Post date: 2009/7/11 下午 04:17:06
Adding to the deep body of research associating mental acuity with a lower risk of Alzheimer's disease, a study published online on July 8 by the journalNeurology suggests that people who possess sophisticated linguistic skills early in life may be protected from developing dementia in old age — even when their brains show the physical signs, like lesions and plaques, of memory disorders....
來自Times 的報導 By TIFFANY SHARPLES Thursday, Jul. 09, 2009
A nun with the Sisters of Notre Dame
Karen Kasmauski / Corbis
In a November 2008 study, a team of scientists used a new positron emission tomography (PET) brain-imaging technique developed by Drs. William Klunk and Chester Mathis of the University of Pittsburgh to image the brains of live patients — a leap forward in a field that long had to rely on postmortem analyses of brain tissue to confirm diagnoses after the fact — and showed that some 21% of patients with physical signs of dementia suffered no outward symptoms of cognitive impairment.
原文連結 | Times