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Memory in Biological News

UTSA psychologist awarded $1 million for memory research

University of Texas at San Antonio Assistant Professor of Psychology Rebekah Smith has been awarded a five-year, $1 million grant from the National Institutes of Health to study adult memory. To conduct the research, beginning in July, Smith will be recruiting younger adult volunteers aged 18-30 a...

Researchers see evidence of memory in the songbird brain

CHAMPAIGN, Ill. When a zebra finch hears a new song from a member of its own species, the experience changes gene expression in its brain in unexpected ways, researchers report. The sequential switching on and off of thousands of genes after a bird hears a new tune offers a new picture of memory ...

Crabs' memory of pain confirmed by Queen's academic

New research published by a Queen's University Belfast academic has shown that crabs not only suffer pain but that they retain a memory of it. The study, which looked at the reactions of hermit crabs to small electric shocks, was carried out by Professor Bob Elwood and Mirjam Appel from the Sch...

SUNY Downstate researchers find that memory storage molecule preserves complex memories

The brain acts as a computer to both store information and process that information. In a computer, separate devices perform these roles; while a hard disk stores information, the central processing unit (CPU) does the processing. But the brain is thought to perform both these functions in the sam...

'Fly guy' makes memory breakthrough

Dr. Francois Bolduc keeps more than 300,000 fruit flies in a basement laboratory, where he manipulates their genes and then tests their mental abilities. He's called the "fly guy," and he may sound like a comic book villain, but Bolduc is no mad scientist. A new recruit to the University of Al...

Working memory has limited 'slots'

A new study by researchers at UC Davis shows how our very short-term "working memory," which allows the brain to stitch together sensory information, operates. The system retains a limited number of high-resolution images for a few seconds, rather than a wider range of fuzzier impressions. Hum...

UCI researchers restore memory process in most common form of mental disability

Irvine, Calif., Oct. 5, 2007 University of California, Irvine scientists have discovered how to reverse the learning and memory problems inherent in the most common form of mental impairment. Neurobiologist Julie Lauterborn and her colleagues identified how a mutated gene linked to fragile X s...

A balanced memory network

Ever wonder how much information we put in our heads" The answer: a lot. For starters, a typical vocabulary is 50,000-250,000 words. And then there are all the little details that stretch back decades the house we grew up in, the time we spilled orange juice on our test back in third grade, the s...

Short stressful events may improve working memory

BUFFALO, N.Y. -- Experiencing chronic stress day after day can produce wear and tear on the body physically and mentally, and can have a detrimental effect on learning and emotion. However, acute stress -- a short stressful incident -- may enhance learning and memory. Researchers at the Unive...

UT San Antonio researcher wins $917,000 from NIH to study memory

San Antonio Every 16 hours, give or take, the brain's hippocampus makes six to nine thousand new neurons in the dentate gyrus, the portion of the brain which is believed to play a significant role in the preservation of episodic, or autobiographical, memory. But how do those neurons store info...

Computer simulations explain the limitations of working memory

[PRESS RELEASE, 31 March 2009] Researchers at the Swedish medical university Karolinska Institutet (KI) have constructed a mathematical activity model of the brain's frontal and parietal parts, to increase the understanding of the capacity of the working memory and of how the billions of neurons ...

DREAM: 1 gene regulates pain, learning and memory

This release is available in German . In 2002, a group of scientists at the University of Toronto was able to identify a gene which they dubbed DREAM (downstream regulatory element antagonistic modulator). The gene's function was highly interesting: it obviously served as a key regulator ...

Improved estrogen reception may sharpen fuzzy memory

GAINESVILLE, Fla. Estrogen treatments may sharpen mental performance in women with certain medical conditions, but University of Florida researchers suggest that recharging a naturally occurring estrogen receptor in the brain may also clear cognitive cobwebs. The discovery suggests that drugs ...

Study of marine snail leads to new insights into long-term memory

UCLA cellular neuroscientists are providing new insights into the mechanisms that underlie long-term memory research with the potential to treat long-term memory disorders. "The more we know about how long-term memory is induced in the brain and how our memories are maintained in the brain,...

Living fossils have long- and short-term memory

Nautiloids are the sole surviving family of externally-shelled cephalopods that thrived in the tropical oceans 450150 million years ago. However, in the intervening years their modern soft bodied relatives dumped the shell and developed complex central nervous systems; which makes Nautilus ideally...

Metal foam has a good memory

In the world of commercial materials, lighter and cheaper is usually better, especially when those attributes are coupled with superior strength and special properties, such as a material's ability to remember its original shape after it's been deformed by a physical or magnetic force. A new clas...

Young chimps top adult humans in numerical memory

Young chimpanzees have an extraordinary ability to remember numerals that is superior to that of human adults, researchers report in the December 4th issue of Current Biology, a publication of Cell Press. There are still many people, including many biologists, who believe that humans are superi...

Old memory traces in brain may trigger chronic pain

Why do so many people continue to suffer from life-altering, chronic pain long after their injuries have actually healed" The definitive answer -- and an effective treatment -- has long eluded scientists. Traditional analgesic drugs, such as aspirin and morphine derivatives, haven’t worked very ...

Statin treatment improves spatial memory in mouse models of Alzheimer's

Treatment with Simvastatin, one of the statin drugs widely used for lowering cholesterol in humans, significantly improved spatial memory - how to navigate a water maze - in mice genetically bred to have an Alzheimer’s like disease. Although statin improved memory in both males and females, the res...

New Brandeis research sheds light on memory by erasing it

For years, scientists have studied the molecular basis of memory storage, trying to find the molecules that store memory, just as DNA stores genetic memory. In an important study published this week in the Journal of Neuroscience, Brandeis University researchers report for the first time that memor...

Latent memory of cells comes to life

New Danish research has examined the mechanisms behind latent cell memory, which can come to life and cause previously non-existent capacities suddenly to appear. Special yeast cells for example, can abruptly change from being of a single sex to hermaphrodite. Researchers from the Niels Bohr In...

UCLA/Toronto researchers unlock key to memory storage in brain

Scientists know little about how the brain assigns cells to participate in encoding and storing memories. Now a UCLA/University of Toronto team has discovered that a protein called CREB controls the odds of a neuron playing a role in memory formation. The April 20 edition of Science reports the f...

New research shows why too much memory may be a bad thing

New research from Columbia University Medical Center may explain why people who are able to easily and accurately recall historical dates or long-ago events, may have a harder time with word recall or remembering the day’s current events. They may have too much memory ?making it harder to filter ou...

Early HIV treatment fails to restore memory T cells

Most of the body’s memory T cells vanish within weeks after a person is infected with the HIV virus. In a study from the Aaron Diamond AIDS Research Center and the Bernard-Nocht Institute appearing in the international open-access journal PLoS Medicine, researchers report that these memory T cells,...

A natural chemical found in strawberries boosts memory in healthy mice

Mothers have long exhorted their children to eat their fruit and vegetables. But once kids are beyond mom's watchful eye, the hated greens often go the way of Barbie dolls and power rangers. Now, there's another reason to reach for colorful fruits past adolescence. Fisetin, a naturally occurring ...

How brain injury leads to seizures, memory problems

In a finding that may provide a scientific basis for eventual treatment, neurology researchers have shown that traumatic brain injury reduces the level of a protein that helps keep brain activity in balance. The resulting abnormal activity, in turn, is thought to be an underlying reason for seizure...

Affymetrix 500K array used to identify memory gene

Affymetrix Inc. announced today that researchers at the Translational Genomics Research Institute (TGen) in Phoenix, Arizona have used the Affymetrix 500K Array to discover a gene--called Kibra--associated with memory performance in humans. The team's findings may be used to develop new medicines f...

Mayo Clinic study suggests that a central nervous system viral infection can lead to memory deficits

In one of the first known laboratory studies that explores memory deficits associated with a viral infection of the central nervous system, Mayo Clinic researchers have evidence that this infection can lead to memory loss late in life. The study, which was conducted in animal models, suggests that ...

Brain enzyme treatment relieves memory lapse in Alzheimer's mice

An enzyme that helps neurons rid themselves of excess or aberrant proteins is required for normal brain function, according to a new report in the August 25, 2006 issue of the journal Cell, published by Cell Press. What's more, by increasing brain levels of the enzyme in mice with Alzheimer's sympt...

Drug triggers body's mechanism to reverse aging effect on memory process

A drug made to enhance memory appears to trigger a natural mechanism in the brain that fully reverses age-related memory loss, even after the drug itself has left the body, according to researchers at UC Irvine. Professors Christine Gall and Gary Lynch, along with Associate Researcher Julie Laut...

Confidence in memory performance helps older adults remember

Believing that you can retain a good memory even in your twilight years is the first step to achieving that goal. Those who believe they can control their memory are more likely to employ mnemonic strategies that help keep memory fit despite the march of time. These are the conclusions of a new Bra...

Mice lacking social memory molecule take bullying in stride

The social avoidance that normally develops when a mouse repeatedly experiences defeat by a dominant animal disappears when it lacks a gene for a memory molecule in a brain circuit for social learning, scientists funded by the National Institutes of Health's (NIH) National Institute of Mental Healt...

Chemical guidance of T cells leads to immunologic memory and long-term immunity

In the latest issue of the journal Nature, scientists at the National Institute of Allergy and Infectious Diseases (NIAID) of the National Institutes of Health (NIH) describe a new understanding about how long-term immunity works--findings that may lead to new ways of thinking about how to enhance ...

Activation of a protein solidifies fear memory in the brain

When activated, a specific protein in the brain enhances long-term storage of fearful memories and strengthens previously established fearful memories, Yale School of Medicine researchers report this week in Nature Neuroscience. "This report is the first to demonstrate evidence of enhancements in...

Mechanism for memory revealed in neurons of electric fish

Researchers from The University of Texas at Austin studying electric fish have gained new insight into how memory is stored at the level of neurons. Their finding, published in the Feb. 16 issue of Neuron, could help researchers better understand memory formation and neural disorders like epilep...

Learning and memory stimulated by gut hormone

Researchers at Yale School of Medicine have found evidence that a hormone produced in the stomach directly stimulates the higher brain functions of spatial learning and memory development, and further suggests that we may learn best on an empty stomach. Published in the February 19 online issue o...

Tracking the memory trace

Memory formation follows a dynamic pattern, allowing for retrieval from different areas of the brain, depending on when an organism needs to remember, said a researcher at Baylor College of Medicine. That is what Dr. Ron L. Davis, professor of molecular and cellular biology at BCM, theorizes, bas...

Team led by Carnegie Mellon University scientist finds first evidence of a living memory trace

An international team of scientists for the first time has detected a memory trace in a living animal after it has encountered a single, new stimulus. The research, done with honeybees sensing new odors, allows neuroscientists to peer within the living brain and explore short-term memory as never b...

Researchers know what you were about to say; fMRI used to detect memory storage and retrieval

Using functional magnetic resonance imaging, or fMRI, researchers at the University of Pennsylvania and Princeton University have provided evidence that the act of recalling a memory is a bit like mental time travel. Their study, presented in the Dec. 23 edition of the journal Science, demonstrate...

U of MN researchers reverse memory loss in mice

Researchers at the University of Minnesota were able to reverse memory loss in mice with significant brain degeneration for the first time, a breakthrough that offers hope to the estimated 4 million people living with Alzheimer's disease. Researchers first manipulated the genetic makeup of the mi...
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