نتایج جستجو برای: functional magnetic resonance imaging

تعداد نتایج: 1267317  

Journal: :basic and clinical neuroscience 0
mehdi behroozi mohammad reza daliri

functional magnetic resonance imaging (fmri) has become the most popular method for imaging of brain functions. currently, there is a large variety of software packages for the analysis of fmri data, each providing many features for users. since there is no single package that can provide all the necessary analyses for the fmri data, it is helpful to know the features of each software package. ...

Journal: :journal of research in medical sciences 0
hamidreza aghayan masoud soleimani parisa goodarzi abbas norouzi-javidan seyed hasan emami-razavi bagher larijani

nowadays, scientific c findings in the field of regeneration of nervous system have revealed the possibility of stem cell based therapies for damaged brain tissue related disorders like stroke. furthermore, to achieve desirable outcomes from cellular therapies, one needs to monitor the migration, engraftment, viability, and also functional fate of transplanted stem cells. magnetic resonance ima...

Today, neuroscientists are interested in discovering human brain functions through brain networks. In this regard, the evaluation of dynamic changes in functional connectivity of the brain regions by using functional magnetic resonance imaging data has attracted their attention. In this paper, we focus on two model-based approaches, called the exponential weighted moving average model and the d...

Journal: :archives of cardiovascular imaging 0
hossein alibassiri department of cardiovascular medicine, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran azin alizadehasl department of cardiovascular medicine, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran; department of cardiovascular medicine, echocardiography lab, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran. zahra alizadeh sani department of cardiovascular medicine, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran anita sadeghpour department of cardiovascular medicine, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran nahid rezaeian department of cardiovascular medicine, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran mohammadesmaeil rezaei department of cardiovascular medicine, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran

case presentation we present a case with a typical picture of myocarditis but normal echocardiographic findings, the diagnosis of which was confirmed by cardiac mri. discussion in particular, cardiac mri data are useful in borderline cases or in the presence of discrepancy between clinical picture and echocardiographic results. introduction the diagnosis of myocarditis based on a spectrum of fi...

Journal: :iranian journal of neurology 0
payam sariaslani assistant professor, kermanshah university of medical sciences, kermanshah, iran. ali ghanbari assistant professor, fertility and infertility center, kermanshah university of medical sciences, kermanshah, iran parvin ghanbari cardiac rehabilitation center, imam ali hospital, kermanshah university of medical sciences, kermanshah, iran

levamisole is an anthelmintic agent and also immunostimulant drug which is used to treat colorectal cancer. the present study aimed to show accidental consumption of levamisole alone induced multifocal inflammatory leukoencephalopathy. a 53-year-old male was admitted to the neurology department of farabi hospital (kermanshah, iran) with walking inability and recognition disorder. following clin...

Journal: :iranian journal of radiology 0
nagihan inan department of radiology, school of medicine, university of kocaeli, kocaeli, turkey; department of radiology, school of medicine, university of kocaeli, kocaeli, turkey. tel: +90-2623037242, fax: +90-2623038003 arzu arslan department of radiology, school of medicine, university of kocaeli, kocaeli, turkey muhammed donmez department of radiology, school of medicine, university of kocaeli, kocaeli, turkey hasan tahsin sarisoy department of radiology, school of medicine, university of kocaeli, kocaeli, turkey

background imaging plays a critical role not only in the detection, but also in the characterization of lung masses as benign or malignant. objectives to determine the diagnostic accuracy of dynamic magnetic resonance imaging (mri) in the differential diagnosis of benign and malignant lung masses. patients and methods ninety-four masses were included in this prospective study. five dynamic seri...

ژورنال: :مجله دانشکده پزشکی دانشگاه علوم پزشکی تهران 0
مهیار غفوری mahyar ghafoori گروه رادیولوژی دانشگاه علوم پزشکی تهران مریم علیزاده maryam alizadeh گروه رادیولوژی دانشگاه علوم پزشکی تهران جلیل کوهپایه زاده jalil kuhpayehzade گروه پزشکی اجتماعی دانشگاه علوم پزشکی تهران

زمینه و هدف: سرطان پروستات سومین علت مرگ و شایع ترین علت سرطان در مردان مسن است. با توجه به توانایی تشخیصی پایین روش های غربالگری در تشخیص و لوکالیزه کردن تومور، روش های تصویربرداری از جمله magnetic resonance imaging (mri) و diffusion weighted imaging (dwi) در سال های اخیر مورد توجه و استقبال قرار گرفته است. در این تحقیق، ارزش استفاده از dwi برای تشخیص سرطان های پروستات بررسی گردید.روش بررسی: ا...

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: :anatomical sciences journal 0
amir abdolmaleki department of anatomy and cell biology, school of medicine, shahid beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) reza mastery farahani department of anatomy and cell biology, school of medicine shahid beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) seyed kamran ghoreishi department of statistics, faculty of sciences, university of qom, qom, iran.سازمان اصلی تایید شده: دانشگاه قم (qom university) fatemeh shaerzadeh department of physiology, faculty of medicine, hormozgan university of medical sciences, bandar abbas, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی هرمزگان (hormozgan university of medical sciences) abbas aliaghaei department of anatomy and cell biology, school of medicine, shahid beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) seyyed hossein mirjavadi advanced diagnostic and interventional radiology research center, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)

introduction: interhemispheric transmission of signal is done by corpus callosum (cc) as the largest fiber tract in brain. cc comprised 5 segments of rostrum, genu, body, isthmus, and splenium. contradictory reports exist about sexual dimorphism of cc. we designed this study to assess probable sexual differences of cc and its different parts in men and women. methods: we analyzed magnetic reson...

Journal: :anatomical sciences journal 0
bahador shojaei department of basic sciences, faculty of veterinary medicine, shahid bahonar university of kerman, kerman, iran. hadi tavakoli department of clinical sciences, faculty of veterinary medicine, shahid bahonar university of kerman, kerman, iran.سازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university) mohammad javad aghasizade faculty of veterinary medicine, shahid bahonar university of kerman, kerman, iran.سازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university) hamed reza sayyah badkhor kowsar mri center, imam reza hospital, mashhad, iran.سازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university)

introduction: the magnetic resonance imaging (mri) technique permits to monitor the development of the embryo in vivo without causing any developmental defects. although increasing application of mri imaging are predicted in veterinary sciences, there is little information available about mri studies of avian embryos and their eggs. the objective of the present study was to evaluate the ostrich...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید