نتایج جستجو برای: شاخص dti

تعداد نتایج: 79409  

Background and Aim: The methods for detecting brain activation with fMRI, MRI provides a way to measure the anatomical connections which enable lightning-fast communication among neurons that specialize in different kinds of brain functions. Diffusion tensor imaging is able to measure the direction of bundles of the axonal fibers which are all aligned. Besides mapping white matter fiber tracts,...

Journal: :Innovation in Aging 2022

Abstract Hospitalized persons with dementia are more likely to be discharged long-term nursing home care as compared without dementia. The desire seek this is due in large part the inability of family partners continue provide at home. This study aimed identify predictors institutionalize (DTI) hospital discharge. A stepwise multiple linear regression was done examine dyad factors among 434 pat...

ژورنال: :فصل نامه علمی پژوهشی مهندسی پزشکی زیستی 2012
هادی صباحی حمید سلطانیان زاده لیزا اسکارپیس تام میکلسن

در این مقاله، روش جدیدی برای پیش بینی نتیجه درمان تومور gbm با استفاده از داروی بواسیزوماب ارائه شده است. در این روش از شاخص های ناهمسانگردی انتشار و اطلاعات مکانی برای پیش بینی پاسخ هر یک از واکسل های ناحیه توموری به درمان استفاده شده است. شاخص های ناهمسانگردی (dai) استفاده شده عبارتند از: ناهمسانگردی جزئی (fa)، متوسط انتشار (md)، ناهمسانگردی نسبی (ra) و نسبت حجمی (vr) که از تصاویر تانسور انتش...

تام میکلسن حمید سلطانیان‌زاده, لیزا اسکارپیس هادی صباحی,

در این مقاله، روش جدیدی برای پیش بینی نتیجه درمان تومور GBM با استفاده از داروی بواسیزوماب ارائه شده است. در این روش از شاخص های ناهمسانگردی انتشار و اطلاعات مکانی برای پیش بینی پاسخ هر یک از واکسل های ناحیه توموری به درمان استفاده شده است. شاخص های ناهمسانگردی (DAI) استفاده شده عبارتند از: ناهمسانگردی جزئی (FA)، متوسط انتشار (MD)، ناهمسانگردی نسبی (RA) و نسبت حجمی (VR) که از تصاویر تانسور انتش...

2017
Luke J. Edwards Kerrin J. Pine Isabel Ellerbrock Nikolaus Weiskopf Siawoosh Mohammadi

The NODDI-DTI signal model is a modification of the NODDI signal model that formally allows interpretation of standard single-shell DTI data in terms of biophysical parameters in healthy human white matter (WM). The NODDI-DTI signal model contains no CSF compartment, restricting application to voxels without CSF partial-volume contamination. This modification allowed derivation of analytical re...

Journal: :Investigaciones Turísticas 2023

Las Ciudades Patrimonio de la Humanidad son destinos turísticos larga tradición y una alta afluencia visitantes. Por otra parte, el “Destino Turístico Inteligente” (DTI) se ha erigido como un nuevo paradigma gestión turística auspiciado por administración en España. En este contexto, presente artículo tiene objetivo profundizar conocimiento e interpretación del modelo DTI que atesoran los grupo...

Journal: :iranian journal of radiology 0
wen quan ding department of hand surgery, ningbo no.6 hospital, ningbo university, ningbo, china jian hui gu department of hand surgery, hand surgery research center, affiliated hospital of nantong university, nantong university, nantong, china yong yuan department of radiology, jiangsu province official hospital, jiangsu jiankang vocational college, nanjing, china dong sheng jin department of radiology, jiangsu province official hospital, jiangsu jiankang vocational college, nanjing, china; department of radiology, jiangsu province official hospital, jiangsu jiankang vocational college, nanjing, china. tel: +86-02583712838-3067, fax: +86-02586631726

results stereoscopic displays of the nerves were obtained in all 24 elbows by vr, mip, and fiber tractography post-processing methods. the vr/mip post-processing methods were easier to perform compared to fiber tractography. there was no significant difference among the scores of fiber tracking and vr/mip reconstruction for single direction. the imaging quality scores of fiber tractography and ...

Journal: :international journal of pediatrics 0
maryam nakhaey moghaddam children and adolescent health research center, zahedan university of medical sciences, zahedan, iran. alireza teimouri children and adolescent health research center, zahedan university of medical sciences noor mohammad noori 1- children and adolescent health research center, zahedan university of medical sciences, zahedan, iran. mahboubeh firouzkoohi children and adolescent health research center, zahedan university of medical sciences, zahedan, iran. fatemeh akbradi rad mashhad university of medical sciences, mashhad, iran.

backgrounddiabetes type i (dti) is one of the most common endocrine disorders during childhood and adolescents in which has strong impact on physical and emotional development of individuals with family members. we aimed to evaluate of stress, anxiety and depression in parents with dti child compared with parents with healthy child.materials and methodsin this case – control study, 60 parents o...

Background and Aim: DTI-based tractography could help us to visualize the spatial relation of fiber tracts to brain lesions. Several factors may interfere with the procedure of diffusion-based tractography, especially in brain tumors. The aim of the current study is to discuss several solutions to improve the procedure of fiber reconstruction adjacent or inside brain lesions. Illustrative cases...

Journal: :Journal Of Geophysical Research: Solid Earth 2022

Nuclear magnetic resonance (MR) (NMR) is commonly used for the determination of rock porosity, as well pore size distribution (PSD) and tortuosity, required to handle hydrocarbon exploitation. Emerging technologies NMR equipment now enable visualization porosity using imaging (MRI). Currently, single-point most common MRI technique employed, but diffusion-weighted has been attracting attention ...

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