Volume 17 (2023)
Volume 16 (2022)
Volume 15 (2021)
Volume 14 (2020)
Volume 13 (2019)
Volume 12 (2018)
Volume 11 (2017)
Volume 10 (2016)
Volume 9 (2015)
Volume 8 (2014)
Volume 7 (2013)
Volume 6 (2012)
Volume 5 (2011)
Volume 4 (2010)
Volume 3 (2009)
Volume 2 (2008)
Volume 1 (2007)
Volume -2 (2005)
Volume -1 (2004)
Neural Engineering / Neuroengineering / Brain Engineering
Decoding of Visual Attention using Cross Frequency Coupling from Local Field Potential Signals

Mohammad Reza Nazari; Mohammad Reza Daliri; Ali Motie Nasrabadi

Volume 16, Issue 1 , May 2022, , Pages 51-62

  Visual attention as a cognitive factor plays a significant role in the processing of higher-order mental information that happens in the brain and affects brain activity in various areas of the visual cortex. Among the various recording systems, local field potentials, due to their stability, robustness, ...  Read More

Biomedical Signal Processing / Medical Signal Processing / Biosignal Processing
Representation of Functional Connectivity of Brain Regions from EEG Signals for Investigating the Discrimination in Temporal Patterns of Visual Events

Tahereh Taleei; Ali Motie Nasrabadi

Volume 15, Issue 4 , March 2022, , Pages 341-353

  To interact with such an ever-changing environment in which we live, our brain requires to continuously generate and update expectations about relevant upcoming events and their estimation for the corresponding sensory and motor responses. The goal of this study is to investigate the connectivity in ...  Read More

Biomedical Signal Processing / Medical Signal Processing / Biosignal Processing
Investigation of Non-Linear Functional Connectivity in Alzheimer’s Disease utilizing Resting State fMRI Data and Graph Theory

Hessam Ahmadi; Emad Fatemizadeh; Alimotie Nasrabadi

Volume 14, Issue 3 , October 2020, , Pages 235-249

  Functional Magnetic Resonance Imaging (fMRI) is a non-invasive neuroimaging technique for analyzing the brain functions through low-frequency fluctuations called the Blood-Oxygen-Level-Dependent (BOLD) signals. Measurement of the functional connectivity in brain networks is usually done by the fMRI time-series ...  Read More

Biomedical Signal Processing / Medical Signal Processing / Biosignal Processing
Investigation of Positive, Negative and Neutral Emotion’s determinism through EEG signal processing in extracted component of ICA

Mehdi Abdossalehi; Ali Motie Nasrabadi; Seyed Mohammad Firouzabadi

Volume 7, Issue 2 , June 2013, , Pages 143-153

  In this study, electroencephalogram (EEG) signals have been analyzed in positive, negative and neutral emotions. Here it is supposed that the brain has different independent sources during an emotional activity which will be extractable by Independent Component Analysis (ICA) algorithm. For resolving ...  Read More

The effect of ELF Magnetic fields on Nonlinear features of Helix Aspersa’s Neurons

Hadi Tavakoli; Ali Motie Nasrabadi; Seyed Mohammad Firouzabadi; Mehri Kaviyani Moghaddam

Volume 6, Issue 2 , June 2012, , Pages 123-131

  During recent years, the environment has been enormously changed by the wide range of magnetic fields. Therefore, comprehensive studies are being done for investigating their biological effects. The effects such as inhibition of bioelectric activity of neurons which is shown by evidence, like decreasing ...  Read More

Biomechanical Motor Control / Motor Control of Human Movement
Analysis of Postural Control System Degeneration Using an Inverted Pendulum Model with PID Controller and Delayed Feedback

Hamed Ghomashchi; Ali Esteki; Ali Motie Nasrabadi; Fereydoun Nowshiravan Rahatabad

Volume 4, Issue 3 , June 2010, , Pages 177-185

  In this study a simple inverted pendulum model with PID controller and delayed feedback is used to model standing-still postural control system for the purpose of achieving useful information about its underlying control structure. Using the Genetic algorithm and an experimental study results, the model ...  Read More

Biomedical Signal Processing / Medical Signal Processing / Biosignal Processing
Processing Of EEG Signal To Analyze The Relation Of The Hypnotizability And Activation Of Brain’s Hemispheres And Frontal-Back Lobes In Hypnosis

Sorour Behbahani; Ali Motie Nasrabadi

Volume 4, Issue 1 , June 2010, , Pages 53-64

  The analysis of EEG signals plays an important role in a wide range of applications, such as psychotropic drug research, sleep studies, seizure detection and hypnosis processing. From years ago hypnosis was known as a method to help the patients in different fields such as reduction of stress, leaving ...  Read More

Rehabilitation Engineering
Evaluation of Dynamical Structure of Postural Balance Control System During Quiet Standing in Normal and C.V.A Subjects

Hamed Ghomashchi; Ali Esteki; Ali Motie Nasrabadi

Volume 2, Issue 2 , June 2008, , Pages 95-107

  In this study, the underlying dynamics of postural control system during quiet standing were investigated. Single-subject (SS) analysis was used as the statistical technique to compare the results. Center of pressure (COP) trajectories of 21 trials of a standing healthy subject and 24 trials of a cerebrovascular ...  Read More