In a study by Yale University researchers, older mice benefited from either physical exercise alone or combined with mental enrichment. For younger and middle-aged mice, exercise was key to improving spatial memory. The findings suggest that cognitive stimulation can help compensate for declining memory as people age.
Scientists from around the world present convergent views on the 'memory of water' concept, which suggests that water can display memory effects. Researchers found large-scale structural changes in liquid water, potentially accounting for claims of memory of water effects.
Researchers challenge long-held assumption that new protein synthesis is necessary for recording memories in long-term storage. Brain chemistry changes caused by protein synthesis inhibitors can disrupt memory formation instead.
Researchers at Johns Hopkins Medicine have discovered a new biochemical mechanism for memory storage, involving persistent changes in slow nerve currents. The discovery may also link memory and addiction, with potential implications for treating conditions such as epilepsy and diseases of memory.
A study by Universitat Autonoma de Barcelona found that the prelimbic prefrontal cortex plays a crucial role in social transmission of food preference. This discovery sheds new light on the functioning of declarative memory, which is affected in Alzheimer's disease.
A study published in the American Academy of Neurology found that older women experiencing memory loss are more likely to have sleep disturbances. The nearly 25% of women who experienced cognitive decline were twice as likely to experience sleep disturbances as those without memory problems.
A new study found that blind people have superior serial memory skills, particularly in remembering items in the correct order. This advantage is thought to result from the constant use of serial-memory strategies in everyday life. Researchers plan to further investigate the underlying mental processes responsible for this phenomenon.
Researchers at Fox Chase Cancer Center discovered that memory CD8 T cells can protect against viral diseases without migrating to the site of infection. These cells rapidly multiply and kill target cells inside the lymph node, decreasing viral spread to vital organs.
Researchers have fabricated a novel memory device combining silicon nanowires with traditional SONOS technology, enabling more reliable data storage and easier integration into commercial applications. The device boasts simple read, write, and erase capabilities, high memory retention, and large on/off current ratio.
For people with temporal lobe epilepsy, epilepsy surgery can eliminate seizures in 60-85% and improve quality of life, but also lead to memory problems in 25-40%. Quality of life scores remain stable for those with seizures only.
Research suggests that low doses of ecstasy may harm verbal memory function, particularly in areas involving serotonin. A study found that individuals who started using ecstasy at a young age showed decreased verbal memory performance compared to those who never used the drug.
Researchers have developed unique images of physical changes in brain cells associated with memory, uncovering clues about memory loss linked to cognitive disorders. The study also reveals that LTP deficiencies accompany the memory loss seen during the early stages of Huntington's disease and can be fully reversed through treatment.
Brandeis University researchers have identified CaMKII as a key molecule in memory storage, allowing them to induce and biochemically erase memory in rat hippocampus slices. This discovery holds promise for treating Alzheimer's and epilepsy by weakening overly strengthened synapses.
Treatment with Simvastatin significantly improved spatial memory in mice genetically bred to have an Alzheimer's-like disease, with more pronounced effects in males. The study found that statin increased levels of nNOS, a substance that causes dilation of blood vessels and improves circulation to the brain.
A UCLA/University of Toronto team has discovered a protein called CREB controls neuron participation in memory formation, suggesting a new approach for preserving memory in people with Alzheimer's or brain injury. The study found that high levels of CREB lead to more likely storage of memories.
Researchers found brain structure changes in people who developed dementia or Alzheimer's disease up to four years before memory loss began. Those destined for MCI had lower cognitive test scores at the start of the study, even within normal ranges.
A gene mutation in mice results in enhanced long-term memory, pointing to a potential target for developing a drug to treat memory loss. The mutation affects the phosphorylation of a protein involved in regulating gene expression, leading to improved performance in memory tests.
French CNRS scientists have shown that a traumatic memory can be wiped out using a drug, while other associated recollections remain intact. This result could lead to the development of treatments for post-traumatic stress disorders.
A new study from Columbia University Medical Center suggests that too much memory can be detrimental to cognitive function. The research, published in the Proceedings of the National Academy of Sciences, found that suppressing neurogenesis in the hippocampus improves working memory. This implies that a balance between memory growth and...
A study by Thomas Foster at the University of Florida found that rats become forgetful due to an imbalance in brain cell communication. The researchers discovered that 'long-term depression' - a normal process that helps sculpt memory - can lead to rapid forgetting when it occurs excessively.
Research by Sian Beilock found that highly accomplished individuals with larger working memories are disadvantaged when under pressure, switching to less accurate problem-solving strategies. Those with limited working memory adapt better to stress, performing similarly under pressure as they do without it.
A team of researchers investigated the molecular basis of memory in living mice, identifying a critical molecule involved in learning. The study revealed that long-term potentiation (LTP) and learning share a common molecular basis, with the TrkB receptor playing a central role.
Researchers found that people can store more faces in their visual short-term memory than other objects, thanks to the efficient way faces are encoded. This advantage was only observed when participants studied upright faces, which are more familiar to us.
A team of researchers from Baylor College of Medicine has found a key component in the formation of long-term memory in fruit flies. The study showed that increased calcium influx into mushroom body neurons parallels the creation of new synapses associated with long-term memory, and can be blocked by specific laboratory techniques.
Researchers found that memory problems in older adults are associated with Alzheimer's disease pathology in the brain. The study used memory complaint scores to identify individuals with brain changes linked to Alzheimer's disease, suggesting that memory complaints may serve as an early warning system.
A new study found that rote learning can improve memory in seniors after an intensive period of memorization followed by a six-week rest. The volunteers exhibited improved memory performance, correlated with metabolic changes in the brain.
Researchers challenge long-held theory of memory storage by discovering the neocortex drives dialogue between old and new brain regions during deep sleep. The study uses single-cell recordings to show synchronized communication, suggesting a reversal in traditional understanding of memory consolidation.
Researchers found that picornavirus-related infections can accumulate over an individual's lifetime, leading to clinical cognitive memory deficits. The study suggests a link between picornavirus infections and inflammation of the brain, particularly in the hippocampus region.
A study has identified a human 'memory gene' called Kibra that plays a significant role in memory performance. The research, conducted by the Translational Genomics Research Institute and other institutions, found a strong association between Kibra and improved memory function.
TGen researchers used the Affymetrix 500K array to identify a genetic variation associated with human memory performance. The study found that certain alleles of the Kibra gene were consistently present in individuals with good memory, but not those with poor memory.
Researchers at the Salk Institute found that fisetin stimulates signaling pathways that enhance long-term memory in healthy mice. Fisetin was shown to induce differentiation of neural cells and activate a signaling pathway involved in memory formation, called long-term potentiation.
Scientists found that higher levels of acetylcholine during learning correlate with more detailed memories. The discovery could have implications for treating memory-related disorders.
Researchers re-examine the nature of amnesia, questioning whether it's a defect in memory storage or recovery. They propose novel experimental approaches to evaluate the neurobiological basis of memory impairment, building on existing studies of amnesia.
A study of 120 older adults found significant memory problem complainants had reduced gray matter density in the brain, even without a diagnosis of Alzheimer's disease or mild cognitive impairment. This suggests that memory complaints may indicate an early 'pre-MCI' stage of dementia.
Researchers found that severely impaired patients taking rivastigmine showed significant improvement in attention and verbal memory test scores compared to placebo-treated patients. Rivastigmine was also found to be safe and well-tolerated with common side effects including nausea and dizziness.
Scientists at SUNY Downstate Medical Center discovered a molecular mechanism maintaining memories in the brain by inhibiting a specific enzyme, protein kinase M zeta. This finding may have applications in treating chronic pain and memory loss conditions such as post-traumatic stress disorder.
Researchers at UC Irvine discovered that a class of drugs called ampakines can reverse age-related memory loss by increasing the production of a naturally occurring protein in the brain. The study showed that even after the drug left the body, its effects on memory formation persisted.
Researchers from the University of Georgia have found that laboratory rats possess detailed representations of remembered events, suggesting they may also have episodic-like memory. This discovery could lead to new insights into how humans with Alzheimer's or amnesia lose their memory.
Researchers have discovered that sleep improves memory consolidation by strengthening recently learned word pairs and making them more resistant to interference. The study found that sleep benefits declarative memory, a type of memory linked to the brain's hippocampus, particularly when faced with competing information.
A new study offers insights into the role of the hippocampus in forming and recalling memories, particularly for working memory. The researchers found that the hippocampus plays a crucial role in connecting related pieces of information, but not necessarily in long-term memory.
A new study found that Enablex, a prescription medication for overactive bladder (OAB), did not cause significant memory impairment in healthy adults aged 60 and older. In contrast, the alternative treatment Ditropan XL caused noticeable memory deterioration, despite the patients being unaware of this change.
A study of adults with memory complaints found greater complaints were associated with global brain decline over two years. Those with the Alzhiemer's disease genetic risk factor showed more pronounced declines in temporal regions linked to memory functions.
The study found that explicit and implicit memory are strongly linked during encoding of new information, as measured by brain signal patterns. Researchers observed a reduction in brain activation when photos were viewed again, indicating repetition attenuation and a signature of implicit memory.
Researchers found that individuals with Korsakoff Syndrome retain visual learning ability despite explicit memory impairment. Visuoperceptual learning, a component of implicit memory, was shown to be preserved in KS patients.
University of Minnesota researchers have identified a specific protein complex linked to memory loss and cognitive decline in Alzheimer's disease. The discovery may lead to targeted drug development to prevent the disease from harming the brain.
A study published in Memory & Cognition found that morally blaming a person can distort memory for the severity of their crime or misbehavior. This distortion can have significant implications for eyewitness testimonies and judgments of guilt, putting perpetrators at greater risk.
A new study at Brandeis University found that middle-aged and older adults who believe they can control their memory performance do so better. The study used mnemonic strategies to enhance memory performance in adults aged 21-83.
A team of scientists found that electric fish can store memories through the activation of ion channels called TRP channels, which remain active for a long time. This discovery could help researchers better understand memory formation and neural disorders like epilepsy in humans.
Researchers found that directly reactivated memories are vulnerable to disruption, but associated memories remain unaffected. This study may pave the way for novel treatments of traumatic memories.
A study by University of Rochester Medical Center researchers found no evidence of strictly memory problems in middle-aged women, but a correlation between forgetfulness and learning difficulties. The team suggests that stress, anxiety, and mood distress may contribute to perceived memory issues.
Researchers found that the hippocampus processes contextual memories, while the anterior cingulate cortex handles unpleasant stimuli. The amygdala consolidates both contextual and unpleasant information, suggesting a fragmented processing of memories.
New research suggests that the hippocampus plays a crucial role in recognizing familiar and recalling specific details, contradicting recent findings. The study used six memory-impaired patients with localized hippocampal damage to test verbal recognition memory, finding that recognition accuracy was identical between groups.
Activation of protein kinase A (PKA) solidifies fear memory in the brain, according to Yale researchers. The study found that selective PKA activation enhances reconsolidation and strengthens previously established fearful memories.
Researchers found a biochemical pathway, called RISC, that facilitates protein synthesis at synapses during learning, enabling long-term memory formation. By manipulating this pathway, scientists increased flies' memory and altered their behavioral responses to stimuli.
A 14-day study found that combining memory exercises, stress reduction, healthy diet, and physical fitness improved memory in older adults. Participants showed a 5% decrease in brain metabolism and better performance on cognitive tasks.
A memory trace is formed in a pair of neurons called the dorsal pair medial neurons, but only 30 minutes after the fact and through the mediation of a gene called amnesiac. The change can last about two hours, challenging the common-held precept that memories are stored in the same place.
Researchers found that caffeine consumption improved short-term memory skills and reaction times in a working memory task. Caffeine showed increased activity in brain regions responsible for attention and working memory, leading to enhanced cognitive performance.
A team led by Carnegie Mellon University scientist C. Giovanni Galán has found evidence of a living memory trace in honeybees, which lasts several minutes after initial exposure to an odor. The discovery supports Hebb's theory of learning and could provide new insights into how short-term memory works.
A study published in Neuron identifies the pre-frontal cortex as the origin of fear memory, contradicting previous research that linked it to the hippocampus. The researchers found that NMDA receptors play a critical role in developing fear memory, and blocking these receptors can reduce fear response.
Researchers found that older adults' brains have trouble filtering out distracting information, leading to memory impairment. The study provides a new diagnostic tool for attention and memory problems in both young and old individuals.