A meta-analysis of 31 studies found the California Verbal Learning Test to be the most accurate predictor of Alzheimer's type dementia. Researchers also discovered that odor identification tests can identify preclinical Alzheimer's in individuals with the ApoE gene more effectively than neuroimaging measures.
A recent study published in JAMA found that ginkgo biloba provides no measurable benefit in memory, attention, or concentration in healthy older adults. The study, conducted by researchers at Williams College, tested the effects of ginkgo on memory and cognitive function in 230 volunteers over 60.
A study found that participants who watched TV programs with sex or violence had impaired memory for advertised products compared to those who watched neutral programs. The results suggest that sex and violence can impair commercial memory, potentially deterring advertisers from sponsoring such content.
The study suggests that objects are recalled by uniting different brain regions, with the thalamus regulating electrical rhythms to connect these areas. This theory may help explain why some memories are clear while others are fuzzy.
Scientists have made a breakthrough in understanding the body's rejection of transplanted organs. Memory T cells were found to trigger rejection, even when other immune cells are disabled. This discovery may lead to new treatments that block memory T cell function and improve organ transplant success rates.
Researchers at the University of Houston have developed a new resistive memory technology that can store information even when power is turned off, potentially replacing current RAM and hard drive technologies. This technology could enable faster processing and high-speed data transfer for multimedia and broadband applications.
Researchers found that boosting PKM levels in fruit flies improves memory retention, contradicting previous understanding of memory fade. The discovery sheds light on the process of synaptic tagging during memory formation and has significant implications for our understanding of neural mechanisms.
A brain imaging study has pinpointed cognitive mechanisms behind age-related memory difficulties and confirmed that certain factors can be reversed with the right guidance. Older adults have underutilized cognitive resources in the left frontal cortex that can be harnessed for more efficient memory processing.
A study led by Dr. George Ojemann identified 105 neurons with specific responses to different stages of memory, including encoding, storage, and retrieval. The findings highlight the complexity of individual neurons' role in memory and provide insights into brain regions involved in implicit memory recall.
A new study from the University of Toronto shows that consuming carbohydrate, fat and protein drinks of equal calories improves verbal recall in elderly individuals. The positive effects on memory are explained by an evolutionary perspective, suggesting specific types of food energy enhance specific aspects of brain function.
Research suggests that people with left-handed families tend to have superior episodic memory due to increased inter-hemispheric interaction. This is because their brain hemispheres work together more actively to process and store memories, leading to improved recall of events.
A team of researchers has identified a key enzyme involved in the consolidation of long-term memories, revealing new insights into the molecular processes underlying learning and memory. The study found that eliminating this enzyme led to impaired memory retention, highlighting its critical role in memory consolidation.
A new study found that estrogen patches can improve attention and memory skills in women with Alzheimer's disease. The research used estradiol, a type of estrogen shown to have an effect on the brain, and found significant improvements in attention and memory tests.
Shiffrin's work has evolved over 35 years, developing Bayesian approaches to model human memory, attention, and learning. His theories have been widely recognized with numerous awards and publications.
A UC Davis study identifies brain systems affected in stroke patients with memory loss, distinguishing them from those affected by Alzheimer's disease. This distinction enables physicians to treat root causes of memory loss, such as high blood pressure or diabetes, and prevent strokes.
Researchers found that long-term memories become labile every time they are retrieved, making them susceptible to alteration or disruption. The process of reconsolidation, which involves the generation of new proteins, is necessary to store long-term memories without retrieval.
A new study on rhesus monkeys found that those without functioning ovaries performed better on spatial memory tasks than monkeys with intact ovaries. This suggests that the lack of estrogen may protect against age-related decline in certain aspects of spatial memory.
Researchers found that a short-term drug regimen can reverse working memory loss in monkeys treated with antipsychotic medications. The study suggests improved treatment strategies for people with schizophrenia, Parkinson's disease, or age-related memory loss.
VRAM memory has the potential to replace mechanically driven storage media, reducing transistors needed for lower cost and retaining information without constant refreshing. The technology is well-suited for space, avionics, and shipboard applications due to its high-density, non-volatility, radiation-hardness, and low-power attributes.
Recent research by Dr. Endel Tulving suggests that episodic memory is essential for human cultural advancement, enabling awareness of the future. Functional neuroimaging studies have identified regions in the frontal lobes linked to past and future awareness.
A new study by University of Washington researcher Henry Lai has found that exposure to cell phone microwaves may affect long-term memory in rats. The rats were trained to navigate a pool and recall the location of a submerged platform, with those exposed to microwaves showing impaired spatial reference mapping and learning strategies.
Researchers at Wake Forest University School of Medicine are testing whether an extract from the leaves of the ginkgo tree can slow memory loss, dementia, and Alzheimer's disease. The six-year clinical trial will enroll 2,000 participants and evaluate the effect of 240 milligrams of ginkgo daily on memory function.
A Yale research team has developed a molecular memory that can store information, outlasting conventional silicon memory by approximately one million times. The discovery uses self-assembly method to fabricate the molecular memory, which could lead to significant reductions in cost and improvements in electronics.
Researchers at WashU Medicine found that high doses of cortisol, produced in response to stress, can significantly impair memory performance after several days. Memory impairment was seen only in those who received a high dose of cortisol and only after four days of treatment.
Scientists have developed a new marking system that allows them to visualize and track immune memory cells for the first time. This breakthrough has significant implications for vaccine development, organ transplantation, and the treatment of autoimmune diseases.
Researchers have identified a new area for spatial working memory in the human brain, challenging current theories and revealing expanded frontal cortex development. Functional MRI allowed for real-time observation of neural activity, providing new insights into human brain function and evolution.
Utah researchers have developed a new class of magnetic-field sensors that will allow the future manufacturing of low-cost, high-volume, high-density memory devices. The MAGRAM memory cell uses magnetic fields to store data, offering nonvolatile storage without continuous power requirements.
Researchers propose that an inactive enzyme may contribute to memory impairment in Alzheimer's patients. A transgenic mouse study found impaired memory in animals lacking the enzyme MMP-9, supporting the idea that its inactivity plays a role in the disease.
A University of Florida study suggests that believing in one's ability to improve memory can significantly impact memory performance. The research found that older adults who accepted the idea that their memory could be improved were more likely to use effective strategies, leading to better memory outcomes.
Researchers found that choline supplementation during pregnancy led to increased memory capability in offspring, as brain circuits were primed to learn and retain new information. This finding has implications for pregnant women and their children, potentially leading to the development of dietary supplements to enhance memory function.
A long-term study found that post-menopausal women who used estrogen replacement therapy performed better on visual memory tests than those who didn't receive treatment. The researchers also found that stable memory performance was maintained by some participants who began ERT during regular visits to the NIA.
Researchers found that imagining visual stimuli activates short-term memory, lowering the threshold of brightness for visual perception. This phenomenon suggests separate neural mechanisms control short- and long-term visual memory, with imagination enhancing visual abilities.
Researchers discover that dopamine levels can enhance or impair working memory, with a low dose of the drug bromocriptine improving scores in low-capacity subjects but worsening performance in high-capacity individuals. The study suggests an optimal level of dopamine for short-term memory to function properly.
Research at Emory University Health Sciences Center found that individuals with ADHD tend to integrate information in more visual and less auditory ways, which may explain their everyday difficulties. The study used PET scans to evaluate working memory in ADHD patients and normal control subjects.
Research suggests that fact memory can be preserved despite hippocampal damage, offering new hope for children with memory problems. The study's findings have implications for healthcare professionals and teachers in assessing and educating children with special needs.
Researchers at Stanford University have identified two separate clusters of neurons in the hippocampus involved in encoding and retrieving memories. These findings provide insight into the neural basis of memory and could lead to better treatments for Alzheimer's disease and other neurological disorders.
Researchers used non-invasive functional magnetic resonance imaging to test the theory that the prefrontal cortex stores information in working memory. The study found sustained activity in the prefrontal cortex, suggesting it plays a key role in maintaining information.
Researchers at Johns Hopkins Medicine have discovered a protein called Homer that strengthens the link between drug addiction and long-term memory. The study found that Homer binds to nerve cells' message-receiving structures, potentially leading to new treatments for addiction.
Researchers at Ohio University found evidence that memory loss with aging may be connected to malfunctioning genes controlling spatial memory. The study identified unique DNA sequences in old mice brains, which could lead to the development of therapies targeting age-related cognitive decline.
Researchers found that a low-fat diet had no impact on memory loss in old mice, contrary to earlier studies suggesting a correlation between healthy eating and cognitive preservation. The study's findings add weight to theories suggesting that certain genes or stress hormones may contribute to age-related memory decline.