Articles tagged with Memory Disorders
Research team develops novel method to exploit frictionless sliding for improved memory performance and energy efficiency. The new technology enables unprecedentedly efficient data read/write operations while consuming significantly less energy.
A study published in the Journal of Neurosurgery found that surgery can alleviate psychiatric distress and improve cognitive function in patients with Chiari Malformation type 1. Nearly 90% of patients showed improvements in cognitive function or psychiatric symptoms, with many reporting a significant reduction in brain fog.
Researchers found that a rare genetic syndrome causes different damage mechanisms in male and female brains, affecting neurogenesis and energy production. The study suggests that the ADNP protein plays a crucial role in brain development and aging, with distinct functions in males and females.
Kei Igarashi, a UC Irvine School of Medicine associate professor, has been awarded the Inoue Prize for Science for his discovery of brain mechanisms governing object memory and their deterioration in dementia. His work offers new hope for treating Alzheimer's disease by identifying potential targets for therapeutic intervention.
A study by University of Queensland researchers found nearly 70% of suspected frontotemporal dementia patients did not have the disease. Misinterpretation of brain scans and cognitive tests led to many incorrect diagnoses, highlighting the need for careful interpretation.
Researchers have uncovered a mitochondrial process that supports brain cells critical for learning, memory, and social recognition. The study reveals the critical role of the mitochondrial calcium uniporter in enabling neurons to strengthen connections through synaptic plasticity.
A study found clear differences in brain health between Hispanic and non-Hispanic White older adults, with Hispanic participants scoring lower on tests of memory, attention, and problem-solving despite similar mental health. Researchers emphasize the importance of considering social, economic, and cultural factors when developing progr...
The AI-powered tool, ReCOGnAIze, uses neuroscientific games to identify early signs of cognitive impairment in just 15 minutes, achieving nearly 90% accuracy. This scalable and cost-effective solution aims to improve quality of life for individuals with mild cognitive impairment.
A new drug developed by the Centre for Addiction and Mental Health (CAMH) has shown significant promise in reversing memory loss in a mouse model of Alzheimer's disease. The drug, GL-II-73, selectively targets GABA receptors to restore brain function and repair damaged neural connections.
Researchers used intracranial EEG recordings to find that meditation led to changes in the amygdala and hippocampus, key regions involved in emotional regulation and memory. Loving kindness meditation was specifically found to be associated with changes in brain wave activity.
Tobias Ackels' research reveals that mammals can differentiate between odor sources at lightning speed, using a temporal dimension to orient themselves in space. This ability is encoded in the output of the olfactory bulb and could be used for early detection of dementia.
A study found that people with delayed REM sleep have higher levels of toxic proteins amyloid and tau, and lower levels of healthy protein BDNF, which can increase the risk of developing Alzheimer's. Practicing healthy sleep habits may help mitigate this risk.
Limbic-predominant age-related TDP-43 encephalopathy (LATE) is a common memory disorder that can progress slower and cause less impairment of cognitive functions than other types of dementia. The new guidelines provide a first step in advancing clinical trials and treatments for this lesser-known, but common type of memory loss disorder.
Researchers found that individuals with childhood epilepsy have an increased accumulation of brain amyloid later in life, which may lead to late-onset brain amyloid disorders like Alzheimer's disease. The study also showed that these individuals performed worse in cognitive tests compared to controls.
UCSF researchers found that when brain cells of female mice express only a maternal X chromosome, their memory and cognitive skills deteriorate faster. This study could explain the variation in brain aging between the sexes and individual women.
Researchers at Nagoya University found that stimulating CB2 with JWH 133 improved cognitive function and reduced neuroinflammation in AD mouse models. The study suggests that CB2 is a potential therapeutic target for Alzheimer's disease, providing a cost-effective alternative to existing treatments.
Research identifies IL-1R1-expressing neurons in key brain regions, including the somatosensory cortex and hippocampus, which regulate sensory processing, mood regulation, and memory. The study provides new insights into how inflammation contributes to sensory, mood, and memory disorders.
Researchers at University of the Basque Country discover molecule that protects brain and reverses initial cognitive damage caused by dementia; increases activity of cannabinoid and cholinergic systems, improving memory. Further studies needed to identify similar molecules for clinical trials.
Researchers found microvascular trouble to be an early biomarker for dementia and potential target for therapy. People with memory problems showed blood vessel dysfunction, regardless of Alzheimer's-related brain changes.
A study published in PNAS found that short-term timing patterns of past brain activity are the primary determinant of sleep spindle timing, accounting for over 70% of its variability. These individualized patterns change with age and provide a new target for understanding how sleep supports memory.
A new Tulane University study suggests that the Mediterranean diet's brain-boosting benefits may work by changing the balance of bacteria in the gut. Researchers found that subjects following a Mediterranean diet developed distinctly different gut bacteria patterns compared to those eating a typical Western diet.
A new study published in PNAS found that sleep deprivation leads to memory control deficits, making it harder to suppress unwanted memories. REM sleep rejuvenates brain regions that support memory inhibition, reducing the likelihood of intrusive memories.
Researchers at Tel Aviv University discovered the brain actively prevents learning both types of memory, leading to confusion. The brain prioritizes one type of learning over the other using a strategy to resolve conflicts.
Researchers at Cornell University have created mini virtual reality (VR) headsets called MouseGoggles, which allow mice to navigate virtual environments with greater immersion and accuracy. The technology has the potential to reveal insights into spatial navigation and memory function, shedding light on disorders like Alzheimer's disease.
A new study by Columbia University researchers has found a strong link between structural sexism and faster memory decline in women. Born in the most sexist US states, these women experience faster memory decline compared to those born in less sexist states, with an age equivalent to nine years of cognitive aging.
A new study by Northwestern University researchers found that breathing rhythms coordinate hippocampal brain waves during sleep, strengthening memory consolidation. This synchronization is critical for proper memory formation and retrieval, with implications for treating disordered breathing during sleep, such as sleep apnea.
A new study sheds light on how age-related changes affect financial skills, finding that verbal representations and language processing play a crucial role. Individuals with better language skills and higher household income are more likely to excel in financial tasks.
Researchers at UniSA found that certain sedentary behaviors, like reading, are beneficial for cognitive function, while others, such as watching TV, have a negative effect. The study suggests a nuanced approach to thinking about the link between sedentary behaviors and cognitive function.
A USC-led study found that neurogenesis in adults supports verbal learning and memory, enabling people to have conversations. The discovery could lead to new approaches to restore cognitive function in patients with epilepsy and other conditions.
A Baycrest study has found that high blood sugar may impair brain health even in people without diabetes. Researchers analyzed data from 146 healthy adults and found a correlation between high blood sugar levels and lower brain activity.
Researchers at Karolinska Institutet found that patients with frontotemporal dementia show reduced brain activity when witnessing pain in others, leading to a lack of empathy. This study aims to increase understanding of this specific dementia disease and its impact on caregivers.
A new study reveals that concussions impact aperiodic brain activity in high school football players, leading to slowed cognitive function and worse post-concussion symptoms. The research highlights the importance of protective measures in contact sports and may lead to new treatments for concussion recovery.
Researchers found that individuals with depression who engage in reflexive emotion regulation experience increased suicidal thoughts during daily stressful events. In contrast, adaptive responses to stress were observed when participants used reappraisal strategy.
A study found that maternal immune activity during pregnancy affects offspring's long-term memory circuitry and function in childhood and midlife. Elevated levels of IL-6 and TNF-a in mothers were linked to adverse brain activity in memory circuitry, particularly in postmenopausal women.
A new review highlights the differences in brain aging and Alzheimer's disease between humans and non-human primates, revealing that primate brains are more resistant to aging-related damage. The study suggests that tau tangles play a critical role in Alzheimer's progression, challenging the amyloid cascade hypothesis.
A study of over 4,000 participants found that those with both conditions showed faster memory impairment. The researchers suggest that the combination of joint pain and depressive symptoms can lead to an 'overlap' of information in the brain, causing cognitive decline.
A new study reveals that many older adults in low-income communities are living with undiagnosed cognitive impairments, including mild cognitive impairment (MCI) and dementia. The study found significant racial disparities, with African American patients being more than twice as likely to have undiagnosed MCI or dementia.
Children with asthma show lower scores on episodic memory tasks compared to their peers without the condition. Earlier onset and longer duration of asthma also contribute to slower memory development over time.
A study published in Nature reveals that astrocytes, star-shaped brain cells, play a crucial role in storing and retrieving memories. Researchers found that these non-neuronal cell types work closely with groups of neurons called engrams to regulate the formation and recall of memories.
Researchers at EPFL have created a unique experimental setup combining non-invasive deep-brain stimulation, virtual reality training, and fMRI imaging to improve spatial memory. The study shows that targeted electric impulses to the hippocampus can temporarily increase brain plasticity, leading to better navigation and recall.
Dr. Joongkyu Park has been awarded two new NIH grants totaling $2.3 million to investigate local protein synthesis in tau pathology neurodegeneration and redirected CaMKII for restoring deficits in Alzheimer's disease models. The research aims to understand how these mechanisms contribute to the pathologic features of Alzheimer's disease.
A new study from UT Arlington found that setting reminders can significantly reduce age-related declines in memory, particularly in prospective memory. The study suggests that reminders help counteract cognitive strain by making memory retrieval less reliant on internal processes.
A new Concordia study reveals that bilingualism is associated with larger and healthier hippocampi in patients with Alzheimer’s disease. The research found no evidence of hippocampal atrophy in bilinguals across the continuum of Alzheimer’s development.
Studies show that the cerebellum is critical for forming stable memories for sensorimotor skills, largely independent of short-term memory systems. Researchers found that longer time intervals between trials increased reliance on impaired long-term memory.
Cardiovascular diseases like heart failure and atrial fibrillation are linked to cognitive impairment and increased risk of dementia. Adopting a healthy lifestyle and identifying vascular risk factors early may help preserve brain function and reduce the burden of Alzheimer's disease.
A new citizen science study has found that a person's subjective impression of their own memory problems is strongly linked to modifiable risk factors for dementia. The research used a smartphone app to gather data from 3,327 people and found a stronger association between subjective memory impairment and risk factors such as depressio...
A recent study found that tau protein buildup disrupts the salience network, a crucial communication network in the brain, leading to behavioral changes. The study used advanced medical imaging to analyze the brains of 128 people with early-stage dementia and showed a strong association between tau disruption and behavioral symptoms.
Researchers successfully activated a specific memory circuit in mice using brain-imaging technology. The study found that stimulating neurons in two areas of the mouse brains reactivated spatial memory and caused the mice to seek shelter.
A research team led by Maria Glymour will investigate four modifiable risk factors for ADRD: lifetime alcohol use, depression, vision and hearing impairments, and social isolation. The project aims to provide comprehensive evidence on how these risk factors contribute to ADRD risk.
Neurobiologists identify shared brain mechanism behind meth and PCP-induced cognitive deficits, finding a reversible switch in neurotransmitters. Reversing this switch restores memory function, offering potential for new treatments.
Researchers found that emotion enhances ability to retrieve contextual details, contrary to prevailing view that emotion impairs memory. The study's findings have practical implications for controlling and capitalizing on emotions to remember better.
Researchers have identified eight novel genetic mutations in patients with CSF1R-Related Disorder worldwide, highlighting the prevalence of the disease and paving the way for future individualized treatment. The discovery also suggests that genetic and environmental factors may influence the disease.
ASU has created an Edward R. Roybal Center to develop and adapt technology-enabled lifestyle and behavioral interventions for older adults with cognitive decline. The center aims to help individuals maintain independence while managing challenges of aging.
Researchers found that low extracellular sodium concentrations decrease specific mRNA expression and nitric oxide production in microglia, potentially contributing to hyponatremia-induced neuronal dysfunctions. Microglial activation can lead to inflammation and regulate neurotransmission.
Aging brains struggle to clear out outdated information, leading to slower processing and more frequent forgetfulness. Beta-band neural oscillations play a crucial role in regulating working memory, with older adults showing a stronger link between these oscillations and their ability to delete irrelevant information.
A new study by University of Oklahoma researchers identifies key measurements of brain blood flow and ability to compensate as better predictors of mild cognitive impairment than traditional risk factors. The findings provide hope for preventing or treating memory problems early before they progress to dementia.
Newly developed tools enable selective labeling and manipulation of synapses, advancing understanding of learning, memory, and neurological disorders. The review highlights promising molecular actuators and optogenetic approaches to unravel synaptic function mysteries.
A recent study by the Center for BrainHealth found that long-term cannabis use is associated with poorer sleep quality, which in turn affects memory performance. The research, published in The American Journal of Drug and Alcohol Abuse, involved 141 adults with cannabis use disorder and 87 non-users.
A new study published by the American Academy of Neurology found a possible link between heavy metal cadmium exposure and cognitive impairment in white individuals, but not in Black people. The study showed that high levels of cadmium were associated with increased risk of thinking and memory problems among white participants.
Researchers at Kessler Foundation develop a new clinical protocol to improve learning and memory in individuals with multiple sclerosis who have mobility disability. The study combines aerobic exercise with virtual reality and cognitive rehabilitation, showing potential synergistic effects on cognitive improvements.