Articles tagged with Memory Disorders
A Baycrest study reveals that sleep actively enhances memory for event sequence, improving recall of everyday experiences. This discovery deepens our understanding of the critical role of sleep in integrating experiences into memory.
A new study published in Brain Medicine found that administering Osanetant shortly after a traumatic event significantly dampens fear expression in female mice. This suggests that targeting fear memory at its roots may be an effective intervention to reduce PTSD-like behaviors.
A new study published in The Journals of Gerontology: Series A found that long-term exposure to high levels of air pollution is associated with lower scores in key cognitive abilities, especially language skills. Exposure to nitrogen dioxide and fine particulate matter was linked to poorer language performance.
A pilot study in western Sweden found that 5.5% of fourth-grade students had fetal alcohol spectrum disorders (FASD), including severe cases like fetal alcohol syndrome (FAS). The study's lead author suggests that the results may indicate a higher prevalence in Sweden compared to other European countries.
A new study published in PLOS Digital Health found that older drivers with GPS navigation systems tend to drive more frequently, suggesting these tools help maintain driving mobility. The research reveals that using GPS can alleviate spatial orientation difficulties and support older adults' independence on the roads.
A new study by UCL researchers found that people with visual Alzheimer's disease have a unique distribution of proteins and markers in their brain, leading to symptoms such as reading difficulties. In contrast, those with memory-led Alzheimer's disease have different protein patterns, resulting in symptoms like memory loss.
Cognitive neuroscientists are using VR to develop innovative ways to assess cognitive decline, particularly in identifying age-related differences in spatial memory navigation. The study found significant impacts on memory performance due to the build-up of Alzheimer's proteins in the brain.
A new study from USC Dornsife's Brain and Creativity Institute found that nostalgic music engages the brain's default mode network linked to memory and self-reflection, as well as its reward circuitry. This discovery could support emotional well-being and cognitive function in individuals with memory impairments.
Research published in JAMA Network Open found that college graduates experienced faster cognitive decline after a stroke compared to those with less education. The study highlights the importance of identifying patients at high risk for post-stroke cognitive decline to target future interventions.
Groundbreaking research from the University of South Australia shows that any form of exercise can significantly boost brain function and memory across children, adults, and older adults. Regular exercise improves general cognition, memory, and executive function in both healthy individuals and those with clinical conditions.
Mass General Brigham researchers developed an olfactory test, where participants sniff odor labels on a card, to assess cognitive impairment. The test showed promise as a tool for identifying risk of cognitive decline and was found to be successful at home.
Researchers at WashU Medicine have found that rejuvenating the network of vessels outside the brain can improve memory in old mice. The study lays the groundwork for developing therapies to overcome the challenges faced by conventional medications, which struggle to reach the brain due to the blood-brain barrier.
Researchers at WVU have discovered a way to fine-tune zinc activity to improve messaging in the brain, with potential applications for treating conditions such as autism, schizophrenia and Alzheimer's disease. The study identified new compounds that can selectively change synaptic connections by modulating zinc levels.
Researchers have discovered a blood test that can identify patients with a sleep disorder who are most likely to develop Dementia with Lewy Bodies. The blood test analyzes two proteins in the blood associated with Alzheimer's disease and predicted dementia risk in almost 90% of patients, four years before symptoms appeared.
A recent study published in Molecular Psychiatry suggests that poor sleep quality among older adults disrupts the brain's glymphatic system, leading to memory decline. The research team found that deactivation of the restorative glymphatic system negatively impacts normal brain function and cognitive health.
A new brain-mapping technique identified memory-related brain cells vulnerable to protein buildup, a key factor in Alzheimer's disease. The study found that certain cell types in the hippocampus and cortex were more affected by tau buildup.
Researchers found that high-fat diets caused significant changes in the brains of aged rats, including inflammatory markers and impaired memory functions, even after only three days. The study suggests that aging and diet-related inflammation may be key factors contributing to age-related memory decline.
Researchers discovered that females' dormant X chromosome reactivates in late life, expressing genes related to brain development and cognitive health. This phenomenon may explain why women outlive men and retain their cognitive abilities longer.
A study of nearly 900 postmenopausal women found an association between perimenopausal symptom burden and later cognitive function and behavioral impairment. Women with higher menopausal symptom burdens were more likely to experience poorer cognitive function and mild behavioral impairments, both markers of dementia.
Research reveals nearly 10% of individuals with disabilities misused prescription drugs in the past year, compared to 4.4% without disabilities. Young adults and those with cognitive disabilities are particularly vulnerable to prescription drug misuse.
Studies have consistently shown that 40Hz gamma stimulation can improve cognitive function and reduce Alzheimer's pathology in mice. In human clinical trials, participants exposed to 40Hz light and sound experienced significant slowing of brain atrophy and improvements on some cognitive measures compared to untreated controls.
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.
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.
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.
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 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.
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.
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.