Search Results - "Hashemi Golpayegani, Seyed Mohammad Reza"
-
1
Different synaptic connections evoke different firing patterns in neurons subject to an electromagnetic field
Published in Nonlinear dynamics (01-04-2020)“…The electrical activity of neurons depends on the physiological conditions in the nervous system. An electromagnetic field, for example, can significantly…”
Get full text
Journal Article -
2
Can Lyapunov exponent predict critical transitions in biological systems?
Published in Nonlinear dynamics (01-04-2017)“…Transitions from one dynamical regime to another one are observed in many complex systems, especially biological ones. It is possible that even a slight…”
Get full text
Journal Article -
3
Esophageal epithelium modeling based on globally coupled map: an approach toward precancerous lesion diagnosis
Published in Medical & biological engineering & computing (01-06-2020)“…Esophageal squamous cell carcinoma is the most predominant malignancy of the esophagus. Its histological precursors (dysplasia) emerge in the esophageal…”
Get full text
Journal Article -
4
Does the onset of epileptic seizure start from a bifurcation point?
Published in The European physical journal. ST, Special topics (01-10-2018)“…Detection of epileptic seizures is a major challenge of these days. There are lots of papers which pay their attention to this subject. Recently, some…”
Get full text
Journal Article -
5
One dimensional map-based neuron model: A phase space interpretation
Published in Chaos, solitons and fractals (01-03-2020)“…•A map-based model of a neuron is proposed based on interpretation in phase space.•The model is formulated with the help of the multi-criteria…”
Get full text
Journal Article -
6
Nonlinear dynamic approaches to identify atrial fibrillation progression based on topological methods
Published in Biomedical signal processing and control (01-08-2019)“…•Two topological approaches (fractal dimension and persistent homology) based on HRV phase space geometry was suggested to replicate the changes in AF…”
Get full text
Journal Article -
7
Systemic modeling of chaotic EEG during human sleep
Published in Informatics in medicine unlocked (2023)“…The use of chaos theory in modeling biological signals is becoming increasingly common, especially in EEG signal processing for predicting and detecting…”
Get full text
Journal Article -
8
A non-autonomous system leading to cyclic chaotic sets to model physiological rhythms
Published in Applied mathematics and computation (30-04-2016)“…It is proposed a nonlinear system to model highly complex states of rhythms, whose patterns of activity seem irregular. A non-autonomous system which takes…”
Get full text
Journal Article -
9
Nonlinear analysis of electroencephalogram signals while listening to the holy Quran
Published in Journal of medical signals and sensors (01-04-2019)“…Background: Electrical activity of the brain, resulting from electrochemical signaling between neurons, is recorded by electroencephalogram (EEG). The neural…”
Get full text
Journal Article -
10
Signal separation in an aggregation of chaotic signals
Published in Chaos, solitons and fractals (01-09-2020)“…•It is assumed that the output signals of a chaotic system are aggregated.•A stepwise method is presented for separating the system's outputs, with having the…”
Get full text
Journal Article -
11
Investigation of bifurcations in the behavior of the process equation
Published 01-03-2017“…This paper investigates the different behaviors of the process equation and parameters of their occurrences. The process equation is a multistable one…”
Get full text
Journal Article -
12
Spirituality and brain waves
Published in Journal of medical engineering & technology (01-02-2015)“…Abstract The aim of this study is to investigate the effect of Quran on a Persian-speaking Muslim. Volunteers listened to three different audio files (Verses…”
Get full text
Journal Article -
13
Is there any geometrical information in the nervous system?
Published in Frontiers in computational neuroscience (30-08-2013)“…Since chaotic systems are sensitive to initial conditions (Hilborn, 2000), lots of signals with minimum similarity in time domain could have a same source;…”
Get full text
Journal Article -
14
Can cellular automata be a representative model for visual perception dynamics?
Published in Frontiers in computational neuroscience (01-10-2013)“…According to such paradigm, each stimulus would tend to lead the system to its own “liquid-like attractor” which is different from the other one. Compared to…”
Get full text
Journal Article -
15
On the discrimination of patho-physiological states in epilepsy by means of dynamical measures
Published in Computers in biology and medicine (01-12-2009)“…Abstract In the present paper a number of techniques were applied to determine the effects of epileptic seizure on spontaneous ongoing EEG. The idea is that…”
Get full text
Journal Article -
16
The Role of Complex Stimulation in Dynamics of a Model of Spiking Neurons
Published in 2017 24th National and 2nd International Iranian Conference on Biomedical Engineering (ICBME) (01-11-2017)“…Numerous models has been proposed to provide mathematical representation for neurons following Hodgkin-Huxley research. Among these models, the reduced version…”
Get full text
Conference Proceeding