Lévy flights is a particular exemplar of the generalised random walk processes, in which the
jump lengths are drawn from a power-law asymptote ($\alpha $-stable) distribution. While
employing this heavy-tailed distribution for accumulation noise within the diffusion decision
model framework provides improved fitting performance over the standard Gaussian
accumulation noise, the Lévy flight model contains two key limitations. Specifically, the use
of the diffusion framework limits the model to only being applicable to two alternative …

Lévy flights is a particular exemplar of the generalised random walk processes, in which the
jump lengths are drawn from a power-law asymptote ($\alpha $-stable) distribution. While
employing this heavy-tailed distribution for accumulation noise within the diffusion decision
model framework provides improved fitting performance over the standard Gaussian
accumulation noise, the Lévy flight model contains two key limitations. Specifically, the use
of the diffusion framework limits the model to only being applicable to two alternative …