Review Article

Mini Review: Anticholinergic Activity as a Behavioral Pathology of Lewy Body Disease and Proposal of the Concept of “Anticholinergic Spectrum Disorders”

Figure 3

At the stage of AA appearance, which corresponds to the early stage of LBD, HPA axis hyperactivity reaches a critical level and induces AA. In the early stage of LBD, symptoms related to AA develop, including psychotic symptoms such as visual hallucinations, delusions, and diurnal rhythm disturbances. These symptoms are similar to those of delirium and are included as the core symptoms of the diagnostic criteria.