Hallucinations in Parkinson's disease: prevalence, phenomenology and risk factors.

Hallucinations, mainly of a visual nature, are considered to affect about one-quarter of patients with Parkinson's disease. They are commonly viewed as a side-effect of antiparkinsonian treatment, but other factors may be involved. The aim of this study was to determine the phenomenology, prevalence and risk factors of hallucinations in Parkinson's disease.

[Epilepsy, cerebral calcifications and celiac disease].

Epilepsy, frequently with complex partial seizures, is observed in 5.5 p. 100 of all cases of celiac sprue.