Posted in Health on Jan 30th, 2008
Some brain systems become less coordinated with age even in the absence of Alzheimer’s disease, according to a new study from Harvard University. The results help to explain why advanced age is often accompanied by a loss of mental agility, even in an otherwise healthy individual.The study was led by Jessica Andrews-Hanna, a doctoral candidate [...]
Posted in Health on Jan 25th, 2008
esearchers at Wake Forest University School of Medicine have shown that the effects of sleep deprivation on cognitive performance can be reversed when the naturally occurring brain peptide, orexin-A, is administered in monkeys.”These findings are significant because of their potential applicability,” said Samuel A. Deadwyler, Ph.D., professor of physiology and pharmacology at Wake Forest. “This [...]
Posted in Health on Jan 21st, 2008
High blood pressure appears to be associated with an increased risk for mild cognitive impairment, a condition that involves difficulties with thinking and learning, according to a report in the December issue of Archives of Neurology, one of the JAMA/Archives journals.”Mild cognitive impairment has attracted increasing interest during the past years, particularly as a means [...]
Posted in Health on Jan 17th, 2008
The human mind is a prolific generator of beliefs about the world. The capacity of our minds to believe or disbelieve linguistic propositions is a powerful force for controlling both behavior and emotion, but the basis of this process in the brain is not yet understood.Sam Harris, a UCLA graduate student in the lab of [...]
Posted in Health on Jan 13th, 2008
Patients over the age of 60 who have elective surgeries such as joint replacements, hysterectomies and other non-emergency, inpatient procedures, are at an increased risk for long-term cognitive problems, according to a new study led by Duke University Medical Center researchers.The study also found that elderly patients who developed these postoperative cognitive problems were more [...]
