may Worsen Offspring's Risk of Cerebral Palsy

...o a mild level of stress. They then exposed the brains of the developing foetuses to injury. When the brains of the young mice were examined on birth, led by Pierre Gressens, MD, PhD and his team found that th...

Reason Behind Trouble Remembering in ADHD Kids Revealed

...e added. Tests of brain activity revealed that the brains of children with the condition recruited less neurone than was necessary for such operations. "Clearly, they're distracted because they're not getting the right information in the brain," said Keage.While presenting the finding at the World Congress ...

Genes Influence the Ability to Listen Two Things at a Time

...the right side of the brain before crossing to the brains language center on the left side by way of the corpus callosum, a pathway connecting the brain's right and left hemispheres. Todays finding that normal twins show such wide variation in their dichotic listening abilities, and that the differences a...

Chemical Compound in Turmeric Helps to Fight Alzheimers

...ear a protein called amyloid beta, which clogs the brains of Alzheimer's patients and kills brain cells....

Converting Left-hander to Right-hander also Changes the Brain

...has shown that such a shift changes the way their brains are organized, and how hard particular regions wor...e researchers say while some areas in such peoples brains continue to retain characteristics of a practising lefty, other areas switch to the patterns of a ri...

Sensible Diet, Exercise and Weight Control Increases Longevity

...ut one or both copies of the Irs2 gene only in the brains of mice. Mice lacking one copy of the Irs2 gene...he researchers also found that after eating, their brains showed higher levels of superoxide dismutase, an antioxidant enzyme that protects cells from damage ...

Pediatric Use of ADHD Drug may Affect Developing Brain

...lege in New York City. "The changes we saw in the brains of treated rats occurred in areas strongly linked ...al neuroanatomy and structure of the treated rats' brains at postnatal day 35, which is roughly equivalent to the adolescent period. "These brain tissue fin...

Solving Puzzles Could Boost Brain Power

...e the blood flow and activity in the participants' brains while they completed assigned tasks. According to Mozolic, the study is ongoing and will eventually include a total of 66 participants. "Behavioural and imaging data support our hypothesis that attention training can reduce multi-sensory integrat...

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