An Epidemiological Survey of Sense Presence in Parkinson’s Disease

Sense of presence’ is commonly experienced by people with Parkinson’s disease but has not been well-described. This study aims to further understand this symptom in Parkinson’s patients, focusing on how commonly it occurs and whether it occurs more commonly in some groups rather than others, whilst also making comparisons with the same symptom in other psychiatric conditions such as schizophrenia.