In 2007, the clinical and research profile of illusions, hallucinations, delusions and related
symptoms in Parkinson disease (PD) was raised with the publication of a consensus …

Agitation is a behavioral syndrome characterized by increased, often undirected, motor
activity, restlessness, aggressiveness, and emotional distress. According to several …

One of the most devastating nonmotor manifestations of PD is dementia. There are few
established predictors of dementia in PD. In numerous cross‐sectional studies, patients with …

Psychotic symptoms are frequent and disabling in patients with Parkinson's disease (PD).
Methodological issues in the epidemiology of PD associated psychosis (PDP) include …

Patients with Parkinson disease (PD) can experience hallucinations (spontaneous aberrant
perceptions) and illusions (misinterpretations of real perceptual stimuli). Of such …

Hearing voices when nobody speaks or seeing objects no one else sees--hallucinations are
intriguing phenomena that have puzzled clinicians, researchers, and lay people alike for …

Psychotic symptoms in Parkinson's disease (PD) are relatively common and, in addition to
creating a disturbance in patients' daily lives, have consistently been shown to be …

Ophthalmological Features of Parkinson Disease - PMC Back to Top Skip to main content NIH
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Defective visual information processing from both central and peripheral pathways is one of
the suggested mechanisms of visual hallucination in Parkinson's disease (PD). To …

Objective: Idiopathic REM sleep behavior disorder is a parasomnia characterized by dream
enactment and is commonly a prediagnostic sign of parkinsonism and dementia. Since risk …