نتایج جستجو برای: neural mass model

تعداد نتایج: 2720238  

F. Khademi , K. Behfarnia,

In the present study, two different data-driven models, artificial neural network (ANN) and multiple linear regression (MLR) models, have been developed to predict the 28 days compressive strength of concrete. Seven different parameters namely 3/4 mm sand, 3/8 mm sand, cement content, gravel, maximums size of aggregate, fineness modulus, and water-cement ratio were considered as input variables...

Fateme Rajati, Mansour Rezaei, Negin Fakhri, Soodeh Shahsavari,

Background: Gestational diabetes mellitus (GDM) is one of the most common metabolic disorders in pregnancy, which is associated with serious complications. In the event of early diagnosis of this disease, some of the maternal and fetal complications can be prevented. The aim of this study was to early predict gestational diabetes mellitus by two statistical models including artificial neural ne...

Journal: :journal of industrial engineering, international 2011
m khashei f mokhatab rafiei m bijari s.r hejazi

computational intelligence approaches have gradually established themselves as a popular tool for forecasting the complicated financial markets. forecasting accuracy is one of the most important features of forecasting models; hence, never has research directed at improving upon the effectiveness of time series models stopped. nowadays, despite the numerous time series forecasting models propos...

Journal: :international journal of information science and management 0
j. mehrad ph.d., president of rlst s. koleini m.s., head, dept. of information technology, rlst

with the increase of the volume of information and the progress in technology, the deficiency of traditional algorithms for fast information retrieval becomes more clear. when large volumes of data are to be handled, the use of neural network as an artificial intelligent technique is a suitable method to increase the information retrieval speed. neural networks present a suitable representation...

ژورنال: علوم آب و خاک 2020

In this study, we used the ARIMA time series model, the fuzzy-neural inference network, multi-layer perceptron artificial neural network, and ARIMA-ANN, ARIMA-ANFIS hybrid models for the modeling and prediction of the daily electrical conductivity parameter of daily teleZang hydrometric station over the statistical period of 49 years. For this purpose, the daily data for the 1996-2004 period we...

2018
Saeed Ahmadizadeh Philippa J Karoly Dragan Nešić David B Grayden Mark J Cook Daniel Soudry Dean R Freestone

We investigate how changes in network structure can lead to pathological oscillations similar to those observed in epileptic brain. Specifically, we conduct a bifurcation analysis of a network of two Jansen-Rit neural mass models, representing two cortical regions, to investigate different aspects of its behavior with respect to changes in the input and interconnection gains. The bifurcation di...

Journal: :jundishapur journal of health sciences 0
maryam farhadian department of biostatistics, school of public health, hamadan university of medical sciences, hamadan, ir iran hossien mahjub mohsen aliabadi department of occupational health, school of public health, hamadan university of medical sciences, hamadan, ir iran saeed musavi department of biostatistics, school of public health, hamadan university of medical sciences, hamadan, ir iran mehdi jalali department of occupational health, school of public health, hamadan university of medical sciences, hamadan, ir iran

the work exposure conditions such as dust concentration, exposure time, use of respiratory protection devices and smoking status are effective to cause pulmonary function disorder. the objective of this study was prediction of pulmonary disorders in workers exposed to silica dust using artificial neural networks and logistic regression. a sample of 117 out of 150 workers employed in the stone c...

Journal: :تحقیقات اقتصادی 0
عبدالرسول قاسمی استادیار دانشکده ی اقتصاد دانشگاه علامه طباطبایی علی اصغر بانویی دانشیار دانشکده ی اقتصاد دانشگاه علامه طباطبایی فاطمه آقائی کارشناسی ارشد دانشکده اقتصاد دانشگاه علامه طباطبایی

forecasting of macroeconomic variables has specific importance in economic topics. indeed, different models are invented to forecast variables to help economic policy makers in adopting appropriate monetary and fiscal policies. in this paper, the performance of integrated model of input-output (io) and neural network is investigated in forecasting final demand and total production and the resul...

Journal: :journal of advances in computer engineering and technology 2015
maryam ashtari mahini mohammad teshnehlab mojtaba ahmadieh khanehsar

neural networks are applicable in identification systems from input-output data. in this report, we analyze thehammerstein-wiener models and identify them. thehammerstein-wiener systems are the simplest type of block orientednonlinear systems where the linear dynamic block issandwiched in between two static nonlinear blocks, whichappear in many engineering applications; the aim of nonlinearsyst...

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