Study links hormone to addiction, risk-taking
Reuters Mon, 01 Feb 2010 13:56 PM PST
LONDON (Reuters) - People with high levels of the hormone dopamine in the brain, and low sensitivity to it, tend to be greater risk takers and may be more prone to addictive behavior, drug abuse and gambling, a study has found. |
Subtle thinking problems may up stroke risk: study
Reuters Mon, 01 Feb 2010 13:41 PM PST
NEW YORK (Reuters Health) - Men with impaired brain function may be at higher risk of suffering a stroke, even if these impairments are quite minor, a new study published today in the journal Neurology hints. |
Individuals with body dysmorphic disorder see their own faces differently
EurekAlert! Mon, 01 Feb 2010 13:29 PM PST
Brain scans reveal differences in the way the brains of individuals with body dysmorphic disorder -- a psychiatric condition that causes patients to believe they appear disfigured and ugly -- respond to images of their own faces, according to a report in the February issue of Archives of General Psychiatry, one of the JAMA/Archives journals. |
Exercise may increase volume in certain brain areas of patients with schizophrenia
EurekAlert! Mon, 01 Feb 2010 13:28 PM PST
( JAMA and Archives Journals ) Potentially beneficial brain changes (an increase in the volume of an area known as the hippocampus) occur in response to exercise both in patients with schizophrenia and healthy controls, according to a report in the February issue of Archives of General Psychiatry, one of the JAMA/Archives journals. The findings suggest that the brain retains some plasticity, or ... |
Less than a pretty face: Brain scans show how a disorder leads individuals to perceive themselves as ugly
Scientific American Mon, 01 Feb 2010 13:18 PM PST
Despite living in a culture obsessed with physical flawlessness, most people in the U.S. have a relatively realistic perception of their own form and face--blemishes, bulges and all. About one to two percent of the population, however, suffers from a recognized psychological illness, known as body dysmorphic disorder (or BDD), which causes them to be preoccupied with physical defects that they ... |
Antidepressants After Stroke May Boost Mental Ability
HealthDay via Yahoo! News Mon, 01 Feb 2010 13:04 PM PST
MONDAY, Feb. 1 (HealthDay News) -- Taking antidepressants after a stroke may help repair the damaged brain and improve mental functioning, a new study suggests. |
Stem cells rescue nerve cells by direct contact
PhysOrg Mon, 01 Feb 2010 12:56 PM PST
Scientists at the Swedish medical university Karolinska Institutet have shown how transplanted stem cells can connect with and rescue threatened neurons and brain tissue. The results point the way to new possible treatments for brain damage and neurodegenerative diseases. |
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