- Alzheimer’s Prevention Role Discovered For Prions
A role for prion proteins, the much debated agents of mad cow disease and vCJD, has been identified. It appears that the normal prions produced by the body help to prevent the plaques that build up in the brain to cause Alzheimer’s disease. The possible fu ...
Article - News Staff - Jul 1 2007 - 10:24am
- Exercise Stimulates The Formation Of New Brain Cells
Exercise has a similar effect to antidepressants on depression. This has been shown by previous research. Now Astrid Bjørnebekk at Karolinska Institutet has explained how this can happen: exercise stimulates the production of new brain cells. In a series o ...
Article - News Staff - Jun 28 2007 - 11:57pm
- Understanding Smooth Eye Pursuit
Researchers have come a step closer to understanding the incredible targeting system of human vision, namely how the brain and eye team up to spot an object in motion and follow it, a classic question of human motor control. The study shows that two distin ...
Article - News Staff - Jul 2 2007 - 11:55am
- Even Color Is Subjective, Researchers Say
In some regions of Central Europe, salad dressing is made with pumpkin seed oil, which has a strong characteristic nutty flavor and striking color properties- in the bottle it appears red, but it looks green in a salad dressing. Samo and Marko Kreft's ...
Article - News Staff - Jul 7 2007 - 10:03am
- Why Your Mom Seemed To Have Eyes In The Back Of Her Head
Salk Institute neurobiologists are beginning to tease apart the complex brain networks that enable humans and other higher mammals to fix our gaze on one object while independently directing attention to others- that pesky method mom used to always know yo ...
Article - News Staff - Jul 7 2007 - 1:47am
- Eye Test Causes Severe Lethargy In Infants
New research suggests that an eyedrop used to diagnose a rare syndrome in infants can cause severe lethargy lasting up to 10 hours and requiring hospital admission and oxygen administration. In the article “Adverse Effects of Apraclonidine Used in the Diag ...
Article - News Staff - Jul 16 2007 - 11:50am
- Nerve Cell Communication Breakthrough May Rewrite 60 Years Of Brain Studies
The classic model of how brain cells communicate was put forth in 1943 by Warren McCulloch and Walter Pitts, at the time the first digital computers were being envisaged, and the McCulloch-Pitts model suggested that brain cells communicate in a binary fash ...
Article - News Staff - Jul 17 2007 - 1:25am
- Booze Means Bad Behavior? Not So, Says Study
The link between alcohol and aggression is well known. What’s not so clear is just why drunks get belligerent. What is it about the brain-on-alcohol that makes fighting seem like a good idea" And do all intoxicated people get more aggressive" Or ...
Article - News Staff - Jul 18 2007 - 9:51am
- Nucleus Accumbens And The Placebo Effect
Jon-Kar Zubieta and colleagues have pinpointed a brain region central to the machinery of the placebo effect—the often controversial phenomenon in which a person’s belief in the efficacy of a treatment such as a painkilling drug influences its effect. The ...
Article - News Staff - Jul 18 2007 - 1:58pm
- Success Of Citalopram For Depression Predicted By Gene Variation
A variation in a gene called GRIK4 appears to make people with depression more likely to respond to the medication citalopram (Celexa) than are people without the variation, a study by the National Institute of Mental Health (NIMH) has found. The increased ...
Article - News Staff - Aug 1 2007 - 1:36pm