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Abstract:

The traditional way of analyzing brain electrical activity, on the basis of electroencephalography (EEG) records, relies mainly on visual inspection and years of training. Although it is quite useful, of course, one has to acknowledge its subjective nature that hardly allows for a systematic protocol. In the present work quantifiers based on information theory and wavelet transform are reviewed. The "relative wavelet energy" provides information about the relative energy associated with different frequency bands present in the EEG and their corresponding degree of importance. The "normalized total wavelet entropy" carries information about the degree of order-disorder associated with a multi-frequency signal response. Their application in the analysis and quantification of short duration EEG signals (event-related potentials) and epileptic EEG records are summarized. © 2007.

Registro:

Documento: Artículo
Título:Entropy changes in brain function
Autor:Rosso, O.A.
Filiación:Chaos and Biology Group, Instituto de Cálculo, Facultad de Ciencias Exactas y Naturales, Pabellon II, Ciudad Universitaria, 1428 Ciudad de Buenos Aires, Argentina
Palabras clave:EEG; Epilepsy; ERP; Signal entropy; Wavelet analysis; analysis; article; brain function; electroencephalography; entropy; epilepsy; event related potential; human; signal processing; spike wave; Acoustic Stimulation; Adult; Algorithms; Brain; Child; Data Interpretation, Statistical; Electroencephalography; Entropy; Epilepsy; Epilepsy, Absence; Evoked Potentials; Evoked Potentials, Auditory; Evoked Potentials, Visual; Humans
Año:2007
Volumen:64
Número:1
Página de inicio:75
Página de fin:80
DOI: http://dx.doi.org/10.1016/j.ijpsycho.2006.07.010
Título revista:International Journal of Psychophysiology
Título revista abreviado:Int. J. Psychophysiol.
ISSN:01678760
CODEN:IJPSE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01678760_v64_n1_p75_Rosso

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Citas:

---------- APA ----------
(2007) . Entropy changes in brain function. International Journal of Psychophysiology, 64(1), 75-80.
http://dx.doi.org/10.1016/j.ijpsycho.2006.07.010
---------- CHICAGO ----------
Rosso, O.A. "Entropy changes in brain function" . International Journal of Psychophysiology 64, no. 1 (2007) : 75-80.
http://dx.doi.org/10.1016/j.ijpsycho.2006.07.010
---------- MLA ----------
Rosso, O.A. "Entropy changes in brain function" . International Journal of Psychophysiology, vol. 64, no. 1, 2007, pp. 75-80.
http://dx.doi.org/10.1016/j.ijpsycho.2006.07.010
---------- VANCOUVER ----------
Rosso, O.A. Entropy changes in brain function. Int. J. Psychophysiol. 2007;64(1):75-80.
http://dx.doi.org/10.1016/j.ijpsycho.2006.07.010