News tagged with dopamine system

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 ...

Medicine & Health / Psychology & Psychiatry

created Feb 08, 2012 | popularity not rated yet | comments 0

Fighting Parkinson's with carbon nanoparticles

One of the problems affecting the human nervous system is dopamine deficiency. But testing of dopamine concentration is costly and requires sophisticated equipment not available in a doctor's office. Enter ...

Nanotechnology / Bio & Medicine

created Nov 29, 2011 | popularity not rated yet | comments 0

Children with certain dopamine system gene variants respond better to ADHD drug

Children with certain dopamine system gene variants have an improved response to methylphenidate - the most commonly prescribed medication for Attention Deficit Hyperactivity Disorder - in a finding that could help eliminate ...

Medicine & Health / Psychology & Psychiatry

created Oct 21, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Building a better antipsychotic drug by treating schizophrenia's cause

The classic symptoms of schizophrenia – paranoia, hallucinations, the inability to function socially—can be managed with antipsychotic drugs. But exactly how these drugs work has long been a mystery.

Medicine & Health / Neuroscience

created Aug 24, 2011 | popularity 4.7 / 5 (3) | comments 1 | with audio podcast

Everyday clairvoyance: How your brain makes near-future predictions

Every day we make thousands of tiny predictions — when the bus will arrive, who is knocking on the door, whether the dropped glass will break. Now, in one of the first studies of its kind, researchers at Washington University ...

Medicine & Health / Neuroscience

created Aug 17, 2011 | popularity 4.1 / 5 (8) | comments 17 | with audio podcast

Kidney dopamine regulates blood pressure, life span

The neurotransmitter dopamine is best known for its roles in the brain – in signaling pathways that control movement, motivation, reward, learning and memory.

Medicine & Health / Research

created Jul 19, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Feeding hormone ghrelin modulates ability of rewarding food to evoke dopamine release

New research findings 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, finds that ...

Medicine & Health / Research

created Jul 12, 2011 | popularity not rated yet | comments 0

Research reveals the biochemical connection between music and emotion

You are in a concert hall, listening to music you love, Ludwig von Beethoven's Ninth Symphony. You are happily awaiting the glorious climax in the fourth movement -- you know it's coming -- when the full orchestra ...

Medicine & Health / Neuroscience

created Jan 19, 2011 | popularity 4.6 / 5 (10) | comments 2 | with audio podcast

Happy extraverts are more creative: study

(PhysOrg.com) -- Outgoing people who are in a good mood are significantly more creative than people who keep themselves to themselves, according to a new study.

Medicine & Health / Psychology & Psychiatry

created Aug 03, 2010 | popularity 2.9 / 5 (11) | comments 7

Crayfish brain may offer rare insight into human decision making

Crayfish make surprisingly complex, cost-benefit calculations, finds a University of Maryland study, opening the door to a new line of research that may help unravel the cellular brain activity involved in ...

Biology / Plants & Animals

created Jun 15, 2010 | popularity 3.8 / 5 (4) | comments 3 | with audio podcast

Novel Parkinson's treatment strategy involves cell transplantation

UCSF scientists have used a novel cell-based strategy to treat motor symptoms in rats with a disease designed to mimic Parkinson's disease.

Medicine & Health / Research

created Mar 25, 2010 | popularity not rated yet | comments 0

Psychopaths' brains wired to seek rewards, no matter the consequences

The brains of psychopaths appear to be wired to keep seeking a reward at any cost, new research from Vanderbilt University finds. The research uncovers the role of the brain's reward system in psychopathy ...

Medicine & Health / Neuroscience

created Mar 14, 2010 | popularity 4.9 / 5 (27) | comments 18 | with audio podcast

Parkinson's patients shed light on role of reward bias in compulsive behaviors

New research unravels the brain mechanisms that underlie the ability of a standard drug treatment for Parkinson's to elicit compulsive behaviors in some patients with the disease. The study, published by Cell Press in the ...

Medicine & Health / Neuroscience

created Jan 13, 2010 | popularity not rated yet | comments 0

Immune system activated in schizophrenia

Researchers at the Swedish medical university Karolinska Institutet have discovered that patients with recent-onset schizophrenia have higher levels of inflammatory substances in their brains. Their findings offer hope of ...

Medicine & Health / Diseases

created Nov 18, 2009 | popularity 5 / 5 (1) | comments 1

Deficits in brain's reward system observed in ADHD patients

A brain-imaging study conducted at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory provides the first definitive evidence that patients suffering from attention deficit hyperactivity disorder (ADHD) have ...

Medicine & Health / Neuroscience

created Sep 08, 2009 | popularity 5 / 5 (4) | comments 0