Analysis of signal fluctuations of Cortical Spreading Depression: Preliminary findings

In this work, we apply Detrended Fluctuation Analysis (DFA) to study the dynamics of electrical cortical activity in rats during the phenomenon of Cortical Spreading Depression (CSD), as well as the periods before and after this phenomenon. The characteristic of CSD is reduced electrical activity th...

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Published in:Physica A 2010-05, Vol.389 (9), p.1869-1873
Main Authors: do Nascimento, Rosângela S., de Araújo, Luiz Henrique G.D., Moraes, Renato B., Barbosa, Catão T.F., Guedes, Rubem C.A., Nogueira, Romildo A., Stošić, Tatijana
Format: Article
Language:English
Subjects:
Bursting
Cortical Spreading Depression
Depression
Detrended Fluctuation Analysis
Dynamic tests
Electrocorticogram
Fluctuation
Rats
Spreading
Spreads
Temporal logic
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cited_by cdi_FETCH-LOGICAL-c335t-48b9a76aa6bba3d73afd10861a76a178ed39e69691144ab93244cd7b23bdec393
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container_issue 9
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container_title Physica A
container_volume 389
creator do Nascimento, Rosângela S.
de Araújo, Luiz Henrique G.D.
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Stošić, Tatijana
description In this work, we apply Detrended Fluctuation Analysis (DFA) to study the dynamics of electrical cortical activity in rats during the phenomenon of Cortical Spreading Depression (CSD), as well as the periods before and after this phenomenon. The characteristic of CSD is reduced electrical activity that occurs and spreads in the cerebral cortex after the application of electrical, chemical or mechanical stimulus. Our results show that the electrocorticogram signal shows long range temporal correlations and scaling behavior, except during the pre-CSD burst phase (significant increase of amplitude provoked by stimulus).
doi_str_mv 10.1016/j.physa.2010.01.010
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subjects Bursting
Cortical Spreading Depression
Depression
Detrended Fluctuation Analysis
Dynamic tests
Electrocorticogram
Fluctuation
Rats
Spreading
Spreads
Temporal logic
title Analysis of signal fluctuations of Cortical Spreading Depression: Preliminary findings
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