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. 2010 Sep 28;5(9):e12869. doi: 10.1371/journal.pone.0012869

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Safonov et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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The values that quantify the non-Gaussianity are plotted against a non-dimensional scale (number of ISI's) ranging from s = 4 to s = 582. The solid and dashed black lines represent values calculated from spike trains during sleeping and waking, respectively. The blue lines represent values calculated from spike trains of which the ISI's have been randomly shuffled. Five neurons, #17 (A), #3 (B), #16 (C), #11 (D) and #44 (E), were taken as examples. The non-Gaussianity calculated from a Poissonian spike train is shown as a reference in purple in (A). The non-dimensional maximum scale s = 1000 corresponds with the time scale through individual mean firing rates of neurons. The corresponding time scales are 120s (sleeping) and 130s (waking) for #17, 420s (sleeping) and 630s (waking) for #3, 450s (sleeping) and 590s (waking) for #16, 630s (sleeping) and 430s (waking) for #11, 500s (sleeping) and 590s (waking) for #44.

Inline graphic — The values that quantify the non-Gaussianity are plotted against a non-dimensional scale (number of ISI's) ranging from s = 4 to s = 582. The solid and dashed black lines represent values calculated from spike trains during sleeping and waking, respectively. The blue lines represent values calculated from spike trains of which the ISI's have been randomly shuffled. Five neurons, #17 (A), #3 (B), #16 (C), #11 (D) and #44 (E), were taken as examples. The non-Gaussianity calculated from a Poissonian spike train is shown as a reference in purple in (A). The non-dimensional maximum scale s = 1000 corresponds with the time scale through individual mean firing rates of neurons. The corresponding time scales are 120s (sleeping) and 130s (waking) for #17, 420s (sleeping) and 630s (waking) for #3, 450s (sleeping) and 590s (waking) for #16, 630s (sleeping) and 430s (waking) for #11, 500s (sleeping) and 590s (waking) for #44.