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dementia

This shows blue pills in an old man's hand.

·June 8, 2024·4 min read

Viagra Shows Promise in Boosting Brain Blood Flow for Dementia Prevention

A new study reveals that sildenafil (Viagra) enhances brain blood flow and improves blood vessel function in patients at risk of vascular dementia. This study marks a significant advancement in addressing this condition. The team found that sildenafil increased blood flow in the brain's small and large vessels, potentially preventing dementia. These findings highlight the drug's promise for larger-scale trials to confirm its effectiveness.

Featured Neurology Neuroscience

·June 6, 2024·5 min read

MRI Method Predicts Dementia 9 Years in Advance with 80% Accuracy

Researchers developed a method to predict dementia with over 80% accuracy up to nine years before diagnosis. Using fMRI scans, the team analyzed changes in the brain's default mode network (DMN), which is affected early in Alzheimer's disease. This approach outperforms traditional memory tests and brain shrinkage measurements. The study used data from over 1,100 volunteers and highlights potential applications for early intervention.

Featured Neurology Neuroscience

·May 15, 2024·5 min read

Resilience to Dementia: Having Alzheimer’s Pathology with No Symptoms

A new study found that some individuals show no Alzheimer's symptoms despite having the disease's brain processes. This "resilient" group has unique molecular and cellular characteristics, including higher antioxidant production by astrocytes and less active microglia pathways.

Featured Neurology Neuroscience Psychology

·April 20, 2024·7 min read

Risks of Antipsychotic Use in Dementia Patients

A new study revealed significant risks associated with antipsychotic use in dementia patients, including increased chances of stroke, heart failure, pneumonia, and other serious conditions. The research analyzed data from 173,910 dementia patients in England, tracking those prescribed antipsychotics post-diagnosis against those who were not.

Featured Neurology Neuroscience

·April 11, 2024·4 min read

Lucid Episodes in Dementia Explored

A new study explores lucid episodes in individuals with advanced dementia, revealing that these episodes are not confined to imminent death scenarios as previously thought. Surveying family caregivers, the researchers classified these episodes into types based on their quality and context, finding that 75% of those experiencing lucid moments had Alzheimer’s Disease.

Featured Neurology Neuroscience

·April 9, 2024·6 min read

Cannabis Use Linked to Lower Dementia Risk

Recreational cannabis use may be associated with a significant decrease in the odds of experiencing subjective cognitive decline (SCD) in adults over 45. Analyzing data from the CDC's 2021 Behavioral Risk Factor Surveillance System, researchers found that recreational users had 96% lower odds of reporting SCD compared to non-users.

Featured Neurology Neuroscience

·April 5, 2024·5 min read

UK to Begin Nationwide Blood Test Trials for Dementia

The UK is set to conduct nationwide trials to evaluate the effectiveness of blood tests in diagnosing dementia. The Blood Biomarker Challenge aims to validate potential blood tests for clinical use in the NHS within five years.

Featured Genetics Neurology Neuroscience

·March 27, 2024·4 min read

Diabetes, Pollution, and Alcohol Amplify Dementia Risk

Researchers identified key risk factors and genetic influences impacting a specific brain network vulnerable to aging, schizophrenia, and Alzheimer’s disease. This 'weak spot' in the brain is especially susceptible to diabetes, air pollution, and alcohol consumption.

Featured Neurology Neuroscience

·March 26, 2024·3 min read

Early Signs of Dementia Found in Middle Age

A new study reveals that Lewy body disease, a major neurodegenerative disorder second only to Alzheimer's, may start developing in individuals as early as middle age, well before symptoms manifest. Utilizing unique Finnish forensic autopsy data, the study found markers of the disease in 9% of individuals over 50 without any clinical diagnosis of Parkinson’s or Lewy body disease.

Featured Genetics Neurology Neuroscience

·March 22, 2024·7 min read

ALS and Dementia Share Molecular Links

Amyotrophic lateral sclerosis (ALS) and frontotemporal lobar degeneration (FTLD) share remarkably similar cellular and molecular characteristics despite their different clinical manifestations. The study analyzed RNA expression in over 620,000 cells from the motor and prefrontal cortex of 73 donors, revealing nearly identical changes in gene expression in the most vulnerable neurons across both diseases. This suggests potential therapeutic targets for ALS may also be effective for FTLD, and vice versa.

Featured Neurology Neuroscience

·February 1, 2024·5 min read

Dementia’s Rarity in Greek and Roman Times

Severe memory loss, akin to today's dementia epidemic, was extremely rare in ancient Greece and Rome, indicating these conditions may largely stem from modern lifestyles and environments. Analyzing classical texts, the study found minimal mentions of cognitive impairments in these ancient civilizations, contrasting sharply with current dementia rates.

Featured Neurology Neuroscience

·January 24, 2024·4 min read

More Education, Longer Life: Global Study Reveals Link

A new study reveals that higher education levels significantly reduce the risk of death, regardless of age, sex, location, or background. Researchers found that each additional year of education decreases death risk by two percent, with 18 years of education lowering it by 34 percent.

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dementia

Viagra Shows Promise in Boosting Brain Blood Flow for Dementia Prevention

MRI Method Predicts Dementia 9 Years in Advance with 80% Accuracy

Resilience to Dementia: Having Alzheimer’s Pathology with No Symptoms

Risks of Antipsychotic Use in Dementia Patients

Lucid Episodes in Dementia Explored

Cannabis Use Linked to Lower Dementia Risk

UK to Begin Nationwide Blood Test Trials for Dementia

Diabetes, Pollution, and Alcohol Amplify Dementia Risk

Early Signs of Dementia Found in Middle Age

ALS and Dementia Share Molecular Links

Dementia’s Rarity in Greek and Roman Times

More Education, Longer Life: Global Study Reveals Link

AI Chip Mimicking Brain’s Reflex Center Developed

Study Overturns Decades of External Axon Growth Theory

Study Shatters Assumptions About Brain Connectome Dynamics

Earliest Evidence of Right-Handedness Found

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