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Dopamine Increased In The Human Brain By Just 1 Sleepless Night

Just one night without sleep can increase the amount of the chemical dopamine in the human brain, according to new imaging research in the August 20 issue of The Journal of Neuroscience. Because drugs that increase dopamine, like amphetamines, promote wakefulness, the findings offer a potential mechanism explaining how the brain helps people stay awake despite the urge to sleep.
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Driven toward reward without regard for consequence

Health : Healthland (5 years ago)

An overactive dopamine reward system in the brain may help explain why psychopaths pursue rewards without regard for consequences, according to new research published this week in the journal Nature Neuroscience. Previous research h... Read Post

Gene Predicts How Brain Responds To Fatigue, Human Study Shows

Health : Medical News Today (5 years ago)

New imaging research in the June 24 issue of The Journal of Neuroscience helps explain why sleep deprivation affects some people more than others. After staying awake all night, those who are genetically vulnerable to sleep loss sho... Read Post

Dopamine's Opposing Effects Separated By A Few Millimeters In The Brain

Health : Medical News Today (6 years ago)

The chemical dopamine induces both desire and dread, according to new animal research in the July 9 issue of The Journal of Neuroscience. Although dopamine is well known to motivate animals and people to seek positive rewards, the s... Read Post


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