Dementia

Gray matter gamma-hydroxy-butyric acid and glutamate reflect beta-amyloid burden at old age.

May 01, 2024

Gamma-hydroxy-butyric acid (GABA) and glutamate are neurotransmitters with essential importance for cognitive processing. Here, we investigate relationships between GABA, glutamate, and brain ß-amylo...

Distinct spatiotemporal patterns of cortical thinning in Alzheimer's disease-type cognitive impairment and subcortical vascular cognitive impairment.

Feb 18, 2024

Previous studies on Alzheimer's disease-type cognitive impairment (ADCI) and subcortical vascular cognitive impairment (SVCI) has rarely explored spatiotemporal heterogeneity. This study aims to ident...

Genome-wide epistasis analysis reveals gene-gene interaction network on an intermediate endophenotype P-tau/Aβ ratio in ADNI cohort.

Feb 18, 2024

Alzheimer's disease (AD) is a progressive neurodegenerative disorder and the most common cause of dementia in the elderly worldwide. The exact etiology of AD, particularly its genetic mechanisms, rema...

[DEMENTIA IN THE MENTAL DISORDERS CHAPTER OF THE WORLD HEALTH ORGANIZATION INTERNATIONAL CLASSIFICATION OF DISEASES: WHAT HAS BEEN CHANGED FROM ICD-10 TO ICD-11?].

Nov 15, 2023

During the three decades since the publication of ICD-10 in 1992 and the initial implementation of ICD-11 in 2022, much clinical and research data have been accumulated concerning the various types of...

Contribution of amyloid and putative Lewy body pathologies in neuropsychiatric symptoms.

Sep 01, 2023

Neuropsychiatric symptom could be useful for detecting patients with prodromal dementia. Similarities and differences in the NPSs between preclinical/prodromal Alzheimer's disease (AD) and prodromal P...

Opicapone versus entacapone: Head-to-head retrospective data-based comparison of healthcare resource utilization in people with Parkinson's new to COMT inhibitor treatment.

Jul 25, 2023

Motor fluctuations are a significant driver of healthcare resource utilization (HCRU) in people with Parkinson's (PwP). A common management strategy is to include Catechol-O-methyl transferase (COMT) ...

Differential Implications of Cerebral Hypoperfusion and Hyperperfusion in Parkinson's Disease.

Jul 25, 2023

Patients with Parkinson's disease (PD) exhibit widespread brain perfusion changes.This study investigated whether cerebral regions with hypoperfusion and hyperperfusion have differential effects on mo...

Assessing farmer's exposure to pesticides and the risk for non-communicable diseases: A biomonitoring study.

May 29, 2023

This cross-sectional study aimed to assess the adverse effects of pesticide use in humans, such as non-communicable diseases, using acetylcholinesterase (AChE) and pesticide concentrations in blood sa...

Long-term safety of medical cannabis in Parkinson's disease: A retrospective case-control study.

May 22, 2023

Whole-plant medical cannabis (MC) products are widely used for controlling symptoms associated with Parkinson's disease (PD). Despite its widespread use, few studies have investigated the long-term im...

Impact of therapeutic and low volume plasma exchange on clinical laboratory parameters in patients treated for Alzheimer's disease from the AMBAR study.

May 22, 2023

Little is known about the impact of plasma exchange (PE) on clinical laboratory parameters in Alzheimer's disease (AD) patients.AD patients in the AMBAR trial (N = 322) received weekly therapeutic...

Drugs to the Rescue: Comparison of On-Demand Therapies for OFF Symptoms in Parkinson's Disease.

May 15, 2023

Patients with Parkinson's disease often suffer from OFF symptoms disrupting their daily routines and adding to disabilities. Despite polypharmacy and adjustments to medication schedules, they often do...

BPSD Patterns in Patients With Severe Neuropsychiatric Disturbances: Insight From the RECAGE Study.

May 15, 2023

Behavioral and psychological symptoms of dementia (BPSD) profiles vary depending on etiology in patients with mild-to-moderate BPSD. It is not known if similar differences exist in patients with sever...

Linking Late-Life Depression and Allostatic Load to Dementia Risk: AGES-Reykjavik Study

May 12, 2023

The following is a summary of the “Late-life depression, allostatic load, and risk of dementia: The AGES-Reykjavik study,” published in the February 2023 issue of Psychoneuroendocrinology by Twait...

Impact of Acute Stress on Working Memory: A Systematic Review and Hypothesis

May 11, 2023

The following is a summary of the “Time-dependent effects of acute stress on working memory performance: A systematic review and hypothesis,” published in the February 2023 issue of Psychoneuroend...

Learning Hand Kinematics for Parkinson's Disease Assessment Using a Multimodal Sensor Glove.

May 08, 2023

Hand dysfunctions in Parkinson's disease include rigidity, muscle weakness, and tremor, which can severely affect the patient's daily life. Herein, a multimodal sensor glove is developed for quantifyi...

A Novel Serum-Based Diagnosis of Alzheimer's Disease Using an Advanced Phage-Based Biochip.

May 08, 2023

55 million people worldwide suffer from Alzheimer's disease (AD). A definitive diagnosis of AD is made postmortem after a neuropathological examination of the brain. There is an urgent need for an inn...

Sex differences in the progression of glucose metabolism dysfunction in Alzheimer's disease.

May 01, 2023

Alzheimer's disease (AD) is a common neurodegenerative disease characterized by amyloid plaques and impaired brain metabolism. Because women have a higher prevalence of AD than men, sex differences ar...

High affinity of β-amyloid proteins to cerebral capillaries: implications in chronic lead exposure-induced neurotoxicity in rats.

May 01, 2023

Lead (Pb) is a known environmental risk factor in the etiology of Alzheimer's disease (AD). The existing reports suggest that Pb exposure increases beta-amyloid (Aβ) levels in brain tissues and cereb...

Multimodal investigation of melanopsin retinal ganglion cells in Alzheimer's disease.

Apr 24, 2023

In Alzheimer's disease (AD), the presence of circadian dysfunction is well-known and may occur early in the disease course. The melanopsin retinal ganglion cell (mRGC) system may play a relevant role ...

Measurement of Neuro-energetics and Neurotransmission in the Rat Olfactory Bulb by H and H-[ C] NMR Spectroscopy.

Apr 24, 2023

The olfactory bulb (OB) plays a fundamental role in the sense of smell and has been implicated in several pathologies, including Alzheimer's disease. Despite its importance, high metabolic activity, a...