نتایج جستجو برای: brain model

تعداد نتایج: 2514126  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده علوم 1391

in this thesis, we consider a mathematical model of cancer with completely unknown parameters. we study the stability of critical points which are biologically admissible. then we consider a control on the system and introduce situations at which solutions are attracted to critical points and so the cancer disease has auto healing. the lyapunov stability method is used for estimating the un...

Journal: :مجله علوم اعصاب شفای خاتم 0
fatemeh attari a. shefa neuroscience research center, khatam alanbia hospital, tehran, iran. b. department of neuroscience, school of advanced technologies in medicine, tehran university of medical sciences, tehran, iran. gholamreza hassanzadeh a. department of neuroscience, school of advanced technologies in medicine, tehran university of medical sciences, tehran, iran. b. department of anatomy, school of medicine, tehran university of medical sciences, tehran, iran. hadi aligholi a. shefa neuroscience research center, khatam alanbia hospital, tehran, iran. b. department of neuroscience, school of advanced technologies in medicine, tehran university of medical sciences, tehran, iran.

traumatic brain injury resulting road accidents create damage to the brain. the severe brain injury may cause extensive tissue loss of several parenchyma which results in cavities due to primary destruction and secondary injuries such as ischemia and inflammation. recent findings suggest that neuronal precursors in the adult mammalian brain can be a therapeutic target in ischemic brain injuries...

Ata Koohian, Kambiz Kangarlou, Mohammad Hossein Lashkari,

  Purpose: Blast-induced traumatic brain injury (bTBI) is one of the causes of death or permanent   invalidity which can occur unexpectedly in both military and civilian populations. This study   set out to conduct a combined Eulerian-Lagrangian computational analysis of the interaction   between a single planar blast wave and a human head in order to assess the extent of intracranial   shock w...

Journal: :applied biotechnology reports 0
mohammad sadegh hashemzadeh saman ayoubi majded ghalavand mahdi tat zahra pourpak ruhollah dorostkar

cytomegalovirus is the leading viral cause of congenital disease, often producing serious neurological deficits. cmv attacks the developing central nervous system (cns) resulting in serious brain disorders that include microencephaly, epilepsy, deafness, microgyria, mental retardation, sensory loss, motor problems, and psychiatric disturbances. in addition, cmv is a clinically important opportu...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

since its introduction in 1959, translation quality assessment (tqa) has been among the most addressed research topics in translation studies. during recent years, there has been a crucial increase on the study of tqa. various methods have come on scene. although these methods are based on scientific theories, most of them have remained at the level of theory. juliane house’s model is among tho...

Journal: :basic and clinical neuroscience 0
abbas pourhedayat school of engineering-emerging technologies, university of tabriz, tabriz, iran. yashar sarbaz school of engineering-emerging technologies, university of tabriz, tabriz, iran.

introduction: huntington disease (hd) is a progressive neurodegenerative disease which affects movement control system of the brain. hd symptoms lead to patient’s gait change and influence stride time intervals. in this study, we present a grey box mathematical model to simulate hddisorders. this model contains main physiological findings about bg. methods: we used artificial neural networks (a...

Arash Abdi, Behjat Seifi, Fariba Akhondzadeh, Farzaneh Kianian, Kamal Abdolmohammadi, Mehri Kadkhodaee, Mina Ranjbaran,

Background: In the present study, we hypothesized that conditioned medium (CM) derived from mesenchymal stem cells attenuates the brain oxidative stress in sepsis induced by the cecal ligation and puncture (CLP) model. Methods: This study was performed in the Department of Physiology at Tehran University of Medical Sciences from August 2018 to April 2019. Conditioned medium was collected from ...

Journal: :مجله علوم اعصاب شفای خاتم 0
hansdetlef wassmann department of neurosurgery, university hospital münster, münster, germany. bernhard fischer department of neurosurgery, university hospital münster, münster, germany. christoph greiner department of neurosurgery, university hospital münster, münster, germany. johannes wölfer department of neurosurgery, university hospital münster, münster, germany. peter baumann department of neurosurgery, university hospital münster, münster, germany. ali gorji a. department of neurosurgery, university hospital münster, münster, germany. b. shefa neuroscience research center, khatam alanbia hospital, tehran, iran.

formula one legend michael schumacher hit his head severely while skiing on december 29, 2013. he was operated on for brain decompression and left in a coma fighting for life. in such severe brain injury with cerebral contusion and hemorrhage following head trauma, refractory to medical therapy and with increasing cerebral oedema and intracranial pressure, critically low cerebral perfusion can ...

Journal: :trauma monthly 0
esmaeil fakharian trauma research center, kashan university of medical sciences, kashan, ir iran mahdi mohammadzadeh trauma research center, kashan university of medical sciences, kashan, ir iran; trauma research center, kashan university of medical sciences, kashan, ir iran. tel: +98-3155620634; +98-9132632168 shirin behdadmehr trauma research center, kashan university of medical sciences, kashan, ir iran hamid reza sabri trauma research center, kashan university of medical sciences, kashan, ir iran azadeh sadat mirzadeh trauma research center, kashan university of medical sciences, kashan, ir iran javad mohammadzadeh trauma research center, kashan university of medical sciences, kashan, ir iran

objectives the aim of this study was to present the incidence and characteristics of repeated tbi (rtbi) in iranian patients. patients and methods during one year, all admitted tbi patients with prior tbi history were enrolled into the study. in each patient, data such as age, gender, past medical history, injury cause, anatomic site of injury, tbi severity, clinical findings and ct scan findin...

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