نتایج جستجو برای: brain activity

تعداد نتایج: 1531326  

Journal: :Symmetry 2022

Brain–computer interfaces are an emerging field of medical technology that enable users to control external digital devices via brain activity. Steady-state evoked potential is a type electroencephalogram signal widely used for brain–computer interface applications. Collecting data effort-intensive task requires technical expertise, specialised equipment, and ethical considerations. This work p...

Journal: :journal of advanced medical sciences and applied technologies 0
ali dadras ibb, tehran university deyhim atarod ibb, tehran university ali afrasiabi ibb, tehran university atiye liaghi ibb, tehran university ali naghshineh ibb, tehran university gholam hossein riazi ibb, tehran university

recently, the hypothesis in which memory and information would be stored as magnetic forms in astrocytes is expanding and neuromagnetic interactions between neurons and neighboring astrocytes in neocortex have potential to be the basis of memory formation. it has been proposed that all sorts of information may be maintained in form of neuronal activity-associated magnetic fields (naamfs) and th...

Ali Gorji, Ali Jahanbazi Jahan Abad, Arezou Es'haghabadi, Fatemeh Gholami, Pardis Oliazadeh, Sajad Sahab Negah, Sedigheh Ghasemi,

Traumatic brain injury is considered as one of the main causes of morbidity and mortality worldwide. Apart from primary mechanical injury, Secondary injuries due to inflammation and apoptosis result in great neuronal damage. Current treatments are not able to regenerate the damaged part and prevent future sequels. Using human stem cells with self-assembling scaffolds may be promising in treatme...

Journal: : 2022

The relationship between the activity of brain/behavioral systems and illness anxiety disorder with mediating role intolerance uncertainty

ژورنال: علوم آب و خاک 2007
محمدرضا اکبری, , حسن کرمانشاهی, , نظر افضلی, ,

A feeding trail was conducted to evaluate the effects of diets contaminated with Aflatoxin B1 (AFB1) on the performance and blood enzymes of broiler chickens. In a randomized complete-block design with 4 blocks and 4 treatments, 112 day-old male broiler chicks were divided into 16 groups, 7 chicks per. Treatments consisted of three levels of AFB1 in starter diet (0.4, 0.8, and 1.2 ppm) along wi...

Peroxisomes are single membrane cell organelles with a diversity of metabolic functions. Here we studied the peroxisomal dysfunction and oxidative stress after 3-nitropropionic acid (3-NP) induced neurotoxicity and the possible protective effects of oxytocin. Adult male and female rats were subjected to Oxt and/or 3-NP treatment. The antioxidant enzymes, Superoxide dismutase (SOD) and Catalase ...

Journal: :Frontiers in Neuroscience 2023

Introduction The vagus nerve, the primary neural pathway mediating brain-body interactions, plays an essential role in transmitting bodily signals to brain. Despite its significance, our understanding of detailed organization and functionality vagal afferent projections remains incomplete. Methods In this study, we utilized manganese-enhanced magnetic resonance imaging (MEMRI) as a non-invasive...

Journal: :iranian journal of basic medical sciences 0
majid hassanpour-ezatti department of biology, school of sciences, shahed university, tehran, iran

objective(s):previous studies demonstrated a functional similarity between vertebrate and honey bee nervous systems. the aim of the present study was to compare the effects of heroin and iranian street kerack, a combination of heroin and caffeine, on sensory threshold and locomotor activity in honey bees. materials and methods: all drugs were given orally to honey bees 30 min before each experi...

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