The prevalence of psychiatric symptoms before the diagnosis of Parkinson's disease in a nationwide cohort: A comparison to patients with cerebral infarction.
Szabolcs SzatmáriAndrás AjtayFerenc OberfrankBalázs DobiDániel BereczkiPublished in: PloS one (2020)
The higher rate of psychiatric morbidity in the premotor phase of PD may reflect neurotransmitter changes in the early phase of PD.