نتایج جستجو برای: real mci
تعداد نتایج: 536145 فیلتر نتایج به سال:
BACKGROUND Early motor changes associated with aging predict cognitive decline, which suggests that a "motor signature" can be detected in predementia states. In line with previous research, we aim to demonstrate that individuals with mild cognitive impairment (MCI) have a distinct motor signature, and specifically, that dual-task gait can be a tool to distinguish amnestic (a-MCI) from nonamnes...
Introduction Criteria for mild cognitive impairment (MCI) used in many clinical trials are susceptible to "false-positive (FP)" errors that can be avoided by an actuarial psychometric approach. Methods Cluster analysis was applied to baseline neuropsychological test data from 756 MCI participants in the Alzheimer's Disease Cooperative Study donepezil trial. Treatment groups were compared afte...
Submit Manuscript | http://medcraveonline.com criteria for MCI are still debatable, early detection of MCI is invaluable [4]. However, Petersen et al. [5] in 2004 has defined the essential features of these criteria for MCI include, memory complaint reported mostly by an informant, objective memory impairment for age, essentially preserved general cognitive function, and of course, largely inta...
OBJECTIVE To compare gray matter brain volumes in patients diagnosed with subtypes of mild cognitive impairment (MCI) (those with a focal amnestic disorder and those with more diffuse cognitive dysfunction) with those of elderly controls. DESIGN Magnetic resonance imaging volumetric study of MCI subgroups (MCI-amnestic [MCI-A], and MCI-multiple cognitive domain [MCI-MCD]) using a whole brain ...
BACKGROUND Mild cognitive impairment (MCI) and late-life depression are clinical syndromes that often co-occur and may represent an early manifestation of neurodegenerative disease. The present study examined white matter microstructure in patients with MCI with and without a history of major depression compared with healthy controls. METHODS Older adults with MCI and no history of major depr...
BACKGROUND Clinical subtypes of mild cognitive impairment (MCI) may represent different underlying aetiologies. METHODS This European, multicentre, memory clinic based study (DESCRIPA) of non-demented subjects investigated whether MCI subtypes have different brain correlates on MRI and whether the relation between subtypes and brain pathology is modified by age. Using visual rating scales, me...
Background: The value of the mandibulo-canine index (MCI) in gender identification has been proved in some studies in various countries. The goal of our study was to determine the utility of MCI in gender identification in Iran.Methods: This descriptional survey was performed on a group of 18- to 25-year-old Iranian students at the Tehran University of Medical Science. We included 50 males and ...
Background: In this survey the absorbed dose by kidneys, bladder, liver and ovaries with 99mTc-EC (99mTc Ethylene dicysteine) renal scintigraphy was measured and compared with the absorbed dose from 99mTc-DTPA (99mTc - Dietheylne Triamine Penta-Acid), which often is used in renal scintigraphy.Methods: In this applicable study, we used a water phantom with geometrical sizes similar to that o...
BACKGROUND AND OBJECTIVE There are conflicting data relating homocysteine levels to the risk of Alzheimer's disease (AD). We sought to explore whether fasting plasma homocysteine is associated with the risk of mild cognitive impairment (MCI), an intermediate stage to dementia. METHODS Fasting levels of plasma homocysteine were obtained from 678 elderly subjects chosen at random from a cohort ...
There is increasing consensus regarding the importance of operationally defining and measuring functional decline in mild cognitive impairment (MCI). However, few studies have directly examined functional abilities in MCI or its presumed subtypes and, to date, reported findings have been discrepant. Nondemented older adults (n = 120) were administered a comprehensive cognitive battery measuring...
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