نتایج جستجو برای: neural mass model

تعداد نتایج: 2720238  

2013
Basabdatta Sen Bhattacharya

A novel direction to existing neural mass modeling technique is proposed where the commonly used "alpha function" for representing synaptic transmission is replaced by a kinetic framework of neurotransmitter and receptor dynamics. The aim is to underpin neuro-transmission dynamics associated with abnormal brain rhythms commonly observed in neurological and psychiatric disorders. An existing tha...

Journal: :Applied sciences 2023

Transcranial electrical stimulation (tES) is a non-invasive neuromodulatory technique that alters ongoing neural dynamics by injecting an exogenous current through the scalp. Although tES protocols are becoming more common in both clinical and experimental settings, neurophysiological mechanisms which modulates cortical unknown. Most existing ignore potential effect of phasic interactions betwe...

Journal: :advances in railway engineering,an international journal 2014
mojtaba khorshidi seyed saeed fazel bijan moaveni

in this paper, a neural network model reference adaptive system speed observer is designed, which can be used in speed control of linear induction motors (lims). dynamical equations of lim have been considered accurate. in other words, the end effect and the electrical losses of the motor have been included in the motor equivalent circuit. then equations of the reference model and adaptive mode...

Introduction: cardiovascular diseases are becoming the main cause of mortality and morbidity in most countries. This research goal was to predict the types of heart diseases for more accurate diagnosis by data mining and neural network technics. Method: This research was an applied-survey study and after data preprocessing, three approaches of neural network, decision making tree and Bayes simp...

2011
Jayant P. Menon Renga Aravamudhan

5 Analysis of brain activity reveals the presence of synchronous oscillations 6 over a range of frequencies. These oscillations can be observed using 7 electro-neurological measurements such as electroencephalogram (EEG), 8 magnetoencephalogram (MEG) or electrocorticogram (ECoG) . Further, 9 these rhythms can traverse different connected parts of the brain forming a 10 “system of rhythms”. Thes...

Abbas Babajani-Feremi, Hamid Soltanian-Zad,

An integrated model for magnetoencephalography (MEG) and functional Magnetic Resonance Imaging (fMRI) is proposed. In the proposed model, MEG and fMRI outputs are related to the corresponding aspects of neural activities in a voxel. Post synaptic potentials (PSPs) and action potentials (APs) are two main signals generated by neural activities. In the model, both of MEG and fMRI are related to t...

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