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Abstract:

The processing of information by the brain is reflected in dynamical changes of the electrical activity in (i) time, (ii) frequency, and (iii) space. Therefore, the concomitant studies require methods capable of describing the qualitative variation of the signal in both time and frequency. The present work complements the efforts described in Rosso et al. (Physica A 313 (2002) 587), devoted to non-extensive information measures à la Tsallis. Here we show that the notion of complexity, using (1) appropriate information-theory tools (adapted to a non-extensive scenario) and (2) scalp EEG data, provides one with valuable insights into the dynamics of neural activity. In particular, using different complexity measures we detect the presence of states characterized by both order and maximal complexity. © 2002 Elsevier Science B.V. All rights reserved.

Registro:

Documento: Artículo
Título:Brain electrical activity analysis using wavelet-based informational tools (II): Tsallis non-extensivity and complexity measures
Autor:Rosso, O.A.; Martin, M.T.; Plastino, A.
Filiación:Instituto de Cálculo, Ciudad Universitaria, Universidad de Buenos Aires, 1428 Ciudad de Buenos Aires, Argentina
Instituto de Física, Universidad Nacional de La Plata, La Plata, Argentina
Argentina's Natl. Research Council, CONICET, C.C. 727, 1900 La Plata, Argentina
Palabras clave:Complexity; Epileptic seizures; Signal entropy; Time-frequency signal analysis; Wavelet analysis; Brain; Information theory; Neurology; Signal processing; Wavelet transforms; Signal analysis; Electroencephalography
Año:2003
Volumen:320
Página de inicio:497
Página de fin:511
DOI: http://dx.doi.org/10.1016/S0378-4371(02)01529-7
Título revista:Physica A: Statistical Mechanics and its Applications
Título revista abreviado:Phys A Stat Mech Appl
ISSN:03784371
CODEN:PHYAD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03784371_v320_n_p497_Rosso

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Citas:

---------- APA ----------
Rosso, O.A., Martin, M.T. & Plastino, A. (2003) . Brain electrical activity analysis using wavelet-based informational tools (II): Tsallis non-extensivity and complexity measures. Physica A: Statistical Mechanics and its Applications, 320, 497-511.
http://dx.doi.org/10.1016/S0378-4371(02)01529-7
---------- CHICAGO ----------
Rosso, O.A., Martin, M.T., Plastino, A. "Brain electrical activity analysis using wavelet-based informational tools (II): Tsallis non-extensivity and complexity measures" . Physica A: Statistical Mechanics and its Applications 320 (2003) : 497-511.
http://dx.doi.org/10.1016/S0378-4371(02)01529-7
---------- MLA ----------
Rosso, O.A., Martin, M.T., Plastino, A. "Brain electrical activity analysis using wavelet-based informational tools (II): Tsallis non-extensivity and complexity measures" . Physica A: Statistical Mechanics and its Applications, vol. 320, 2003, pp. 497-511.
http://dx.doi.org/10.1016/S0378-4371(02)01529-7
---------- VANCOUVER ----------
Rosso, O.A., Martin, M.T., Plastino, A. Brain electrical activity analysis using wavelet-based informational tools (II): Tsallis non-extensivity and complexity measures. Phys A Stat Mech Appl. 2003;320:497-511.
http://dx.doi.org/10.1016/S0378-4371(02)01529-7