Figure 3. Significant correlations exist between the size s_i and the following quiet time Δt_i.

The quantity δP(s_i < s₀, Δt_i < t₀) as a function of s₀ for different values of t₀ and different conditions, non-driven, driven and disinhibited (PTX). The bar on each data point is 2σ(s_i < s₀, Δt_i < t₀). Each curve represents an average over all experimental samples in a given condition. (a) Normal; (b) Driven; (c) Disinhibited. Insets: The ratio δP(s_i < s₀, Δt_i < t₀)/σ as a function of s₀ for different values of t₀; dashed lines delimit the interval (−2, 2). In most cases δP(s_i < s₀, Δt_i < t₀)/σ is much larger than 2. Therefore these results are significant at a level generally lower than 0.05 and give solid evidences of correlations between avalanches and following quiet times.