نتایج جستجو برای: شاخص vci
تعداد نتایج: 74925 فیلتر نتایج به سال:
Abstract Objective Many have examined the relationship between intellectual functioning (IQ) and suicidality in children adolescents. However, no study to date has investigated how discrepancies verbal nonverbal IQ may influence suicide risk This used a sample of patients hospitalized on an adolescent psychiatric unit compare number lifetime attempts (SA) among those with ≥ 22-point difference ...
Moyamoya disease (MMD) in adult patients is commonly accompanied by vascular cognitive impairment (VCI). The mechanism behind is still unclear and has been related to its hemodynamic disturbances. Surgical revascularization seems to be the only efficacious way to maintain the cognitive outcome, while problems such as the selection of operation indications and timing, and the long-term efficacy ...
This feature article discusses some selected aspects in the field of vibrational structure calculations based on vibrational self-consistent field, VSCF, and vibrational configuration interaction, VCI, theory. As the quality of such calculations depends strongly on the accuracy of the underlying multidimensional potential energy surface, PES, some techniques will be discussed to establish high-...
هدف این مطالعه، ردیابی و تحلیل اثرهای محیطی خشکسالیها بوسیله شاخصهای سنجش از دور در منطقه بیابانی و خشک کاشان است. تغییرات زمانی خشکسالیها با استفاده از شاخص Z نرمال در دو مقیاس سالانه و فصلی (بهار)، بررسی شد. دادههای طیفی و حرارتی از سری دادههای ماهواره NOAA-AVHRR بین سالهای 1998 و 2004 جهت استخراج شاخصهای مرتبط با خشکسالی استفاده گردید. شاخصهای خشکسالی بر مبنای وضع پوشش گیاهی و دمای د...
BACKGROUND The Consortium to Investigate Vascular Impairment of Cognition (CIVIC) is a Canadian, multi-centre, clinic-based prospective cohort study of patients with Vascular Cognitive Impairment (VCI). We report its organization and the impact of diagnostic criteria on the study of VCI. METHODS Nine memory disability clinics enrolled patients and recorded their usual investigations and care....
Vascular dementia (VaD) is a history-laden disease entity that dates back to the 19th century when arteriosclerotic brain atrophy due to hardening of the arteries was perceived as the major cause of senile dementia. Its existence had been overshadowed by the emergence of Alzheimer's disease (AD) in the past century and research on AD dominated the field of dementia. Interest in VaD has been rev...
Franck-Condon (FC) integrals of polyatomic molecules are computed on the basis of vibrational self-consistent-field (VSCF) or configuration-interaction (VCI) calculations capable of including vibrational anharmonicity to any desired extent (within certain molecular size limits). The anharmonic vibrational wave functions of the initial and final states are expanded unambiguously by harmonic osci...
Drought is a complex phenomenon that has severe impacts on the environment. Vegetation and its conditions are very sensitive to drought effects. This study aimed monitor assess severity relationships some ecological variables in ten districts of Erbil Governorate (Kurdistan Region), Iraq, throughout 20 years (1998-2017). The results revealed droughts frequently hit period. Landsat time-series- ...
Background: Previously, we reported on vascular cognitive impairment (VCI) templates, consisting of patients with VCI associated with carotid stenosis (>60%) using a quantitative electroencephalographic (EEG) technique called neuronal activity topography (NAT). Here using the VCI templates, we investigated the hypothesis that internal carotid artery-intima-media thickness (ICA-IMT) is associate...
Gradual Carotid Artery Stenosis in Mice Closely Replicates Hypoperfusive Vascular Dementia in Humans
BACKGROUND Existing rodent models of vascular cognitive impairment (VCI) show abrupt changes in cerebral blood flow (CBF) and do not reliably replicate the clinical pathogenesis of VCI. We therefore aimed to develop a mouse model of VCI where CBF is gradually reduced, followed by subsequent progressive motor and cognitive impairment, after surgical intervention. METHODS AND RESULTS Adult C57B...
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