Figure 1
From: Variable rather than extreme slow reaction times distinguish brain states during sustained attention

Two alternative hypotheses and exGaussian distributions. (a) Illustration of large variance hypothesis. (b) Illustration of long tail hypothesis. (c) exGaussian distributions with different μ (μ = {0, 1, 2, 3}, σ = 1, τ = 1). (d) exGaussian distributions with different σ (μ = 0, σ = {0.25, 0.50, 0.75, 1.0}, τ = 1). (e) exGaussian distributions with different τ (μ = 0, σ = 1, τ = {1, 2, 3, 4}).