Articles tagged with Dementia
Researchers developed models to predict cognitive decline in people with early Alzheimer's disease. The models showed promise in predicting the rate of decline, but also highlighted the uncertainty of these predictions.
Researchers at Amsterdam UMC have developed a prediction model that can forecast cognitive decline in Alzheimer's patients with mild cognitive impairment or dementia. The model provides an indication of the disease course over 5 years and has potential for use in a user-friendly app, aiding doctors in discussing prognosis with patients.
Dr. Rissman's research uses plasma Aβ42/Aβ40 ratio to predict brain amyloid PET positivity and identify individuals at risk for Alzheimer's disease. His findings demonstrate the potential of a blood test to screen for amyloid in preclinical AD trials.
Researchers developed an AI framework to diagnose different forms of dementia using clinical data. The tool achieved a high area under the receiver operating characteristic curve and boosted neurologist accuracy by over 26%. This innovation has the potential to support increased demand in targeted therapeutic interventions for dementia.
Researchers at Wake Forest University School of Medicine have been awarded a five-year, $27 million grant from the National Institute on Aging to study the connections between heart health and brain health. The study will examine how cardiovascular disease contributes to Alzheimer's disease and other dementias.
Researchers have discovered a new diagnostic method for PSP by analyzing protein biomarkers in spinal fluid, which could lead to earlier diagnosis and targeted therapies. The high-throughput technology allows for the measurement of thousands of proteins in a tiny drop of fluid, providing a promising solution for identifying the condition.
A study found that higher levels of inflammation in early adulthood may negatively affect cognitive skills like planning, focus and processing information in middle age. Those with consistently high or moderate inflammation had poorer performance in processing speed and executive function.
Researchers discovered that young adults with higher levels of inflammation were more likely to experience reduced cognitive function in midlife. Higher inflammation was associated with lower performance on skills testing and differences in executive functioning.
A study of 221,777 individuals over 60 years old reveals disparities in antipsychotic use by socioeconomic status. People with low socioeconomic status are more likely to receive antipsychotics for dementia-related symptoms.
A new study of over 3,000 people found that dietary quality was closely linked with trends in general cognitive ability, with those eating more recommended foods showing improved cognitive performance and reduced risk of dementia. Establishing healthy dietary patterns early in life may support brain health throughout life.
A new study led by UCL researchers found that cardiovascular health is a significant risk factor for future dementia rates. The study analyzed data from 27 papers and found that rates of obesity and diabetes have increased over time, contributing to higher dementia risk.
A study from Aarhus University and the University of Oxford reveals that listening to music sets off a complex chain reaction in the brain, involving areas for sound, emotions, and memory. This understanding could lead to new interventions for improving cognitive function in individuals with neurological conditions.
Researchers at Boston University developed an AI model that analyzes speech patterns to predict the likelihood of Alzheimer's disease in patients with mild cognitive impairment. The model achieved an accuracy rate of 78.5% and could potentially revolutionize dementia screening, making it more accessible and efficient.
Researchers have developed a new nonhuman primate model that allows for the tracking and treatment of early-stage Alzheimer's disease. The study shows a six-month window in which disease progression can be measured, enabling preclinical testing of interventions targeting the tau protein.
Researchers found a causal link between cerebral small-vessel disease and increased risk of Alzheimer's and dementia. The study highlights the importance of white matter hyperintensity burden as a surrogate marker for clinical trials to prevent dementia.
Researchers found that women who had their ovaries removed before menopause experience reduced white matter integrity in multiple brain regions. This reduction may contribute to an increased risk of cognitive decline and dementia later in life.
A study found that men taking certain prostate drugs, like terazosin and doxazosin, had a 40% lower risk of developing dementia with Lewy bodies. The risk was similar among those taking tamsulosin or 5ARIs.
A randomized controlled trial at Ohio State University Wexner Medical Center found that using the SAGE test during routine appointments led to a sixfold increase in early diagnoses. The study demonstrated the effectiveness of this simple, self-administered tool for detecting cognitive impairment.
A new study by Duke-NUS Medical School reveals that individuals with cognitive impairment spend an additional S$700 per year on healthcare bills, mainly due to emergency department visits and hospital admissions. The researchers emphasize the need for proactive monitoring and care strategies to mitigate this growing burden.
Researchers have developed a blood test that can detect rare forms of dementia, such as frontotemporal dementia (FTD) and progressive supranuclear palsy (PSP), as well as amyotrophic lateral sclerosis (ALS). The test uses biomarkers, including tau and TDP-43 proteins, to identify underlying pathology.
Researchers used a closed-loop auditory stimulation approach to target alpha rhythms in the brain, revealing that sounds at specific phases can manipulate alpha oscillations. The study's findings suggest that sound stimulation could be used to enhance cognition and sleep in people with dementia.
A new Duke-NUS study found that nearly half of caregivers reported using physical restraints on family members with advanced dementia living at home. The study highlights the need for better guidance and support to prevent the use of restraints, which can impact older adults' physical and psychological health.
A new study reveals how the FUS protein behaves in ALS and FTD, mirroring what is observed in human diseases where protein aggregates spread and contribute to neurodegeneration. The research supports the broader hypothesis that many neurodegenerative diseases involve prion-like mechanisms.
The University of Texas at Arlington has awarded over $130,000 to support new research projects through its Research Enhancement Program grants. The funding is intended to provide seed money for researchers to initiate creative endeavors and make a positive impact on society.
A cohort study found that severe dust exposure increased the risk of dementia in World Trade Center responders under 65. Using personalized protective equipment may prevent this age of onset, according to the research.
A new review paper explores the mechanistic links between peripheral vascular dysfunction, cerebral vascular dysfunction, and reduced brain health with aging. The study suggests that targeting fundamental aging mechanisms may be a promising strategy to reduce dementia risk.
Researchers led by Dr. Victor Luna aim to develop new treatments for late-life depression and Alzheimer's disease by understanding how synapses function in the aging brain. They will investigate the role of a synaptic protein called mGluR2 in memory formation and emotion.
A study by Åsa Winzell Juhlin from the University of Gothenburg found that all participants over 90 had hearing loss, with 80% requiring hearing aids. The research emphasizes the importance of addressing hearing health in this age group for physical and mental well-being.
A study published by the American Academy of Neurology found that prolonged depressive symptoms starting in young adulthood are linked to worse thinking and memory skills in middle age, particularly among Black adults. The study also showed that Black adults experience depressive symptoms more often than white adults.
Dr. Jeetain Mittal's NIH grant will support multiscale computational models investigating phase separation in biology, particularly heterochromatin formation and its role in neurodegenerative diseases. The research aims to elucidate the molecular origins of phase separation using innovative models and methods.
Researchers estimate that 32% of memory clinic attendees and 14% of specialist cognitive service patients are eligible for disease-modifying therapies. Biomarker testing is crucial to identify suitable patients, but only a minority have undergone tests.
Middle-aged people exhibit reduced exploration when learning a novel maze environment compared to younger individuals. This difference is partially driven by changes in how they learn about the maze, including visiting more objects and pausing for longer periods.
Research finds that Huntington’s disease damages microscopic blood vessels in the brain, affecting coordination between neuronal activity and oxygenation. The study uses non-invasive measurement techniques to monitor disease progression and evaluate potential treatments.
A novel study led by NUS linguists reveals that seniors with memory-related mild cognitive impairment exhibit distinct speech patterns, including reduced noun usage and increased abstract thinking. These findings hold promise for developing language-based interventions to address dementia symptoms.
Research suggests that using hearing aids can help mitigate the acceleration of brain metabolism decline in individuals with mild cognitive impairment. The study found significant annual metabolic decline in frontal cortical regions among those with untreated hearing loss, whereas those with treated hearing aids experienced no such dec...
Researchers developed a therapeutic approach to replace the missing protein in the brain, reducing symptoms of frontotemporal dementia. The approach uses modified viruses to produce progranulin, which is then released into the bloodstream and crosses the blood-brain barrier, rescuing pathologies in mouse models.
A comprehensive, user-friendly repository has been created to help study Alzheimer's disease. The ssREAD database encompasses 277 integrated datasets from 67 scRNA-seq & snRNA-seq studies, totaling 7,332,202 cells, and includes interactive visualizations for comprehensive analysis interpretations.
Researchers at Queen Mary University of London developed a predictive test using fMRI scans that detects changes in the brain's 'default mode network' to predict dementia. The test showed accurate predictions up to nine years before an official diagnosis, with greater than 80% accuracy and a two-year margin of error.
A new study from Wake Forest University School of Medicine suggests that vigorous physical activity can lower the risk of cognitive decline in high-risk patients with hypertension. People who engage in one or more sessions of vigorous exercise per week had lower rates of mild cognitive impairment and dementia.
A new AI-driven tool can accurately diagnose Lewy body dementia by analyzing changes in vocal emotional expressions. The study found that individuals with Lewy body dementia exhibited more negative and calmer emotional expressions compared to those with Alzheimer's disease and healthy controls.
A new study from Karolinska Institutet found that stress weakens the association between cognitive reserve and improved cognition in memory clinic patients. Cognitive reserve is built through experiences like higher education and social interactions, but high or persistent stress levels can impair these benefits.
A new study found that an easy, five-minute assessment paired with recommendations in the electronic medical record system led to a three-fold improvement in diagnosis and treatment for patients with dementia. The '5-Cog paradigm' was developed to address cultural differences and testing disparities.
A new study by Brigham and Women's Hospital found that patients with dementia who underwent surgery for hip fractures experienced lower odds of death compared to those treated non-surgically. The benefit was seen in patients with head and neck of the femur fractures, but not in other locations.
A new study found that almost two-thirds of prescribed tricyclic antidepressants were above the safe dosage threshold, with Black patients more likely to receive these high-dose medications. The research highlights the need for routine evaluation of drug efficacy in clinical care environments.
A recent study published in the Journal of Applied Gerontology found that a 9-week online stress management intervention program for family caregivers reduced caregiver burden scores by 15%. The program provided education and strategies to manage stress, including self-care techniques like breathing and meditation.
A new study at the University of Copenhagen reveals that urolithin A, a naturally occurring substance in pomegranates, can alleviate memory problems and other consequences of dementia. The substance shows promise in improving brain function by removing damaged mitochondria.
Researchers have developed an AI algorithm that can track protein clumping under the microscope in real-time, revolutionizing the study of neurodegenerative disorders. The tool helps identify key characteristics of clumped proteins, which can lead to new therapies.
A new study published in JAMA Network Open reveals that upward social mobility significantly lowers the risk of dementia. The research, led by Osaka University researchers, analyzed data from 9,186 participants aged 65 and over, finding that individuals who experienced upward transitions had a notably lower risk of dementia incidence c...
Research suggests that oxidative stress (OS) may trigger Alzheimer's disease and that enriching brain glutathione (GSH) could be a way forward. Clinical studies indicate GSH depletion in the hippocampus initiates early onset of AD prior to amyloid beta deposition and tau phosphorylation.
A cohort study of Japanese older adults found that upward and downward socioeconomic status transitions were associated with an increased risk of dementia. The study also revealed a link between social mobility and the length of dementia-free periods throughout life.
A Phase III randomized, placebo-controlled trial found that donepezil did not improve memory or other cognitive functions in breast cancer survivors. Despite this, researchers emphasize the need for further trials with different approaches to address cancer-related cognitive impairment.
A study by Duke and Columbia Universities found that non-white older adults with mild cognitive impairment reside in areas with more environmental injustices than their white peers. The study suggests that location, race, and environmental factors may interact to impact brain health.
A new study from the University of Copenhagen found that long-term exposure to air pollution accelerates cognitive decline and increases risk of dementia. The research, which followed a cohort of nurses for 27 years, also suggests that physical activity may mitigate the adverse effects of air pollution.
Judges and physicians hold vastly different opinions on appointing legal guardians for people with dementia. Cognitive and neuropsychiatric symptoms, such as memory impairment and impulsivity, are evaluated differently by medical and legal professionals. Research emphasizes the need for consistency in assessments to ensure equal treatm...
Researchers developed a new system to prevent dementia, which was tested on 30 volunteers with mild cognitive impairment. The system showed a significant reduction in cognitive impairments after six weeks of training.
White and Hispanic people are most likely to be diagnosed with behavioral symptoms of dementia, but also receive potentially harmful drugs. The study found substantial racial disparities in dementia diagnosis and treatment, with non-white patients being underdiagnosed for treatable symptoms.
Scientists have recruited over 20,000 volunteers to a resource aimed at accelerating dementia drug development. The cohort will enable healthy individuals with increased genetic risk to participate in clinical trials, allowing researchers to test new treatments before symptoms appear.
A recent study published in BJSM found that increased cardio fitness level can reduce the risk of death from any cause and heart disease by 11-17% and 18%, respectively. Regular aerobic exercise programs can achieve this, leading to a reduced risk of early death and chronic conditions.
Physicians in states with mandatory reporting laws are 50% more likely to underdiagnose dementia, according to a new USC Dornsife study. This may worsen health outcomes and increase healthcare costs due to patients withholding symptoms out of fear of losing their driving privileges.
A global consortium has studied the connection between a specific gene variation and Pick's disease, a rare form of early-onset dementia. The research found that the MAPT H2 genetic variant is associated with an increased risk of Pick's disease in people of European descent.