Featured Research

from universities, journals, and other organizations

African Americans Have A Higher Rate Of Dementia Due To Strokes

Date:
June 5, 2001
Source:
Yale University
Summary:
African-Americans have a higher rate of dementia due to strokes and a lower prevalence of dementia stemming from Parkinson’s Disease than do Caucasians, according to a study by Yale researchers published in the Journal of the American Geriatric Society.

New Haven, Conn. – African-Americans have a higher rate of dementia due to strokes and a lower prevalence of dementia stemming from Parkinson’s Disease than do Caucasians, according to a study by Yale researchers published in the Journal of the American Geriatric Society.

Also, the genetic basis of Alzheimer’s dementia appears to differ between African-Americans and Caucasians, said Sharon Inouye, associate professor of internal medicine and geriatrics at Yale School of Medicine and senior author of the study.

"The presence of a certain gene (apolipoprotein E allele, E-4 allele) is a potent risk factor for Alzheimer’s Disease in Caucasians, but not for African-Americans," she said.

Dementia is an acquired persistent impairment of cognitive functioning and is a growing problem for the U.S. population. Currrently, 2.2 million Americans suffer from dementia. An estimated seven million to 10 million Americans will have severe dementia by the year 2040. Recent studies have estimated the total national costs for dementia at more than $67 billion annually.

Vascular dementia is associated with vascular disease and stroke and generally occurs in someone who has had multiple strokes. It can mimic the symptoms of Alzheimer’s Disease, and in some cases, a person could be suffering from both forms of dementia.

Inouye also found that cultural and socio-economic biases in cognitive testing may lead to a misdiagnosis of dementia for African-Americans. "Some testing may assume the patient has certain cultural information or information gained through formal education," Inouye said. "For example, a patient might be asked to sequence pictures about an activity with which they are not familiar and may be misdiagnosed as being cognitively impaired."

She said physicians should be attuned to biases in testing and be more aware of factors contributing to vascular dementia when African-American patients come to them for dementia evaluations.

"One size fits all does not work in dementia research," Inouye said. "A certain genetic or causal model may not fit across all ethnicities and we might have to cast a broader point of view."

The other researchers on the study, which was supported in part by a grant from the National Institute on Aging, were Tanya Froehlich, M.D., principal investigator, and Sidney Bogardus, assistant professor of internal medicine and geriatrics and medical director of the Adler Geriatrics Assessment Center.


Story Source:

The above story is based on materials provided by Yale University. Note: Materials may be edited for content and length.


Cite This Page:

Yale University. "African Americans Have A Higher Rate Of Dementia Due To Strokes." ScienceDaily. ScienceDaily, 5 June 2001. <www.sciencedaily.com/releases/2001/06/010605074015.htm>.
Yale University. (2001, June 5). African Americans Have A Higher Rate Of Dementia Due To Strokes. ScienceDaily. Retrieved July 29, 2014 from www.sciencedaily.com/releases/2001/06/010605074015.htm
Yale University. "African Americans Have A Higher Rate Of Dementia Due To Strokes." ScienceDaily. www.sciencedaily.com/releases/2001/06/010605074015.htm (accessed July 29, 2014).

Share This




More Mind & Brain News

Tuesday, July 29, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

It's Not Just Facebook: OKCupid Experiments With Users Too

It's Not Just Facebook: OKCupid Experiments With Users Too

Newsy (July 29, 2014) If you've been looking for love online, there's a chance somebody has been looking at how you're looking. Video provided by Newsy
Powered by NewsLook.com
How Your Face Can Leave A Good Or Bad First Impression

How Your Face Can Leave A Good Or Bad First Impression

Newsy (July 29, 2014) Researchers have found certain facial features can make us seem more attractive or trustworthy. Video provided by Newsy
Powered by NewsLook.com
Losing Sleep Leaves You Vulnerable To 'False Memories'

Losing Sleep Leaves You Vulnerable To 'False Memories'

Newsy (July 27, 2014) A new study shows sleep deprivation can make it harder for people to remember specific details of an event. Video provided by Newsy
Powered by NewsLook.com
University Quiz Implies Atheists Are Smarter Than Christians

University Quiz Implies Atheists Are Smarter Than Christians

Newsy (July 25, 2014) An online quiz from a required course at Ohio State is making waves for suggesting atheists are inherently smarter than Christians. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins