News tagged with dopamine system
Immune system activated in schizophrenia
Nov 18, 2009 |
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Researchers at the Swedish medical university Karolinska Institutet have discovered that patients with recent-onset schizophrenia have higher levels of inflammatory substances in their brains. Their findings offer hope of ...
Fat hormone influences baseline dopamine levels and our motivation to eat
Aug 05, 2009 |
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As we all know from experience, people eat not only because they are hungry, but also because the food just simply tastes too good to pass up. Now, a new study in the August 6th Cell Metabolism, a Cell Press publication, helps ...
Scientists engineer supersensitive receptor, gain better understanding of dopamine system
Oct 14, 2008 |
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Genetically modifying a receptor found on the neurons that produce the neurotransmitter dopamine has given California Institute of Technology (Caltech) researchers a unique glimpse into the workings of the brain's dopamine ...
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Adult ADHD linked with dopamine levels
Aug 09, 2007 |
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Adults with attention-deficit/hyperactivity disorder have a reduced response to the drug Ritalin, U.S. government scientists have found.
Glutamate can play key role in drug impact on brain
Medicine & Health / Neuroscience
Dec 16, 2009 |
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(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 effect ...
Narcolepsy Drug Being Used to Improve Cognitive Performance Affects Brain Dopamine Activity
Mar 17, 2009 |
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Preliminary research in healthy men suggests that the narcolepsy drug modafinil, increasingly being used to enhance cognitive abilities, affects the activity of dopamine in the brain in a way that may create ...
1 sleepless night increases dopamine in the human brain
Aug 19, 2008 |
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Just one night without sleep can increase the amount of the chemical dopamine in the human brain, according to new imaging research in the August 20 issue of The Journal of Neuroscience. Because drugs that increase dopami ...
The birth and death of dopamine neurons: A new model for neurodegeneration
Biology /
Dec 10, 2007 |
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The gradual loss of dopamine neurons is a hallmark of many neurodegenerative diseases - Parkinson’s Disease chief among them. Stem cell biology and regenerative medicine offer novel therapies for the restoration of dopamine ...
New dopamine brain target discovered
Jan 23, 2007 |
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A team of Canadian researchers, lead by Dr. Susan George and Dr. Brian O'Dowd at the Centre for Addiction and Mental health (CAMH), discovered a distinct dopamine signalling complex in the brain. Composed of two different ...
Hormone ghrelin can boost resistance to Parkinson's disease
Medicine & Health / Neuroscience
Nov 25, 2009 |
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Ghrelin, a hormone produced in the stomach, may be used to boost resistance to, or slow, the development of Parkinson's disease, Yale School of Medicine researchers report in a study published in a recent issue of the Journal of ...
Injections of licorice ingredient show promise as treatment for cocaine addiction
Feb 20, 2009 |
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An ingredient in licorice shows promise as an antidote for the toxic effects of cocaine abuse, including deadly overdoses of the highly addictive drug, researchers in Korea and Pennsylvania are reporting. Their study is in ...
Obesity predisposition traced to the brain's reward system
Jul 29, 2008 |
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The tendency toward obesity is directly related to the brain system that is involved in food reward and addictive behaviors, according to a new study. Researchers at Tufts University School of Medicine (TUSM) and colleagues ...
New findings show additional similarity between opiate and nicotine addiction
Feb 13, 2008 |
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"That was good!" "Do it again." This is what the brain says when people use tobacco, as well as ‘hard drugs’ such as heroin. New research published in the February 13 issue of The Journal of Neuroscience indicates that t ...
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