نتایج جستجو برای: brain model

تعداد نتایج: 2514126  

Journal: :iranian biomedical journal 0
rakesh kumar sinha yogender aggarwal

serotonin is believed as an important factor in brain function. the role of serotonin in cerebral psycho-patho-physiology has already been well established. however, the function of serotonin antagonist in anesthetized subjects under hyperthermia has not been studied properly. methods: experiments were performed in three groups of urethane-anesthetized rats, such as: (i) control group, (ii) who...

بیگدلی, محمد رضا, رهنما, مهدی,

Background and Objective: Recent studies suggest that sub-lethal ischemia protect the brain from subsequent ischemic injuries. This study was an effort to identify and shed light on the nature of changes in the blood brain barrier permeability and brain edema. Materials and Methods: Rats were divided into four main experimental groups, each of 21 animals. The first group acted as a model of isc...

Behnaz Jafari, Katayou Safari, Khojaste Rahimi Jaberi, Laya Ghahari, Mahmoodreza Madadian, Manouchehr Safari,

Background: Recent studies have shown that bone marrow mesenchymal stem cells (BMSCs) have a putative ability to promote neurogenesis and produce behavioral and functional improvement. Our previous study demonstrated that co-treatment of granulocyte colony-stimulating factor (G-CSF) and BMSCs have beneficial effects on Parkinson's models. The main purpose of this research was to investigate the...

Journal: :basic and clinical cancer research 0
mehdi ranjbaran department of public health, faculty of health, arak university of medical sciences, arak, iran mahmood khodadost department of epidemiology and biostatistics, school of public health, iran university of medical sciences, tehran, iran kamyar mansori department of epidemiology and biostatistics, school of public health, iran university of medical sciences, tehran, iran seyed houssien mousavi jarrahi department of biostatistics, school of public heath, mashhad university of medical sciences, mashhad, iran erfan ayubi department of epidemiology and biostatistics, school of public health and health research institute, tehran university of medical sciences, tehran, iran milad nazarzadeh ilam university of medical sciences, ilam, iran

background : the association of the mobile phone use and risk of brain tumor remains controversial among radiationepidemiologists. methods : we hypothesized if an association between brain tumor and mobile phone use exists, this association will be manifested as a cohort effect (as a proxy of association between mobile phone use and brain tumor) in the incidence rates of brain tumor during the ...

Arezou Eshaghabadi, Hamid Reza Moradi, Sajad Sahab Negah, Zabihollah Khaksar,

Neuroimaging findings have proposed that some brain regions including the precuneus, posterior cingulate, and medial prefrontal cortex play an essential role of a structural core in the brain. Network organization endures rapid alterations in development with changes in axonal synaptic connectivity, white matter volume, and the thickness of corresponding cortical regions. Structural maturation ...

جمشیدی, محمد رضا, فضلی, پرنیان, نقیبی, ترانه,

Background and Objective: Traumatic brain injury is one of the main causes of mortality and morbidity worldwide and the second leading cause of death in Iran. About half of patients with traumatic brain injury have hemoglobin of less than 9 g/dL during the first week of admission. With regard to the secondary damage to brain tissues caused by anemia and blood transfusion complications, we decid...

Introduction: Despite the importance of specialized manpower in leading a country's economy, statistics show the departure of a large number of thinkers in various fields of science who for some reason prefer to live in developed countries to stay in their own country. In fact, brain drain represents the flow of human capital in which skills are transferred. Therefore, in this study, we will ex...

حق نژاد آذر, عادل, خدمتی, سهیلا, شادمان, جواد, پناهپور, حمداله,

 Background and purpose: Sesame oil (SO) is known to have antioxidant and anti-inflammatory properties and may produce protective effects against ischemic stroke-induced brain injuries. We examined the effects of treatment with SO on cerebral infarction and edema in a rat model of ischemic stroke. Materials and methods: Thirty male Sprague Dawley rats were divided into sham, ischemic, and isch...

Introduction: Many theories have been proposed about the etiology of autism. One is related to brain connectivity in patients with autism. Several studies have reported brain connectivity changes in autism disease. This study was performed on Electroencephalogram (EEG) studies that evaluated patients with autism, using functional brain connectivity, and compared them with typically-developing i...

ژورنال: اعتیاد پژوهی 2020

Objective: The aim of this study was to investigate the modeling of behavioral brain systems and emotion dysregulation with psychological vulnerability in substance-dependent individuals in recovery. Method: The present study was descriptive-correlational of structural equation modeling type. The statistical population of this study consisted of all substance-dependent individuals in recovery i...

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