Posts Tagged ‘dopamine’
Mutant worms may tag Parkinson’s drugs
U. TEXAS-AUSTIN (US) — Dopamine-deficient worms with a motor switching problem may help identify drugs that will benefit people with Parkinson’s disease. Continue…
Monday, November 14, 2011 12:35 - 1 Comment
Health & Medicine - Aug 25, 2011 16:22 - 1 Comment
Hyper hippocampus fuels schizophrenia?
U. PITTSBURGH (US) — New research may help explain how antipsychotic drugs manage the classic symptoms of schizophrenia, which in turn could help pinpoint what’s causing the disease. (more…)
Top Stories - Jun 14, 2011 11:02 - 1 Comment
Brain signals say ‘yes’ to sugar cravings
U. MICHIGAN (US) — For the brain, “wanting” and “liking” are separate processes. When the two converge—in pursuit of sweets—the combined effect is powerful. (more…)
Science & Technology - May 6, 2011 13:46 - 0 Comments
If you give a computer schizophrenia…
U. TEXAS-AUSTIN / YALE (US) — Researchers were able to elicit schizophrenia-like symptoms in a virtual computer network, mimicking the excessive release of dopamine in the human brain. (more…)
Health & Medicine - Mar 24, 2011 11:22 - 0 Comments
Brain gets high on all-nighters
UC BERKELEY (US) — Pulling an all-nighter gives the brain a big boost of pleasure, but that euphoria can lead to poor judgment and risky behavior, a new study shows. (more…)
Health & Medicine - Mar 1, 2011 19:01 - 1 Comment
Another piece to Parkinson’s puzzle
IOWA STATE (US) — There’s hope that a newly discovered protein pathway could lead to a much clearer understanding of Parkinson’s disease. (more…)
Health & Medicine - Feb 3, 2011 12:00 - 2 Comments
Ritalin abates iron deficiency’s harm
PENN STATE (US) — Giving low doses of Ritalin to iron deficient adolescent rats appears to improve brain function, a finding that may have implications for iron-deficient human infants as well. (more…)
Health & Medicine - Aug 3, 2010 10:07 - 4 Comments
Putting the brakes on impulsive behavior
VANDERBILT (US)—Why some people are more susceptible to rash behavior and act without thinking is related to a specific deficit in the way the brain regulates dopamine signaling, according to new research. (more…)
Health & Medicine - Jun 15, 2010 9:15 - 4 Comments
Impaired insulin signaling links food to mood
VANDERBILT (US)—Defects in insulin action—which occur in diabetes and obesity—could directly contribute to psychiatric disorders like schizophrenia. (more…)
Health & Medicine - Jun 4, 2010 15:01 - 0 Comments
For teens, taking risks comes naturally
U. TEXAS-AUSTIN (US)—Biology may be to blame when it comes to adolescents making stereotypically poor decisions and engaging in risky behavior. (more…)
Society & Culture - Mar 15, 2010 10:22 - 4 Comments
Psychopaths’ brains seek rewards at all costs
VANDERBILT (US)—The brains of psychopaths appear to be wired to keep seeking a reward regardless of the consequences, according to new research. (more…)
Health & Medicine - Mar 3, 2010 20:37 - 1 Comment
Putting gene duo to work for Parkinson’s
U. SHEFFIELD (UK)—Researchers have identified for the first time how two genes work together to remove damaged mitochondria from nerve cells. The finding offers a new lead for potential Parkinson’s treatments. (more…)
Health & Medicine - Dec 28, 2009 11:19 - 1 Comment
Irregular arm swing may point to Parkinson’s
PENN STATE (US)—Too often, by the time Parkinson’s disease is diagnosed, irreparable damage is already done. New research by a team of neurologists finds that gait, or the manner in which people walk—including irregular arm swings—may be a very early marker for the disease. (more…)
Science & Technology - Nov 30, 2009 11:46 - 2 Comments
Emotional fruit flies offer clues to ADHD
CALTECH (US)—Researchers have uncovered evidence of a primitive emotion-like behavior in the fruit fly Drosophila melanogaster. The findings may be relevant to the relationship between the neurotransmitter dopamine and attention deficit hyperactivity disorder (ADHD). (more…)
Best of 2009 - Nov 6, 2009 11:39 - 21 Comments
BEST OF 2009: Parkinson’s dopamine killers
IOWA STATE (US)—Researchers have found an essential key that could lead to new treatments and possibly a cure for Parkinson’s disease. They have identified the protein that kills dopamine-producing cells in the brain—and a way to disable it. (more…)
Health & Medicine - Aug 14, 2009 9:51 - 3 Comments
Depression kills cravings for delight
Decreased motivation to seek and experience pleasurable experiences, known as anhedonia, is a primary symptom of major depressive disorder. Anhedonia is less responsive to many antidepressants and often persists after other symptoms of depression subside.
