The limbic system describes a complex of brain structures central for memory, learning, as
well as goal directed and emotional behavior. In addition to pathological studies, recent …

Parkinson disease (PD) psychosis (PDP) is a spectrum of illusions, hallucinations and
delusions that are associated with PD throughout its disease course. Psychotic phenomena …

Structural hippocampal abnormalities are common in many neurological and psychiatric
disorders, and variation in hippocampal measures is related to cognitive performance and …

Objective Psychosis is one of the most debilitating complications of Parkinson disease (PD).
Although research on PD psychosis has been focused on the study of well-structured visual …

Background: Parkinson's disease (PD) is a prevalent neurodegenerative disease that is
pathologically described as a six-stage α-synucleinopathy. In stage 4, α-synuclein reaches …

Visual hallucinations (VH) are common in Parkinson's disease and dementia with Lewy
bodies, two forms of Lewy body disease (LBD), but the neural substrates and mechanisms …

Background Previous neuroimaging findings have demonstrated the association between
anhedonia and the hippocampus. However, few studies have focused on the structural …

Parkinson's disease (PD) is the second most common neurodegenerative disease seen in
older adults after Alzheimer's disease, with increasing prevalence worldwide. Parkinson's …

Low hippocampal volume is a consistent finding in schizophrenia and across the psychosis
spectrum. However, there is a lack of studies investigating longitudinal hippocampal …

Depression is one of the common non-motor symptoms of Parkinson's disease (PD). In the
clinic, botulinum neurotoxin A (BoNT/A) has been used to treat depression. In this study, we …