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. Author manuscript; available in PMC: 2019 Apr 22.
Published in final edited form as: Nat Neurosci. 2018 Oct 22;21(11):1600–1608. doi: 10.1038/s41593-018-0247-5

Figure 4: Early spontaneous activity exhibits long-range correlations.

Figure 4:

a. Representative z-scored images of early spontaneous activity at P23, seven days prior to EO. b-c. Early spontaneous activity shows hallmarks of mature spontaneous activity, including long-range correlated activity (Pearson’s correlation) (b) and pronounced spontaneous fractures (c). d. The spatial scale of correlations in spontaneous activity (decay constant fit to correlation maxima as function of distance from seed point) is already large early on and changes little across ages. Data points were grouped into four age bins. P denotes postnatal age relative to EO. e. The magnitude of long-range correlations for maxima 2 mm from the seed point is statistically significant at all ages examined (p<0.0001 vs. surrogate data). For d, e: n=10 chronically recorded animals; e: asterisks indicate p<0.0001, actual vs surrogate data; d,e: group data is shown as mean ± SEM.