Background: Psychotic symptoms, such as delusions and hallucinations, are part of the clinical picture of several conditions presenting movement disorders. Phenomenology and epidemiology of psychosis in Parkinson's disease ...

Background: We assessed the clinimetric properties of ataxia rating scales and functional tests, and made recommendations regarding their use. Methods: A systematic literature search was conducted to identify the ...

Background: Parkin mutations are suspected in early-onset Parkinson's disease with early motor complications, and in pedigrees showing an autosomal recessive pattern. Some compound heterozygous mutations can present with ...

Background Several conditions represented mainly by movement disorders are associated with cardiac disease, which can be overlooked in clinical practice in the context of a prominent primary neurological disorder. Ob ...

Movement disorders is not an area of neurology known to have many clinical emergencies. However, their recognition is very important since urgent care can be needed in these cases. In this chapter we will review the more ...

Purpose: Persons with Huntington's disease (HD) have a high incidence of falls. Autonomic nervous system dysfunction has been reported even in early stages of this disease. To date, there has been no analysis of the ...

Born in Argentina in 1961, Marcelo J. Merello graduated from Buenos Aires University School of Medicine in 1987, where later on he obtained his Ph.D. degree. In Buenos Aires, he completed first, an Internal Medicine residency ...

Introduction: Mutations in presenilin-1 (PSEN1) account for the majority of cases of familial autosomal dominant early-onset Alzheimer's disease (AD) as well as in sporadic forms. Atypical presentations are reported including ...

Background: Hand position for rest tremor evaluation in PD is not standardized. We evaluated the sensitivity and specificity of different hand positions commonly used to evaluate rest tremor. Methods: Twenty patients ...