Recent Discoveries about Long-term Effects of High Dopamine

Marnia's picture
Submitted by Marnia on
Printer-friendly version

Discovery of new dopamine action may yield alternative psychiatric drugs

video maniac

Duke University Medical Center researchers have discovered a new mechanism by which chronically high levels of the neurotransmitter dopamine exert their effects on the brain. Normally associated with triggering feelings of pleasure, excess concentrations of dopamine underlie schizophrenia, attention deficit hyperactivity disorder and other psychiatric conditions. The findings therefore provide new research avenues to understand and potentially manage such dopamine-related human disorders, the researchers said. More...

Dopamine May Play New Role in Depression

July 28, 2005 -- A chemical in the brain normally associated with feelings of happiness and pleasure may also raise the risk of depression.

Researchers say they've found a new way in which prolonged exposure to the chemical messenger dopamine may play a role in depression as well as drug addiction. More...