نتایج جستجو برای: early alzheimers disease

تعداد نتایج: 2042401  

Journal: :Frontiers in Neuroscience 2023

Background Diabetes-associated cognitive dysfunction (DACD) is a common and serious complication in diabetes has high impact on the lives of both individuals society. Although number research focused DACD past two decades, there no study to systematically display knowledge structure development field. Thus, present aimed show landscape identify emerging trends for assisting researchers or clini...

Journal: :iranian journal of radiology 0
sohaila yazdani kermanshah university of medical sciences, kermanshah, iran; kermanshah university of medical sciences, kermanshah, iran karim khoshgard kermanshah university of medical sciences, kermanshah, iran hasan norouzi kermanshah university of medical sciences, kermanshah, iran

conclusions both task-related and resting fmri techniques have the potential to detect early brain dysfunction related to ad. however, the use of fmri in ad populations thus far has been limited to a relatively small number of research groups. results bold fmri is considered to reflect the joined synaptic activity of neurons through mri signal changes because of alterations in blood flow, blood...

2011

Background: Behavioral variant frontotemporal dementia (bvFTD) patients show prefrontal cortex dysfunction and atrophy. Methods: We investigated whether executive function in conjunction with prefrontal cortex atrophy discriminates bvFTD and Alzheimer’s disease (AD) patients efficiently at presentation. Results: AD and bvFTD patients were distinguishable by 89.5% on their performance of 3 execu...

Journal: :genetics in the 3rd millennium 0
مازیار سیدیان maziar seyedian tehran university of medical sciences, tehran, iranاستاد یار نورولوژی، دانشگاه علوم پزشکی تهران، تهران، ایران

alzheimers disease (ad) is by far the most common cause of dementia. definite diagnosis of ad is based on pathological findings. nincds-adrda criteria, published more than 25 years ago, are commonly used for the clinical diagnosis of ad. however, considering serious shortcomings of these criteria, new criteria have been proposed. according to these new criteria, ad can be diagnosed in predement...

2016
Peng Cao Xiaoli Liu Dazhe Zhao Osmar R. Zaïane

Alzheimers Disease (AD) is the most common neurodegenerative disorder associated with aging. Early diagnosis of AD is key to the development, assessment, and monitoring of new treatments for AD. Machine learning approaches are increasingly being applied on the diagnosis of AD from structural MRI. However, the high feature-dimension and imbalanced data learning problem is two major challenges in...

Journal: :Acta neurobiologiae experimentalis 1996
A Szutowicz M Tomaszewicz H Bielarczyk

Acetyl-CoA provision to the synaptoplasmic compartment of cholinergic nerve terminals plays a regulatory role in the synthesis of acetylcholine. The disturbances in glucose utilization and in decarboxylation of the end product of its metabolism pyruvate, are considered to be significant factors causing cholinergic deficits in several diseases of the central nervous system. In this article we re...

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