News tagged with drug addicts
Compulsive eating shares addictive biochemical mechanism with cocaine, heroin abuse: study
In a newly published study, scientists from The Scripps Research Institute have shown for the first time that the same molecular mechanisms that drive people into drug addiction are behind the compulsion to overeat, pushing ...
Medicine & Health / Neuroscience
Mar 28, 2010 |
4.5 / 5 (10) |
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Dopamine enhances expectation of pleasure in humans
(PhysOrg.com) -- Enhancing the effects of the brain chemical dopamine influences how people make life choices by affecting expectations of pleasure, according to new research from the UCL Institute of Neurology.
Medicine & Health / Neuroscience
Nov 12, 2009 |
4.2 / 5 (10) |
0
Flipping the brain's addiction switch without drugs
When someone becomes dependent on drugs or alcohol, the brain's pleasure center gets hijacked, disrupting the normal functioning of its reward circuitry.
Medicine & Health / Medical research
May 28, 2009 |
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Scientists crack molecular code regulating neuronal excitability
A key question in protein biochemistry is how proteins recognize "correct" interaction partners in a sea of cellular factors. Nowhere is that more critical to know than in the brain, where interactions governing ...
Medicine & Health / Medical research
Mar 22, 2011 |
5 / 5 (2) |
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Miniature 'wearable' PET scanner ready for use (w/ Video)
(PhysOrg.com) -- Scientists from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, Stony Brook University, and collaborators have demonstrated the efficacy of a "wearable," portable PET ...
Medicine & Health / Medical research
Mar 13, 2011 |
4.7 / 5 (3) |
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Binge eaters' dopamine levels spike at sight, smell of food
(PhysOrg.com) -- A brain imaging study at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory reveals a subtle difference between ordinary obese subjects and those who compulsively overeat, ...
Medicine & Health / Medical research
Feb 28, 2011 |
5 / 5 (2) |
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A thirst for excitement is hidden in your genes
Sensation seeking -- the urge to do exciting things -- has been linked to dopamine, a chemical that carries messages in your brain. For a new study published in Psychological Science, a journal of the Association for Psycho ...
Medicine & Health / Psychology & Psychiatry
Oct 05, 2010 |
4 / 5 (3) |
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Milkshake like cocaine for overeaters: Imaging shows the powerful impact food has on the brain
Millions of overweight Americans consider food the enemy. And according to new research, this enemy plays devious mind games.
Medicine & Health / Neuroscience
Sep 30, 2010 |
5 / 5 (5) |
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Desire and dread: Brain's computer has separate keyboard to control powerful emotions
(PhysOrg.com) -- Controlling powerful emotional reactions is often difficult because the brain's computer has a separate "keyboard" that controls feelings within extreme emotions like desire and dread, according to University ...
Medicine & Health / Psychology & Psychiatry
Jun 30, 2010 |
4.7 / 5 (7) |
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Birds and mammals share a common brain circuit for learning
(PhysOrg.com) -- Bird song learning is a model system for studying the general principles of learning, but attempts to draw parallels between learning in birds and mammals have been difficult because of anatomical ...
May 18, 2010 |
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Problem gamblers provoked by 'near misses' to gamble more
The brains of problem gamblers react more intensely to "near misses" than casual gamblers, possibly spurring them on to play more, according to new research in the May 5 issue of The Journal of Neuroscience. The re ...
Medicine & Health / Neuroscience
May 04, 2010 |
3.5 / 5 (4) |
3
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Smoking is dumb: Researcher finds link between cigarette smoking and IQ
"Only dopes use dope," goes the memorable warning about drugs. Now a Tel Aviv University researcher cautions that the same goes for cigarettes.
Apr 01, 2010 |
4.1 / 5 (23) |
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Loss of epigenetic regulators causes mental retardation (w/ Video)
(PhysOrg.com) -- Developing neurons don’t just need the right genes to guide them as they grow, they need access to the right genes at the right times. The improper functioning of one specific protein complex that normally ...
Medicine & Health / Neuroscience
Jan 11, 2010 |
5 / 5 (3) |
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New mechanism underlying cocaine addiction discovered
Researchers have identified a key epigenetic mechanism in the brain that helps explain cocaine's addictiveness, according to research funded by the National Institute on Drug Abuse (NIDA), part of the National Institutes ...
Medicine & Health / Medical research
Jan 07, 2010 |
4 / 5 (2) |
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A new ally in the battle against cocaine addiction
A recent study shows that a bacterial protein may help cocaine addicts break the habit.
Medicine & Health / Medical research
Jan 02, 2010 |
3.3 / 5 (4) |
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