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Latest Dopamine receptor Stories

Dopamine Receptor Gene Variant Linked To Longevity
2013-01-04 10:02:42

Connie K. Ho for redOrbit.com — Your Universe Online A study by brain researchers at the University of California, Irvine (UCI) recently found that a dopamine-receptor gene variant that is related to personality traits can also impact healthy aging. Their findings were published in the January 2 edition of The Journal of Neuroscience. In the paper, the researchers described how the gene variant, known as DRD4 7R allele, is associated with both active personality traits and longer...

Gene Plays A Role In Binge Drinking In Young Teenagers
2012-12-04 11:52:17

Lawrence LeBlond for redOrbit.com - Your Universe Online It´s an undeniable fact that many teenagers are going to experiment with alcohol before they are mentally ready enough to do so. Now, a new study may help explain why some of these teenagers are more prone to continue drinking alcohol after trying it than others are. A study, led by researchers at King´s College London´s Institute of Psychiatry (IoP), provides the most detailed understanding yet of the brain process...

Educational Achievement Possibly Affected by Genes
2012-07-03 06:04:45

Connie K. Ho for redOrbit.com — Your Universe Online The debate regarding nurture versus nature is contentious. New research delves into discussion with a study on the impact of genes on school achievement. According to the American Psychological Association (APA), researchers have determined that genetic markets could impact whether a person graduates high school and continues onto higher education. The study, published in the July issue of the APA´s Development Psychology,...

2012-03-21 05:44:35

(Ivanhoe Newswire)-- Research has shown that those who survived strokes and enjoy music, art, painting, and theater have a better chance of recovery and a higher quality of life than those who don't. Stroke is the third cause of death in the western world and the first cause of disability in adults. "We know that every six seconds there is a person affected by stroke in the world," lead author Dr. Ercole Vellone, assistant professor in nursing science at the School of Nursing,...

2012-02-16 11:19:22

New evidence that receptors for brain's 'reward' chemical provide protection Brain scans of two strains of mice imbibing significant quantities of alcohol reveal serious shrinkage in some brain regions - but only in mice lacking a particular type of receptor for dopamine, the brain's "reward" chemical. The study, conducted at the U.S. Department of Energy's Brookhaven National Laboratory and published in the May 2012 issue of Alcoholism: Clinical and Experimental Research, now online,...

2012-02-08 18:30:41

Mark Twain said, "Giving up smoking is the easiest thing in the world. I know because I've done it thousands of times." Many smokers would agree that it's difficult to stay away from cigarettes. A new study in Biological Psychiatry this month now suggests that low dopamine levels that occur as a result of withdrawal from smoking actually promote the relapse to smoking. Dopamine is a brain chemical messenger that is critically important in reward and motivation. Some research suggests that...

2012-02-08 10:25:54

A 7-decades mystery solved It has long been known that psychostimulant drugs have the paradoxical effect of reducing hyperactivity. [Psychostimulant drugs include methylphenidate — known by the trade names Ritalin, Concerta, and Methylin — and methamphetamine]. Since the mid-1950s, millions of children and adults have been prescribed stimulant medications to control attention deficit hyperactivity disorder (ADHD). But for more than seven decades, since the first experiment that...

2011-10-21 14:02:27

Children with certain dopamine system gene variants have an improved response to methylphenidate - the most commonly prescribed medication for Attention Deficit Hyperactivity Disorder - in a finding that could help eliminate the guesswork from prescribing effective medications for children with ADHD. Researchers reporting their results in the Oct. 21 Journal of the American Academy of Child and Adolescent Psychiatry tested 89 children with ADHD between ages 7 and 11. They found that...

2011-08-31 12:44:08

"Our data indicate that the brain becomes hypersensitive to rewards when this co-signaling of glutamate and dopamine does not function. Lower doses than normal are enough to increase the propensity to ingest the substance, and this is true of both sugar and cocaine," says Ã…sa Mackenzie, associate professor of neuroscience at Uppsala University and the researcher who led the study. Addiction disorders are a major social problem, and we lack sufficient knowledge of how they...


Word of the Day
attercop
  • A spider.
  • Figuratively, a peevish, testy, ill-natured person.
'Attercop' comes from the Old English 'atorcoppe,' where 'atter' means 'poison, venom' and‎ 'cop' means 'spider.' 'Coppa' is a derivative of 'cop,' top, summit, round head, or 'copp,' cup, vessel, which refers to 'the supposed venomous properties of spiders,' says the OED. 'Copp' is still found in the word 'cobweb.'
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