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Detrended Fluctuation Analysis.

By Erika E. Rodríguez (340943), Enrique Hernández-Lemus (286050), Benjamín A. Itzá-Ortiz (340944), Ismael Jiménez (340945) and Pablo Rudomín (340946)


<p><b>A.</b> Classical DFA computed for spontaneous spinal activity (SSA). In 10 experiments spontaneous CDPs (Cord Dorsum Potentials) recorded from a single spinal segment under initial conditions showed a Hurst exponent value of DFA- = 1.040.09 (mean sd). The recordings of single segments were among L3 through S1 depending on the experiments protocol. The R line averaged was 0.98. See text for details. <b>B.</b> The Hurst exponent values ('s) were obtained from mDFA for multiple spinal segments for four lumbar segments in 10 experiments under initial conditions ( = 1.010.06) with a R line = 0.98. Following randomization, the same set of data showed mDFA- = 0.490.01, with an average R for line-fitting higher than 0.99.</p

Topics: Biophysics, Neuroscience, Physiology, Biological Sciences, fluctuation
Year: 2013
DOI identifier: 10.1371/journal.pone.0026449.g002
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Provided by: FigShare
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