Dopamine News and Research

Latest Dopamine News and Research

Brain chemistry finding suggests new target for addiction treatments

Ask anyone who has been addicted to drugs and they'll tell you that the mere sight of someone using their drug of choice - or even people, places, or objects associated with drug use - can trigger an intense desire for the drug.

14 Jun 2006

Midbrain, striatal and amygdalar dopaminergic dysfunction in ADHD

The brain's dopamine system, which has long been associated with reward learning and reward-related behavior, works differently in treated and untreated attention deficit hyperactivity disorder (ADHD) individuals.

7 Jun 2006

How sexy we feel depends on our genes

According to researchers at the Hebrew University of Jerusalem, how sexy we feel depends on our genes.

31 May 2006

Genetic variations impact sexual desire

New evidence that individual differences in human sexual desire can be attributed to genetic variations has been revealed by a research group headed by a professor of psychology at the Hebrew University of Jerusalem.

29 May 2006

New drug for Parkinson's gets FDA approval

The Food and Health Administration in the U.S. has granted approval for a new drug to treat patients with Parkinson's disease.

21 May 2006

FDA approves Azilect for the treatment of Parkinson's

The Food and Drug Administration today approved Azilect (rasagiline), a new molecular entity, for the treatment of Parkinson's disease.

17 May 2006

Varenicline could increase number who quit smoking

Smokers who try to quit using existing medications, such as nicotine patches or Zyban, are about twice as likely to succeed as those who don't use medication or are prescribed placebos during clinical trials.

3 May 2006

Prefrontal cortex in the brain damaged by both alcoholism and chronic smoking

Alcoholism is commonly associated with chronic smoking, and both alcohol and nicotine are believed to act on the same brain region. Research builds upon previous research that identified four potential alcohol-sensitive genes in the prefrontal cortex, finding that smoking also influences the expression of these genes.

26 Apr 2006

Study shows drugs work differently in the brains of men and women

A Johns Hopkins discovery could lead to tailored treatments for drug abuse and neurological diseases after providing what is believed to be the first evidence in people that amphetamines have a greater effect on men's brains than women's.

24 Apr 2006

New orthostatic hypotension treatment reduces symptoms without causing high blood pressure

A drug traditionally used to treat myasthenia gravis shows potential benefit for reducing symptoms of orthostatic hypotension without raising blood pressure when people lie down, according to results of a double-blind, controlled clinical trial.

19 Apr 2006

Researchers identify novel agent that protects neurons involved in Parkinson's disease from being destroyed by rotenone

Researchers at the University at Buffalo affiliated with the New York State Center of Excellence in Bioinformatics and Life Sciences have identified a novel agent that can protect neurons involved in Parkinson's disease from being destroyed by the pesticide rotenone.

18 Apr 2006

New guidelines for diagnosis and treatment of Parkinson disease

New guidelines developed by the American Academy of Neurology aim to educate physicians on the diagnosis and treatment of Parkinson disease and provide people with Parkinson disease an improved quality of life.

3 Apr 2006

Researchers find potential new mechanism for how the brain's reward system works

Amid reports that a drug used to treat Parkinson's disease has caused some patients to become addicted to gambling and sex, University of Pittsburgh researchers have published a study that sheds light on what may have gone wrong.

23 Mar 2006

Profound alterations in the brain mechanisms that regulate motivated behavior with addiction

Rats that have a strong craving for cocaine have a different biochemical response to the drug than their less-addicted counterparts, researchers at UT Southwestern Medical Center have found.

15 Mar 2006

Researchers find compound that interferes with the pathogenic effects of Huntington's disease

There is no cure for Huntington's, a neurodegenerative disorder that now afflicts 30,000 Americans, with another 150,000 at risk. The fatal disease, which is genetically inherited, usually strikes in midlife and causes uncontrolled movements, loss of cognitive function and emotional disturbance.

9 Mar 2006