News tagged with reward system

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New leads on the causes of alcoholism

In order to develop new medications for alcoholism, researchers need to understand how alcohol acts on the brain's reward system. A previously unknown mechanism has been shown to block the rewarding effects of alcohol on ...

Apr 04, 2011
5 / 5 (1) 0

Genetic changes behind sweet tooth

The substance ghrelin plays an important role in various addictions, such as alcoholism and binge-eating. It also impacts on sugar consumption, which is due, in part, to genetic factors, reveals new research from the University ...

Apr 04, 2011
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Unlocking the secrets of our compulsions

Researchers have shed new light on dopamine's role in the brain's reward system, which could provide insight into impulse control problems associated with addiction and a number of psychiatric disorders.

Dec 08, 2010
4.7 / 5 (3) 0 | with audio podcast

Drug decreases alcohol cravings

Rapamycin, an FDA-approved drug prescribed to prevent the rejection of transplanted organs, has been shown for the first time to decrease excessive alcohol consumption, binge drinking, and alcohol-seeking behavior in rodents. ...

Nov 02, 2010
5 / 5 (4) 0 | with audio podcast

Why the craving for cocaine won't go away

People who have used cocaine run a great risk of becoming addicted, even after long drug-free periods. Now researchers at Linköping University and their colleagues can point to a specific molecule in the brain as a possible ...

Sep 16, 2010
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Glutamate can play key role in drug impact on brain

(PhysOrg.com) -- Addiction disorders of various kinds are a major health and social problem, and our knowledge of how the brain’s reward system functions needs to be enhanced. Uppsala researchers now shows an unexpected ...

Dec 16, 2009
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