Dopamine News and Research

Latest Dopamine News and Research

Methamphetamine use has long-term behavioral consequences

Young adults who use methamphetamine may be more vulnerable to age-related brain degeneration when they grow older, new animal research suggests.

16 Aug 2007

Variant of the dopamine receptor gene may be associated with ADHD

A variant of the dopamine receptor gene may be associated with attention-deficit/hyperactivity disorder (ADHD) and with thinner tissue in areas of the brain that handle attention, but also appears associated with better clinical outcomes among individuals with the disorder, according to a report in the August issue of Archives of General Psychiatry , one of the JAMA/Archives journals.

7 Aug 2007

Brain areas that control attention thinnest in children with ADHD

Brain areas that control attention were thinnest in children with attention deficit hyperactivity disorder (ADHD) who carried a particular version of a gene in a study by the National Institutes of Health's (NIH) National Institute of Mental Health (NIMH).

7 Aug 2007

ADHD linked to depressed dopamine activity in the brain

Adults with attention-deficit/hyperactivity disorder (ADHD) show a blunted response to the drug methylphenidate (Ritalin), which increases brain dopamine levels, according to a report in the August issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

7 Aug 2007

Autonomous glial mechanism may drive circadian rhythms

Glial cells of the nervous system, once thought to function strictly as support cells for neurons, are now thought to actively modulate them.

2 Aug 2007

New view on role of protein synthesis in memory formation

New research from the University of Illinois challenges the premise that the brain must build new proteins in response to an experience for that experience to be recorded in long-term memory.

27 Jul 2007

Tetrabenazine protects brain cells in Huntington's disease model

A drug used in some countries to treat the symptoms of Huntington's disease prevents death of brain cells in mice genetically engineered to mimic the hereditary condition, UT Southwestern Medical Center researchers have found.

25 Jul 2007

Research to look at reasons for the formation of Lewy bodies

A University of Nottingham researcher has been awarded more than £440,000 by the Parkinson’s Disease Society (PDS) to investigate the causes of the condition.

23 Jul 2007

Restless legs syndrome simulator

Restless legs syndrome (RLS) remains a common, yet often undiagnosed, neurological sensorimotor disorder, despite many years of research and increased disease recognition.

20 Jul 2007

New study explains placebo effect

Why do some people experience a “placebo effect” that makes them feel better when they receive a sham treatment they believe to be real — while other people don't respond at all to the same thing, or even feel worse?

19 Jul 2007

Researchers pinpoint brain region linked to placebo effect

Researchers have pinpointed a brain region central to the machinery of the placebo effect, the often controversial phenomenon in which a person's belief in the efficacy of a treatment such as a painkilling drug influences its effect.

19 Jul 2007

UAB receives grants to investigate novel approaches to treat Parkinson's disease

The Michael J. Fox Foundation (MJFF) has awarded two research grants to UAB (University of Alabama at Birmingham) researchers to investigate novel approaches to treat Parkinson's disease.

13 Jul 2007

Neural stem cells for Parkinson's disease

A University of South Florida neuroscientist reports that the cutting-edge research study of human stem cells in primates with Parkinson's disease is compelling on several fronts , particularly how the transplanted cells did their job of easing disease symptoms.

11 Jul 2007

Catalyst Pharmaceutical Partners starts U.S. phase II trial of CPP-109 in patients with cocaine dependence

Catalyst Pharmaceutical Partners, Inc. a specialty pharmaceutical company that acquires or in-licenses, develops and commercializes prescription drugs for the treatment of drug addiction, today announced that it has initiated its randomized, double-blind, placebo-controlled U.S. Phase II clinical trial of CPP-109 in patients with cocaine dependence.

11 Jul 2007

Cigarette smoking associated with reduced risk for developing Parkinson's disease

A pooled analysis of data from previous studies suggests that cigarette smoking appears to be associated with a reduced risk for developing Parkinson's disease, with long-term and current smokers at the lowest risk, according to a report in the July issue of Archives of Neurology.

10 Jul 2007