Code and data for the hierarchical drift diffusion modelling for the following study:
O'Callaghan C, Hall JM, Tomassini A, Muller AJ, Walpola IC, Moustafa AA, Shine JM, Lewis SJG. Visual Hallucinations Are Characterized by Impaired Sensory Evidence Accumulation: Insights From Hierarchical Drift Diffusion Modeling in Parkinson’s Disease. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging. 2017;2(8):680-688.