Tell-Tale Sign of Alzheimer's: Personality Changes

In the second study, researchers from Canada found people with severe Alzheimer's disease all had deposits of a protein called amyloid on their retinas.

The study, with its $23.6 million funding for NIH and its over $10 million from the National Institute of Nursing Research showed promising results, but leaders in health believe that more research is required.

One of the groups got no training at all. One group got a classroom-based course created to impart strategies aimed at boosting memory; a second got a classroom-based course created to sharpen participants' reasoning skills. One group received memory training, another received reasoning skills training, and the third took training that emphasized speed of brain processing.

It's not clear why speed mental processing training works, or the exact changes it causes to the brain.

Their breakthrough raises the prospect that your optometrist will soon be checking for signs of dementia in addition to the quality of your vision. That proportion was reduced to 11.4% in the arm undergoing memory training and 11.7% in the executive reasoning group.

All told, 14% of subjects in the control group experienced significant cognitive decline. Researchers will need to see whether patients' results really predict how they will ultimately fare.

It may have taken 10 years, but the research was extensive and notates that statistics of both successful and failed brain game interventions for the elderly participants.

The game used in the study is called Brain HQ. It uses colorful graphics and challenges players with escalating difficulty as their proficiency increases.

With this in mind, the researchers set out to create such a questionnaire; questions from the NPI-Q were assessed and modified through the Delphi process - a method that utilizes the clinical and research experience of a panel of experts.

New evidence released Tuesday suggests the potential use of two cheaper and simpler tests for detecting Alzheimer's in patients. The cognitive benefits, in short, appear to be "generalized". "The Active results will definitely provide a big credibility boost to the field", Dr. Doraiswamy says. That has sparked pushback from some scientists skeptical of claims manufacturers made, including that the products could reduce or reverse cognitive decline.

Jobs involving "mentoring" - such as social worker, physician, school counsellor, psychologist, and pastor - were considered most complex, said Ms Elizabeth Boots, a research specialist at the University of Wisconsin and the study's presenting author.

Four years later 50 participants had developed dementia, and researchers found low test scores were "significantly associated" with dementia and Alzheimer's disease.

"It's a step forward, absolutely, and we're happy to share it", said Heather Snyder, senior director of medical and scientific operations at the Alzheimer's Association, though she added additional studies were needed to give the findings further credence and understanding.

A stimulating job and an active social life can protect the brain from the negative impact of eating unhealthy food, the Alzheimer's Association conference heard. The study, conducted by the Wisconsin Alzheimer's disease Research Center and Wisconsin Alzheimer's Institute, focused on people who were cognitively healthy but at risk for Alzheimer's.

"People often think [Alzheimer's] is all about memory loss", Ismail said.