cognitive decline

Predictive Value of Midlife and Late-Life Blood Biomarkers for Alzheimer’s Disease and Long-Term Cognitive Decline

By MedXY 10/22/2026

This study reveals that midlife plasma p-tau181 predicts faster memory decline over 11 years, highlighting a long prodromal phase of Alzheimer’s disease. Late-life biomarkers p-tau181, NfL, and GFAP correlate with accelerated cognitive decline across domains.

Neurology news Public Health

Impact of APOE ɛ4 and ɛ2 Alleles on Cognitive Trajectories in Nonagenarians and Beyond: Insights from the LifeAfter90 Study

By MedXY 10/20/2026

This study illuminates how APOE ɛ4 accelerates executive function decline while ɛ2 may protect verbal episodic memory in individuals aged 90+, highlighting genetic influences on cognition in exceptional longevity.

Neurology news

Physical Activity and Motor and Cognitive Progression in Parkinson Disease: A Longitudinal Cohort Study

By MedXY 10/12/2026

This study links higher physical activity levels with slower cognitive and motor decline in Parkinson's disease, highlighting the importance of sustained activity engagement.

Neurology news Radiology

Arterial Spin Labeling Hemodynamic Metrics Predict Cognitive Decline and Small Vessel Disease Progression Over 11 Years

By MedXY 09/19/2026

This study demonstrates that arterial spin labeling spatial coefficient of variation (ASL-sCoV) correlates with cerebral small vessel disease burden and predicts cognitive decline over 11 years, outperforming traditional cerebral blood flow measures.

Clinical Updates Neurology news

Early Life Vascular Risk and Midlife Markers of Brain Aging: Insights from Longitudinal Neuroimaging and Cognitive Trajectory Studies

By MedXY 09/17/2026

This review synthesizes longitudinal evidence linking early adulthood vascular risks, particularly elevated systolic blood pressure and smoking, to midlife cognitive decline and brain structural alterations. It highlights critical intervention windows and neuroimaging biomarkers indicative of cerebrovascular and neurodegenerative injury.

Cardiology Clinical Updates Neurology news

Association of Clonal Hematopoiesis With Silent Brain Lesions and Cognitive Decline in Patients With Atrial Fibrillation: An Integrative Review

By MedXY 08/24/2026

Clonal hematopoiesis (CHIP) significantly associates with increased silent brain lesions and progressive cognitive decline in atrial fibrillation patients, highlighting a novel neurovascular risk factor with implications for patient management and future research.

Cardiology Clinical Updates Neurology news

Oral Anticoagulants, Cognition, and Clinical Outcomes in Atrial Fibrillation and Alzheimer’s Disease: Insights from a Swedish Nationwide Study

By MedXY 08/13/2026

This review synthesizes evidence linking NOAC use to slower cognitive decline and improved clinical outcomes in patients with atrial fibrillation and Alzheimer's disease, highlighting advantages over warfarin and non-use.

Neurology news Radiology

Brain-Predicted Age Difference Enhances Dementia Risk Stratification in Subjective Cognitive Decline Beyond Standard MRI Assessment

By MedXY 08/11/2026

Brain-predicted age difference (brain-PAD) from MRI improves early dementia risk prediction in patients with subjective cognitive decline, outperforming traditional visual MRI ratings and offering prognostic value beyond amyloid biomarkers, especially in early-stage cognitive impairment.

Internal Medicine Neurology news

Deciphering the Link Between Postoperative Delirium, Rehospitalization, and Cognitive Decline in Older Adults

By MedXY 08/10/2026

This study investigates whether recurrent hospitalizations mediate the association of postoperative delirium with long-term cognitive decline in seniors after major surgery, finding that rehospitalization does not significantly affect this relationship.

Neurology news OB/GYN & Women’s Health

Influence of Parity on Cognitive Decline and Hippocampal Atrophy in Amyloid-Positive Postmenopausal Women

By MedXY 06/25/2026

Higher parity in cognitively unimpaired postmenopausal women with positive β-amyloid status is linked to accelerated cognitive decline and hippocampal volume reduction, suggesting parity modulates resilience to Alzheimer’s pathology in preclinical stages.

Neurology news Public Health

Brain Imaging Biomarkers and Cognitive Outcomes in a Multidomain Lifestyle Intervention: The POINTER Imaging Ancillary Study

By MedXY 06/17/2026

The POINTER Imaging study found no overall brain biomarker changes from a structured lifestyle intervention, but participants with lower baseline hippocampal volume showed greater cognitive benefit, suggesting imaging may help identify who responds best.

Cardiology Neurology news

Prior Myocardial Infarction and Cognitive Decline: Insights from the REGARDS Cohort

By MedXY 05/16/2026

In the REGARDS cohort, prior myocardial infarction, including silent MI, was linked to faster long-term cognitive decline, suggesting heart attack history may help identify people at risk for future cognitive impairment.

Cardiology Neurology news

Effects of Exercise and Intensive Vascular Risk Reduction on Cognitive Function in Older Adults: A Randomized Clinical Trial

By MedXY 05/16/2026

A 24-month randomized trial found that exercise, intensive blood pressure and cholesterol control, or both together did not significantly improve cognitive function in older adults at increased risk for dementia.

Neurology news Public Health

Cerebral “Dirty-Appearing” White Matter and Its Link to Cognitive Decline and Dementia Risk

By MedXY 05/13/2026

In older adults with limited small vessel disease, “dirty-appearing” white matter on MRI was not linked to baseline cognition, cognitive decline, or dementia risk, unlike conventional white matter hyperintensities.

Neurology news Public Health

DASH and Other Healthy Diets Linked to Lower Cognitive Decline Risk in Large U.S. Cohorts

By MedXY 04/19/2026

In two large U.S. cohorts, greater adherence to healthy dietary patterns—especially DASH—was associated with less subjective cognitive decline and slightly better objective cognition.

Cardiology Neurology news

Biological Age Outpaces Chronological Age in Predicting Cerebral Small Vessel Disease Progression

By MedXY 04/14/2026

This longitudinal cohort study reveals that biomarker-based biological age, particularly KDMAge and PhenoAge residuals, significantly predicts progression of cerebral small vessel disease, including new lacunes and microbleeds, offering potential for early risk identification.

Neurology news

The Landscape of Late-Life Dementia: Why Mixed Neuropathologies Are the Rule, Not the Exception

By MedXY 02/12/2026

A large-scale longitudinal study reveals that over 80% of community-dwelling older adults harbor mixed neuropathologies, identifying five distinct profiles that dictate specific cognitive decline trajectories, with ADNC and LATE-NC clusters showing the most aggressive progression.

Cardiology Neurology news

Low-Dose Rivaroxaban Fails to Halt Cognitive Decline in Low-Risk Atrial Fibrillation: Results from the BRAIN-AF Trial

By MedXY 01/22/2026

The multicenter BRAIN-AF trial found that rivaroxaban did not prevent cognitive decline or stroke in patients with atrial fibrillation and low CHA2DS2-VASc scores. Despite significant cognitive deterioration observed across both groups, the trial was halted early for futility, highlighting the complexity of AF-related neurocognitive impairment.

Internal Medicine Neurology news

Blarcamesine in Early Alzheimer’s Disease: Promising Results Amidst Controversies

By MedXY 12/25/2025

Blarcamesine shows potential in slowing early Alzheimer's progression, but questions about trial data robustness and transparency have been raised.

Neurology news

Beyond a Positive Result: α-Synuclein Seeding Kinetics Predict Cognitive Decline in Parkinson’s Disease

By MedXY 12/23/2025

A large-scale longitudinal study reveals that α-synuclein seed amplification assay (SAA) kinetic measures, particularly time to threshold, can differentiate Parkinson's from PSP and predict future cognitive decline independently of Alzheimer’s pathology, offering a new dimension to neurodegenerative diagnostics.