- Sleep Deprivation And The Brain's Emotional 'Disconnect'
Without sleep, the emotional centers of the brain dramatically overreact to negative experiences, reveals a new brain imaging study in Current Biology. The reason for that hyperactive emotional response in sleep-deprived people stems from a shutdown of t ...
Article - News Staff - Nov 5 2010 - 11:12am
- Corticosterone, Genetics And The Addiction Of Nicotine
Individual brain chemistry and genes could be key to understanding why some people become addicted to nicotine and why the chemical compound's effects appear to diminish at night, University of Colorado at Boulder researchers say. "The depth of a ...
Article - News Staff - Nov 6 2007 - 12:16pm
- Young Chimps Have Better Short Term Memory Than Humans
Young chimpanzees have an “extraordinary” ability to remember numerals that is superior to that of human adults, according to a report in the December 4th issue of Current Biology. “There are still many people, including many biologists, who believe that h ...
Article - News Staff - Dec 3 2007 - 12:17pm
- This Is Your Brain On Violent Media
Violence is a frequent occurrence in television shows and movies, but can watching it make you behave differently? Although research has shown some correlation between exposure to media violence and real-life violent behavior, there has been little direct ...
Article - News Staff - Dec 6 2007 - 1:35pm
- A Genetic Foundation For Recognizing Faces
A new study of twins indicates that the genetic foundation for the brain’s ability to recognize faces and places is much stronger than for other objects, such as words. The results, which appear in the December 19 issue of the Journal of Neuroscience, are ...
Article - News Staff - Dec 19 2007 - 8:30am
- PET Scan Shows Brain Differences Among Young And Old When Thirsty
Twelve healthy subjects in their 60s and 70s showed a different pattern of brain activations during thirst and satiation than did 10 healthy subjects in their 20s who drank the same amounts and underwent imaging with positron-emission tomography (PET). Dys ...
Article - News Staff - Dec 19 2007 - 11:41am
- Researchers Chase Synaptojanin's Role In Neurotransmission
At its core, healthy neurological function hinges on the efficient passage of information between brain cells via the synapse. Figuring out how the synapse traffics this information-- a process called neurotransmission-- is crucial to understanding the fun ...
Article - News Staff - Dec 23 2007 - 8:30am
- Odd Good News For Soldiers: Some Brain Injuries Reduce Post Traumatic Stress
A new study of combat-exposed Vietnam War veterans shows that those with injuries to certain parts of the brain were less likely to develop post-traumatic stress disorder (PTSD). The findings, from the National Institutes of Health (NIH) and the National N ...
Article - News Staff - Dec 23 2007 - 11:25pm
- Long Term Study: Lasik Works
Laser surgery to correct vision problems has been in use since the early 1990s. Photorefractive Keratotomy (PRK) is typically used to correct low to moderate myopia, while laser in-situ keratomileusis (LASIK) is preferred for high myopia corrections. Altho ...
Article - News Staff - Dec 28 2007 - 3:47am
- False Tinnitus: Silence May Lead To Phantom Noises
Phantom noises, that mimic ringing in the ears associated with tinnitus, can be experienced by people with normal hearing in quiet situations, according to new research published in the January 2008 edition of Otolaryngology – Head and Neck Surgery. The Br ...
Article - News Staff - Jan 1 2008 - 3:37am