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Latest Dopamine Stories

Brain's Long-Term Reward System Relies On Dopamine
2013-08-05 10:15:52

Brett Smith for redOrbit.com - Your Universe Online From driving across country to graduating from college, long-term goals are often difficult to stay focused on when an immediate reward isn't within sight. A team of researchers from the University of Washington in Seattle and MIT has recently discovered new details on how the brain is able to stay focused until these long-term goals are achieved, according to a report in the journal Nature. The joint team's research builds on...

Motivation Lacking For Many Marijuana Users
2013-07-01 13:30:57

Lee Rannals for redOrbit.com - Your Universe Online Long-time marijuana smokers have a lack of motivation to work or pursue normal interests, according to a new study. Scientists at Imperial College London, University College London (UCL) and King's College London found long-term marijuana users tend to have lower levels of dopamine in a part of the brain called the striatum. They said this finding could explain why some users appear to have a lack of motivation. The team used PET...

Ritalin Improves Brain Function Cocaine Addicts
2013-06-28 08:40:11

redOrbit Staff & Wire Reports - Your Universe Online A single dose of Ritalin, a commonly prescribed drug used to treat attention deficit hyperactivity disorder (ADHD), helps improve brain function in people addicted to cocaine, according to new research from the Icahn School of Medicine at Mount Sinai. The study was published in the current issue of JAMA Psychiatry and found Ritalin, the brand name for methylphenidate, modified connectivity in certain brain circuits that underlie...

Addicted To Chocolate? Your Eyes May Just Be Able To Give You Away
2013-06-25 04:50:44

April Flowers for redOrbit.com - Your Universe Online A new study led by Drexel University has found a common, low-cost ophthalmological tool can measure the brain’s pleasure response to tasting food through the eyes. If the results are validated, this method could have applications for research and clinical work in food addiction and obesity prevention. The study testing the use of electroretinography (ERG) to indicate increases in the neurotransmitter dopamine in the retina, was led...

2013-06-02 23:00:52

Dopamine, the mood-enhancing hormone, might help give a memory boost, eReflect creator of Ultimate Memory announced today. A new study gives hope for better understanding of memory formation and how memory declines as people age. New York City, NY (PRWEB) June 03, 2013 Software company eReflect keeps track of all the latest research in memory science, to support and improve their self-improvement software, Ultimate Memory. As eReflect noted today, a new study under lead researcher Emrah...

2013-05-16 15:44:18

12-month treatment may impact adult ADHD patients' response to methylphenidate Long-term treatment of attention deficit/hyperactivity disorder (ADHD) with certain stimulant medications may alter the density of the dopamine transporter, according to research published May 15 in the open access journal PLOS ONE by Gene-Jack Wang and colleagues from Brookhaven National Laboratory and the intramural program at NIH. ADHD is commonly treated using drugs to target dysfunctional dopamine...

Experimental Cocaine Vaccine Effective On Mice, Primates
2013-05-11 09:39:58

Brett Smith for redOrbit.com — Your Universe Online Although trends are pointing to a decrease in recent years, cocaine use is still a major problem in the US, with 1.5 million users in 2010 — according to the Substance Abuse and Mental Health Services Administration (SAMHSA). To combat this highly addictive illegal drug, researchers at Weill Cornell Medical College are developing an “anti-cocaine vaccine” designed to keep the drug from creating the...

Insomnia In RLS Sufferers Linked To Brain Chemistry
2013-05-09 05:26:13

Lee Rannals for redOrbit.com - Your Universe Online Researchers writing in the journal Neurology say they have found an explanation for the ties between sleepless nights and restless legs syndrome (RLS). John Hopkins researchers used an MRI to snap images of the brain, and they found that a neurotransmitter involved in arousal known as glutamate is abnormally high in people suffering RLS. They saw that the more glutamate found in the brains of people with RLS, the worse they slept....


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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