Memory News Digest

The common experience of having difficulty remembering words in your native language when you’ve been immersed in a new language is called first-language attrition, and new research has revealed it’s an adaptive strategy.

http://www.memory-key.com/news/2007/news_2007Jan.htm#language

Diabetes drug shows promise for preventing brain injury from radiation therapy

A rat study has found a diabetes drug may prevent the memory and learning problems that cancer patients often experience after whole-brain radiation treatments.

http://www.memory-key.com/news/2007/news_2007Jan.htm#radiation

People at genetic risk for Alzheimer's age mentally just like noncarriers

A very large long-running study has found that the so-called ‘Alzheimer’s gene’ does not contribute to cognitive change during most of adulthood.

http://www.memory-key.com/news/2007/news_2007Jan.htm#genetic

High-normal uric acid linked with mild cognitive impairment in the elderly

Older adults with uric-acid levels at the high end of the normal range were found to have the lowest scores on tests of mental processing speed, verbal memory and working memory.

http://www.memory-key.com/news/2007/news_2007Jan.htm#uric

How we predict the future

Two studies have provided evidence that imagining future events requires an ability to remember past events, and that the brain predicts the course of future events by imagining them taking place much like similar past ones.

http://www.memory-key.com/news/2007/news_2007Jan.htm#future

Sleep deprivation affects neurogenesis

A rat study has found that sleep deprivation increases levels of the stress hormone, and reduces neurogenesis in the hippocampus.

http://www.memory-key.com/news/2007/news_2007Jan.htm#Sleep

Genetic cause for word-finding disease

A genetic cause has been found for Primary Progressive Aphasia, a little-known form of dementia in which people lose the ability to express themselves and understand speech.

http://www.memory-key.com/news/2007/news_2007Jan.htm#word

Neural bottleneck found that thwarts multi-tasking

An imaging study has revealed just why we can’t do two things at once.

http://www.memory-key.com/news/2007/news_2007Jan.htm#bottleneck

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ALZHEIMER'S NEWS

<http://www.memory-key.com/Seniors/Alzheimers%20news.htm>

January 2007

<http://www.memory-key.com/Seniors/Alzheimers_2007a.htm>

Bilingualism has protective effect in delaying onset of dementia

An analysis of 184 people with dementia has found that bilingualism delayed dementia symptoms by an average of four years —a very significant difference.

http://www.memory-key.com/Seniors/Alzheimers_2007a.htm#Bilingualism

Learning slows physical progression of Alzheimer's disease

A mouse study has found that short but repeated learning sessions can slow the development of plaques and tangles (hallmarks of Alzheimer's disease).

http://www.memory-key.com/Seniors/Alzheimers_2007a.htm#Learning

Transdermal vaccine effective in treating Alzheimer's disease in mice

Previous research on an Alzheimer's vaccine proven safe and effective in an animal model was suspended when the initial clinical trial caused brain inflammation and death in a small percentage of patients. A new mouse study has now had success with a transdermal method of delivery (a skin patch.

http://www.memory-key.com/Seniors/Alzheimers_2007a.htm#Transdermal

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