Researchers at the University of Gothenburg show that mice that receive a supplement of the "appetite hormone" ghrelin increase their sexual activity. Whether the hormone has the same impact on humans is unknown, but if it ...
Jan 27, 2015
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Within a few months after drug withdrawal, patients in recovery from dependence on prescription pain medications may show signs that the body's natural reward systems are normalizing, reports a study in the Journal of Addiction ...
Dec 9, 2014
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(Medical Xpress)—Dr Peter Bosch focused his research on how the brain's natural reward pathways are strongly stimulated following exposure to methamphetamine.
May 21, 2014
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(Medical Xpress)—A synthetic gene module controlled by the happiness hormone dopamine produces an agent that lowers blood pressure. This opens up new avenues for therapies that are remote-controlled via the subsconscious.
Oct 15, 2013
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Maximum reward, minimum punishment: these are the maxims humans and animals often apply when making decisions. A network of nerve cells in the brain conveys gratification. This reward system uses the messenger substance dopamine ...
Sep 11, 2013
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Scientists from the Florida campus of The Scripps Research Institute have described findings that could enable the development of more effective drugs for addiction with fewer side effects.
Aug 2, 2013
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Extroverts may be more outgoing and cheerful in part because of their brain chemistry, reports a study by Cornell neuroscientists.
Jul 11, 2013
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Using a miniature electronic device implanted in the brain, scientists have tapped into the internal reward system of mice, prodding neurons to release dopamine, a chemical associated with pleasure.
Apr 11, 2013
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A monkey would probably never agree that it is better to give than to receive, but they do apparently get some reward from giving to another monkey.
Dec 23, 2012
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(Medical Xpress)—Decreasing the level of a key brain protein led to significantly less drinking and alcohol-seeking behavior in rats and mice that had been trained to drink, according to a study by researchers at the Ernest ...
Nov 27, 2012
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