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Binge eaters’ dopamine levels spike at sight, smell of food

UPTON, NY - 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, or binge: In binge eaters but not ordinary obes...

Free radicals may be good for you

Fear of free radicals may be exaggerated, according to scientists from the Swedish medical university Karolinska Institutet. A new study, published in the Journal of Physiology, shows that free radicals act as signal substances that cause the heart ...

Deep brain stimulation helps severe OCD, but pioneer advises caution

PROVIDENCE, R.I. [Brown University] -- When obsessive-compulsive disorder is of crippling severity and drugs and behavior therapy can't help, there has been for just over a year a thread -- or rather a wire -- of hope. By inserting a thin elec...

First-of-its-kind study shows benefits of electrical stimulation therapy for people paralyzed...

Feb. 17, 2011 -- A new treatment approach which uses tiny bursts of electricity to reawaken paralyzed muscles "significantly" reduced disability and improved grasping in people with incomplete spinal cord injuries, beyond the effects of standa...

Beyond improving Parkinson’s symptoms, does deep brain stimulation stall their progression?

LOS ANGELES (Jan. 17, 2011) -- Parkinson's disease symptoms begin subtly and worsen as damage to certain brain cells continues. But an electrical stimulation device implanted deep in the brain and programmed remotely, along with medications, may pr...

Noninvasive brain stimulation helps improve motor function in stroke patients

BOSTON -- A noninvasive electric stimulation technique administered to both sides of the brain can help stroke patients who have lost motor skills in their hands and arms, according to a new study led by researchers at Beth Israel Deaconess Medical ...

Mind over matter: Study shows we consciously exert control over individual...

Every day our brains are flooded by stimulation -- sounds, sights and smells. At the same time, we are constantly engaged in an inner dialogue, ruminating about the past, musing about the future. Somehow the brain filters all this input instantly,...

Researchers reach consensus on use of deep brain stimulation to treat...

Since the late 1990s, deep brain stimulation (DBS) has proven to be a lifeline for some patients suffering from Parkinson's disease, a cruel neurological disorder that can cause lack of control over movement, poor balance and coordination, and rigid...

Brain stimulation can change the hand you favor

Each time we perform a simple task, like pushing an elevator button or reaching for a cup of coffee, the brain races...

Scientists use light to stimulate muscle movement in mice

Researchers at Stanford University were able to use light to induce normal patterns of muscle contraction, in a study involving bioengineered...

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