Latest Dopamine receptor Stories

2008-10-16 18:00:02

Using brain imaging and chocolate milkshakes, U.S. scientists say people with weakened brain "reward circuitry" are at increased risk of weight gain. Researchers at the University of Oregon's Lewis Center for Neuroimaging say food intake is associated with dopamine release, while pleasure from eating correlates with the amount of dopamine release. Studies suggest the obese have fewer dopamine receptors in the brain and have to eat more than lean people to be satisfied. One study involved...

2008-04-16 12:10:00

Flooding brain with 'pleasure chemical' receptors works on cocaine, as on alcoholResearchers at the U.S. Department of Energy's Brookhaven National Laboratory have shown that increasing the brain level of receptors for dopamine, a pleasure-related chemical, can reduce use of cocaine by 75 percent in rats trained to self-administer it. Earlier research by this team had similar findings for alcohol intake. Treatments that increase levels of these chemicals - dopamine D2 receptors -- may prove...

2005-06-06 22:46:31

New Haven, Conn.--Confirming findings in a previous study, Yale researchers observed an altered availability of the dopamine transporter in healthy persons with a genetic variation linked to substance abuse and attention deficit hyperactivity disorder (ADHD). "Healthy people who carry a particular variant of the dopamine transporter gene, the nine repeat allele, have significantly higher levels of dopamine transporter in the brain," said the lead author, Christopher van Dyck, M.D., associate...

Word of the Day
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.