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Functional and effective connectivity based features of EEG signals for object recognition by Taban Fami Tafreshi; Mohammad Reza Daliri; Mahrad Ghodousi is a Neuroscience article available to read on EtoBox.

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Classifying different object categories is one of the most important aims of brain-computer interface researches. Recently, interactions between brain regions were studied using different methods, such as functional and effective connectivity techniques. Functional and effective connectivity techniques are applied to estimate human brain areas connectivity. The main purpose of this study is to compare classification accuracy of the most advanced functional and effective methods in order to classify 12 basic object categories using Electroencephalography (EEG) signals. In this paper, 19 channels EEG signals were collected from 10 healthy subjects; when they were visiting color images and instructed to select the target images among others. Correlation, magnitude square coherence, wavelet coherence (WC), phase synchronization and mutual information were applied to estimate functional cortical connectivity. On the other hand, directed transfer function, partial directed coherence, generalized partial directed coherence (GPDC) were used to obtain effective cortical connectivity. After feature extraction, the scalar feature selection methods including T-test and one-sided-anova were app

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Author

Taban Fami Tafreshi; Mohammad Reza Daliri; Mahrad Ghodousi

Publisher

Springer Science and Business Media LLC

Published

2019

Language

EN

Field

Neuroscience (Life Sciences)