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Born to be Wild? Thrill-Seeking Behavior May Be Based in the Brain
Sky diving and base jumping are not for everyone. However, for certain people, the more risk and adrenaline involved in an activity, the better! What draws some people to daredevil behavior while others shy away from it? view more (2009-02-12)
Sleepy fruit flies provide clues to learning and memory
Researchers at the University of Pennsylvania School of Medicine have discovered that a brain region previously known for its role in learning and memory also serves as the location of sleep regulation in fruit flies. view more (2006-06-16)
Tracing broken wiring in stroke patients
Researchers have used a technique to trace the functional disruption in brain circuitry that causes stroke patients to show a lack of awareness or response to the side of the body opposite to the side of the stroke lesion in the brain. view more (2007-03-15)
Johns Hopkins scientists map brain area that may aid hunt for human brain stem cells
A study led by a Johns Hopkins neurosurgeon has provided the first comprehensive map of a part of the adult human brain containing astrocytes, cells known to produce growth factors critical to the regeneration of damaged neural tissue and that potentially serve as brain stem cells. view more (2006-02-17)
Brain-behavior disconnect in cocaine addiction
Parts of the brain involved in monitoring behaviors and emotions show different levels of activity in cocaine users relative to non-drug users, even when both groups perform equally well on a psychological test. view more (2009-05-26)
Epsilon4 allele carriers show altered brain activity before onset of Alzheimer's symptoms
Healthy individuals who are at risk of Alzheimer's disease show reduced activity in the hippocampal region of the brain when performing tasks related to forming new memories. view more (2006-01-13)
New key brain target of fat hormone
Researchers have identified a new area of the brain that responds to the fat hormone leptin in regulating body weight and energy expenditure. view more (2006-01-19)
Study first to pinpoint why analgesic drugs may be less potent in females than in males
Investigators at Georgia State University's Neuroscience Institute and Center for Behavioral Neuroscience are the first to identify the most likely reason analgesic drug treatment is usually less potent in females than males. view more (2008-12-23)
Hard-wiring the fruit fly's visual system
Both vertebrate and fruit fly have so-called visual maps in the brain that represent the world they see. view more (2006-09-21)
JHU researcher discovers brain cells have 'memory'
As we look at the world around us, images flicker into our brains like so many disparate pixels on a computer screen that change every time our eyes move, which is several times a second. Yet we don't perceive the world as a constantly flashing computer display. view more (2009-04-03)
Prefrontal cortex loses neurons during adolescence, researchers find
Researchers at the University of Illinois have found that adolescence is a time of remodeling in the prefrontal cortex, a brain structure dedicated to higher functions such as planning and social behaviors. view more (2007-03-14)
Three neuronal growth factors may be key to understanding alcohol's effects
Growth factors are a large and diverse group of polypeptides critical for the development of the central nervous system view more (2006-01-25)
First Neuroimaging Study Examining Motor Execution in Children With Autism Reveals Brain Activation Differences, Decreased Connectivity Between Brain Regions
In the first neuroimaging study to examine motor execution in children with autism, researchers at the Kennedy Krieger Institute have uncovered important new insight into the neurological basis of autism. view more (2009-04-30)
Claritas Fossae tectonic region on Mars
These Mars Express images show Claritas Fossae, an ancient tectonic region on Mars, west of Solis Planum, a tectonic and volcanic area south-east of the Tharsis volcano group. The images were taken by the High-Resolution Stereo Camera (HRSC) on Mars in orbit 68 from an altitude of 271 km. The images are centred at 255.7° East and 30.9°... view more... (2004-03-31)
Matrix fragments trigger fatal excitement
Shredded extracellular matrix (ECM) is toxic to neurons. Chen et al. reveal a new mechanism for how ECM demolition causes brain damage. The study will appear in the December 29, 2008 issue of The Journal of Cell Biology (www.jcb.org). view more (2008-12-30)
UCLA/Toronto researchers unlock key to memory storage in brain
Scientists know little about how the brain assigns cells to participate in encoding and storing memories. Now a UCLA/University of Toronto team has discovered that a protein called CREB controls the odds of a neuron playing a role in memory formation. view more (2007-04-20)
Research study describes the role part of the brain plays in memory
A research with experimental rats carried out by the Institute of Neuroscience of the UAB describes the brain region connected to how our declarative memory functions. view more (2007-07-18)
Making sense of the world through a cochlear implant
Scientists at University College London and Imperial College London have shown how the brain makes sense of speech in a noisy environment, such as a pub or in a crowd. The research suggests that various regions of the brain work together to make sense of what it hears, but that when the speech is completely incomprehensible, the brain appears to... view more... (2007-03-13)
Obsessive-compulsive disorder: Cerebral electrostimulation unexpectedly effective in two patients
Thanks to a chance observation, Paris-based researchers (Inserm unit 289, theme: "Neurology and Experimental Therapy", and Clinical Investigation Center, Salp'™trie're Hospital) may have found a way of treating severe refractory forms of obsessive-compulsive disorder (OCD) . The team led by Yves Agid and Luc Mallet were attempting to cure... view more... (2002-10-24)
Researchers use brain scans to predict when people will buy products
For the first time, researchers have used functional magnetic resonance imaging (fMRI) to determine what parts of the brain are active when people consider whether to purchase a product and to predict whether or not they ultimately choose to buy the product. view more (2007-01-05)
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