Non polar generalization of flat electroencephalography during epileptic seizure

Electroencephalography (EEG) is the recording of brain electric potentials. The EEG works in such a manner that it reads voltage differences on the head, relative to a given point. However, EEG analysis still relies mostly on its visual inspection. Due to the fact that visual inspection is very subj...

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Main Author:	Idris, Amidora
Format:	Thesis
Published:	2012
Subjects:	RC Internal medicine
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id	my-utm-ep.41919
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spelling	my-utm-ep.419192020-07-12T03:21:00Z Non polar generalization of flat electroencephalography during epileptic seizure 2012 Idris, Amidora RC Internal medicine Electroencephalography (EEG) is the recording of brain electric potentials. The EEG works in such a manner that it reads voltage differences on the head, relative to a given point. However, EEG analysis still relies mostly on its visual inspection. Due to the fact that visual inspection is very subjective and hardly allows any statistical analysis or standardization, this study presented a method for mapping EEG signals onto a cube, namely Non-Polar CEEG, which is a mapping between two nontrivial manifolds where the domain is non-polar. By using the mapping, the clustering can be performed on the real time EEG data obtained from the patient who suffers from epileptic seizure. With this technique, information about the dynamics of this recorded EEG signal from a few observations can thus be extracted. Non- Polar CEEG preserves information of recorded EEG signal as well as the location of sensors, free of the 10-20 international system have been designed and mathematically proven. The method also includes revealing the location where the most electrical activities occur in spite of fixed locations of EEG sensors which give a better 3D visualization during seizure attacks. Finally, two major applications of the technique to verify this model are presented, namely the Psychometric-EEG signal identification for epileptic patients, and the Speech-EEG signal analysis for Japanese-Spanish speakers. In Psychometric-EEG signal identification, Non-Polar CEEG successfully identified that most electrical activities in the patient’s brains during a seizure occurred in the same areas of their brains obtained from their psychometric tests. On the other hand, results from Non-Polar CEEG also agreed with Functional Magnetic Resonance Imaging (fMRI) results in localization of the speech area of the brain of Japanese-Spanish speakers. With these, Non-Polar CEEG technique has a great potential and remarkable ability in other fields in particular detecting brain activity non-invasively especially in medical analysis. This powerful and novel method has provided a framework that unifies the great diversity of EEG observations and analysis towards understanding epilepsy disorder and other possibilities 2012 Thesis http://eprints.utm.my/id/eprint/41919/ http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:77430?queryType=vitalDismax&query=Non+polar+generalization+of+flat+electroencephalography&public=true phd doctoral Universiti Teknologi Malaysia, Faculty of Science Faculty of Science
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
topic	RC Internal medicine
spellingShingle	RC Internal medicine Idris, Amidora Non polar generalization of flat electroencephalography during epileptic seizure
description	Electroencephalography (EEG) is the recording of brain electric potentials. The EEG works in such a manner that it reads voltage differences on the head, relative to a given point. However, EEG analysis still relies mostly on its visual inspection. Due to the fact that visual inspection is very subjective and hardly allows any statistical analysis or standardization, this study presented a method for mapping EEG signals onto a cube, namely Non-Polar CEEG, which is a mapping between two nontrivial manifolds where the domain is non-polar. By using the mapping, the clustering can be performed on the real time EEG data obtained from the patient who suffers from epileptic seizure. With this technique, information about the dynamics of this recorded EEG signal from a few observations can thus be extracted. Non- Polar CEEG preserves information of recorded EEG signal as well as the location of sensors, free of the 10-20 international system have been designed and mathematically proven. The method also includes revealing the location where the most electrical activities occur in spite of fixed locations of EEG sensors which give a better 3D visualization during seizure attacks. Finally, two major applications of the technique to verify this model are presented, namely the Psychometric-EEG signal identification for epileptic patients, and the Speech-EEG signal analysis for Japanese-Spanish speakers. In Psychometric-EEG signal identification, Non-Polar CEEG successfully identified that most electrical activities in the patient’s brains during a seizure occurred in the same areas of their brains obtained from their psychometric tests. On the other hand, results from Non-Polar CEEG also agreed with Functional Magnetic Resonance Imaging (fMRI) results in localization of the speech area of the brain of Japanese-Spanish speakers. With these, Non-Polar CEEG technique has a great potential and remarkable ability in other fields in particular detecting brain activity non-invasively especially in medical analysis. This powerful and novel method has provided a framework that unifies the great diversity of EEG observations and analysis towards understanding epilepsy disorder and other possibilities
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Idris, Amidora
author_facet	Idris, Amidora
author_sort	Idris, Amidora
title	Non polar generalization of flat electroencephalography during epileptic seizure
title_short	Non polar generalization of flat electroencephalography during epileptic seizure
title_full	Non polar generalization of flat electroencephalography during epileptic seizure
title_fullStr	Non polar generalization of flat electroencephalography during epileptic seizure
title_full_unstemmed	Non polar generalization of flat electroencephalography during epileptic seizure
title_sort	non polar generalization of flat electroencephalography during epileptic seizure
granting_institution	Universiti Teknologi Malaysia, Faculty of Science
granting_department	Faculty of Science
publishDate	2012
_version_	1747816648940716032

Non polar generalization of flat electroencephalography during epileptic seizure

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