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Steady relationships reduce amphetamine's rewarding effects

Long-term relationships make the commonly abused drug amphetamine less appealing, according to a new animal study in the June 1 issue of The Journal of Neuroscience. The findings suggest that social...

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Ghrelin increases willingness to pay for food

Research to be presented at the upcoming annual meeting of the Society for the Study of Ingestive Behavior (SSIB), the foremost society for research into all aspects of eating and drinking behavior,...

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Mechanism links substance abuse with vulnerability to depression

It is well established that a mood disorder can increase an individual's risk for substance abuse, but there is also evidence that the converse is true; substance abuse can increase a person's...

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Brain strain: Christmas shopping when money tight

(AP) -- Chennel King, a nurse from Norwalk, Conn., went Christmas shopping the other day with a new holiday companion: a budget.

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How the brain puts the brakes on the negative impact of cocaine

Research published by Cell Press in the January 12 issue of the journal Neuron provides fascinating insight into a newly discovered brain mechanism that limits the rewarding impact of cocaine. The...

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Study offers clue as to why alcohol is addicting: Drinking releases brain...

(Medical Xpress) -- Drinking alcohol leads to the release of endorphins in areas of the brain that produce feelings of pleasure and reward, according to a study led by researchers at the Ernest Gallo...

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Binge eating improves with deep brain stimulation surgery

Deep brain stimulation reduces binge eating in mice, suggesting that this surgery, which is approved for treatment of certain neurologic and psychiatric disorders, may also be an effective therapy for...

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Snacking and BMI linked to double effect of brain activity and self-control

Snack consumption and BMI are linked to both brain activity and self-control, new research has found.

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Cocaine withdrawal: Emotional 'brakes' stay on after cocaine wears off

Washington State University researchers have found a cellular mechanism that contributes to the lack of motivation and negative emotions of a cocaine addict going through withdrawal. Their discovery,...

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Researchers find link between peptide that switches during stress and depression

(Medical Xpress)—Researchers working out of the University of Washington have found that a certain peptide normally involved in helping the brain experience pleasure is caused to switch when subjected...

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Morphine and cocaine affect reward sensation differently

(Medical Xpress)—A new study by scientists in the US has found that the opiate morphine and the stimulant cocaine act on the reward centers in the brain in different ways, contradicting previous...

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Scientists identify promising target for development of new alcohol abuse...

(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...

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Turning repulsive feelings into desires

Hunger, thirst, stress and drugs can create a change in the brain that transforms a repulsive feeling into a strong positive "wanting," a new University of Michigan study indicates.

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Scientists pinpoint how deep brain stimulation eases OCD

(HealthDay)—Deep brain stimulation has helped people with severe obsessive-compulsive disorder, and new research begins to explain why.

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Psychologists uncover brain-imaging inaccuracies

(Medical Xpress)—Traditional methods of fMRI analysis systematically skew which regions of the brain appear to be activating, potentially invalidating hundreds of papers that use the technique.

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Discovery could yield treatment for cocaine addicts

Scientists have discovered a molecular process in the brain triggered by cocaine use that could provide a target for treatments to prevent or reverse addiction to the drug.

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Parkinsons' drug helps older people to make decisions

A drug widely used to treat Parkinson's Disease can help to reverse age-related impairments in decision making in some older people, a study from researchers at the Wellcome Trust Centre for...

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New study shows what happens in the brain to make music rewarding

A new study reveals what happens in our brain when we decide to purchase a piece of music when we hear it for the first time. The study, conducted at the Montreal Neurological Institute and Hospital –...

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Researchers identify pathway that may protect against cocaine addiction

(Medical Xpress)—A study by researchers at the National Institutes of Health gives insight into changes in the reward circuitry of the brain that may provide resistance against cocaine addiction....

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Binge eating curbed by deep brain stimulation in animal model, study shows

(Medical Xpress)—Deep brain stimulation (DBS) in a precise region of the brain appears to reduce caloric intake and prompt weight loss in obese animal models, according to a new study led by...

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