Tiny wireless injectable LED device shines light on mouse brain, generating reward
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.
Neuroscience
Apr 11, 2013 |
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Birdsong study pecks theory that music is uniquely human
(Medical Xpress)—A bird listening to birdsong may experience some of the same emotions as a human listening to music, suggests a new study on white-throated sparrows, published in Frontiers of Evolutionary Ne ...
Neuroscience
Dec 27, 2012 |
5 / 5 (4) |
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Decision to give a group effort in the brain
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.
Neuroscience
Dec 23, 2012 |
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The biology behind binge eating
Female rats are much more likely to binge eat than male rats, according to new research that provides some of the strongest evidence yet that biology plays a role in eating disorders.
Diseases, Conditions, Syndromes
May 01, 2013 |
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Maternal diet sets up junk food addiction in babies, study finds
(Medical Xpress)—Research from the University of Adelaide suggests that mothers who eat junk food while pregnant have already programmed their babies to be addicted to a high fat, high sugar diet by the time they are weaned.
Health
Apr 30, 2013 |
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ADHD medicine affects the brain's reward system
(Medical Xpress)—A group of scientists from the University of Copenhagen has created a model that shows how some types of ADHD medicine influence the brain's reward system. The model makes it possible to ...
Neuroscience
Nov 09, 2012 |
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Scientists identify promising target for development of new alcohol abuse medications
(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 ...
Neuroscience
Nov 27, 2012 |
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Enzyme might be target for treating smoking, alcoholism at same time
An enzyme that appears to play a role in controlling the brain's response to nicotine and alcohol in mice might be a promising target for a drug that simultaneously would treat nicotine addiction and alcohol abuse in people, ...
Medical research
Sep 12, 2011 |
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Teens' brains are more sensitive to rewarding feedback from peers
Teenagers are risk-takers—they're more likely than children or adults to experiment with illicit substances, have unprotected sex, and drive recklessly. But research shows that teenagers have the knowledge and ability to ...
Psychology & Psychiatry
Apr 17, 2013 |
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Parkinson's treatment can trigger creativity
Parkinson's experts across the world have been reporting a remarkable phenomenon—many patients treated with drugs to increase the activity of dopamine in the brain as a therapy for motor symptoms such as ...
Parkinson's & Movement disorders
Jan 14, 2013 |
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Low dopamine levels during withdrawal promote relapse to smoking
Mark Twain said, "Giving up smoking is the easiest thing in the world. I know because I've done it thousands of times." Many smokers would agree that it's difficult to stay away from cigarettes. A new study in Biological Ps ...
Psychology & Psychiatry
Feb 08, 2012 |
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Internet addiction—Causes at the molecular level
Everybody is talking about Internet addiction. Medically, this phenomenon has not yet been as clearly described as nicotine or alcohol dependency. But a study conducted by researchers from the University of Bonn and the Central ...
Addiction
Aug 29, 2012 |
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New model to explain the role of dopamine in immune regulation described
Dopamine is a neurotransmitter that is associated with emotions, movement, and the brain's pleasure and reward system. In the current issue of Advances in Neuroimmune Biology, investigators provide a broad overview of the ...
Immunology
Oct 11, 2012 |
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Brain circuitry is different for women with anorexia and obesity
Why does one person become anorexic and another obese? A study recently published by a University of Colorado School of Medicine researcher shows that reward circuits in the brain are sensitized in anorexic women and desensitized ...
Neuroscience
May 14, 2012 |
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Findings on overeating may aid in the fight against obesity when metabolic and psychological treatments fail
(Medical Xpress)—A similar, insidious craving plagues all addicts, no matter the substance of choice. A new study published in NeuroImage from Center for BrainHealth scientists Dr. Francesca Filbey, assist ...
Neuroscience
Nov 26, 2012 |
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