Memory Guide > Newsletters > Issue 112
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T h e M e m o r y K e y
Your resource for information about memory and memory improvement
October 2007
<http://www.memory-key.com/newsletters/issue_112.htm>
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THIS MONTH ON MEMORY-KEY.COM:
NEWS
10 minutes of talking has a mental payoff
Depression increases risk of executive dysfunction in older people
Cognitive deficits among cancer patients insufficiently recognized problem
Epilepsy-induced brain cell damage prevented
Successful treatment for chronic TBI in rat study
Imaging shows structural changes in mild traumatic brain injury
Stem cells improved memory in mice after brain injury
Mouse study points to new therapy for Fragile X sufferers
Effectiveness of most PTSD therapies is uncertain
Brain waves distinguish false memories from true
Brain activity distinguishes false from true recollection
Genes implicated in learning attitude
Adult neurogenesis confirmed in primates
ALZHEIMER'S NEWS
National study of dementia prevalence
Effect of cognitive reserve on dementia confirmed
Not finishing high school may lead to memory problems
Anti-hypertensive drug may help prevent and treat Alzheimer's disease
Familial link between Parkinson's and dementia
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NEW: "The Memory Key" is now available as a downloadable digital book!
Check it out at:
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Check out the e-book on "Effective notetaking" at:
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and the e-book on "Remembering intentions" at:
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Note that you can now use your credit cards on Paypal.
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Find out about my YA novel at: http://www.fmmcpherson.com/
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NEWS
<http://www.memory-key.com/MemoryGuide/news.htm>
October 2007
<http://www.memory-key.com/news/2007/news_2007Oct.htm>
10 minutes of talking has a mental payoff
A large study has found that, across all ages, cognitive
functioning was better the higher the level of participants'
social interaction. Additionally, short-term social interaction
lasting for just 10 minutes boosted participants' intellectual
performance as much as engaging in so-called 'intellectual'
activities for the same amount of time.
http://www.memory-key.com/news/2007/news_2007Oct.htm#talking
Depression increases risk of executive dysfunction in older people
A study of older adults has found that depression increased
the risk of declining executive function.
http://www.memory-key.com/news/2007/news_2007Oct.htm#Depression
Cognitive deficits among cancer patients insufficiently recognized problem
A survey of cancer patients has found that the cognitive
impairment experienced by 14 to 45% of cancer patients can be
long-lasting and severely affect their personal and professional
lives.
http://www.memory-key.com/news/2007/news_2007Oct.htm#cancer
Epilepsy-induced brain cell damage prevented
Epileptic seizures can result in cognitive impairment. New
research with mice has confirmed that such seizures result in
the loss of dendritic spines, but that this effect can be
stopped with a drug.
http://www.memory-key.com/news/2007/news_2007Oct.htm#Epilepsy
Successful treatment for chronic TBI in rat study
A rat study has found that hyperbaric oxygen therapy (HBOT)
improved spatial learning and memory in a model of chronic
traumatic brain injury.
http://www.memory-key.com/news/2007/news_2007Oct.htm#TBI
Imaging shows structural changes in mild traumatic brain injury
A study involving patients with all severities of traumatic
brain injury has found that abnormalities in white matter
existed across the spectrum, even in patients with no
self-reported cognitive deficit.
http://www.memory-key.com/news/2007/news_2007Oct.htm#injury
Stem cells improved memory in mice after brain injury
Brain damage in mice that significantly impaired memory was
repaired through the introduction of neural stem cells.
http://www.memory-key.com/news/2007/news_2007Oct.htm#Stem
Mouse study points to new therapy for Fragile X sufferers
A mouse study has found evidence that fragile X mutation
produces a highly selective impairment to long-term potentiation
in hippocampal cells, and that adding BNDF to the hippocampus
restored it.
http://www.memory-key.com/news/2007/news_2007Oct.htm#Fragile
Effectiveness of most PTSD therapies is uncertain
A review of PTSD treatment studies has concluded that there
is not enough reliable evidence to draw conclusions about the
effectiveness of most treatments, with the exception of exposure
therapies.
http://www.memory-key.com/news/2007/news_2007Oct.htm#PTSD
Why emotion enhances memory
A new study reveals that emotion increases the memorability
of events through the action of the stress hormone
norepinephrine.
http://www.memory-key.com/news/2007/news_2007Oct.htm#emotion
Brain waves distinguish false memories from true
An imaging study of 52 neurosurgical patients being treated
for drug-resistant epilepsy has found that gamma waves predicted
whether or not an item that was about to be recalled was
previously studied.
http://www.memory-key.com/news/2007/news_2007Oct.htm#false
Brain activity distinguishes false from true recollection
Although memory confidence and accuracy tend to be positively
correlated, people sometimes remember with high confidence
events that never happened. A new imaging study reveals that, in
cases of high confidence, responses were associated with greater
activity in different regions, depending on whether the memories
were true or false.
http://www.memory-key.com/news/2007/news_2007Oct.htm#recollection
Genes implicated in learning attitude
It’s known that people are motivated differently by positive
and negative outcomes. Now a new study suggests that whether you
are a “positive” or “negative” learner is partly determined by
your genes.
http://www.memory-key.com/news/2007/news_2007Oct.htm#learning
Adult neurogenesis confirmed in primates
A study with marmosets has confirmed the findings from rodent
studies regarding adult neurogenesis apply to primates.
http://www.memory-key.com/news/2007/news_2007Oct.htm#primates
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ALZHEIMER'S NEWS
<http://www.memory-key.com/Seniors/Alzheimers/Alzheimers_news.htm>
October 2007
<http://www.memory-key.com/Seniors/Alzheimers/Alzheimers_2007b.htm>
National study of dementia prevalence
The first nationally representative sample of the U.S.
population has provided useful statistics regarding the
prevalence of dementia across age and gender. Overall, one in
seven of the American population aged 71 and older, have some
form of dementia, of which about 70% have Alzheimer’s. But the
prevalence of dementia increased dramatically with age, with
only 5% of those in their 70s suffering it.
http://www.memory-key.com/Seniors/Alzheimers/Alzheimers_2007b.htm#prevalence
Effect of cognitive reserve on dementia confirmed
Another study has come out confirming that people with more
years of education begin to lose their memory later than those
with less education, but decline faster once it begins.
http://www.memory-key.com/Seniors/Alzheimers/Alzheimers_2007b.htm#reserve
Not finishing high school may lead to memory problems
A long-running Finnish study has found that compared with
people with five or less years of education, those with six to
eight years had a 40% lower risk of developing dementia and
those with nine or more years had an 80% lower risk.
http://www.memory-key.com/Seniors/Alzheimers/Alzheimers_2007b.htm#school
Anti-hypertensive drug may help prevent and treat Alzheimer's disease
A drug commonly prescribed for the treatment of hypertension
— Valsartan — has been shown to reduce the severity of
Alzheimer’s in genetically engineered mice.
http://www.memory-key.com/Seniors/Alzheimers/Alzheimers_2007b.htm#hypertensive
Familial link between Parkinson's and dementia
A study of relatives of patients with Parkinson’s disease
provides evidence that relatives of patients with Parkinson’s
disease have an increased risk of cognitive impairment or
dementia.
http://www.memory-key.com/Seniors/Alzheimers/Alzheimers_2007b.htm#Parkinson
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