Nonmotor symptoms (NMS) of Parkinson's disease (PD) are not well recognized in clinical
practice, either in primary or in secondary care, and are frequently missed during routine …

Non‐motor symptoms (NMS) in Parkinson's disease (PD) are common, significantly reduce
quality of life and at present there is no validated clinical tool to assess the progress or …

Patients suffering from Parkinson's disease (PD) will typically experience a range of motor
and nonmotor symptoms during the course of their illness, each of which will affect a …

Background: Before the occurrence of motor symptoms permits the clinical diagnosis of
Parkinson's disease (PD), about or even more than 50% of the dopaminergic neurons of the …

We performed a multicenter survey using a semistructured interview in 1,072 consecutive
patients with Parkinson's disease (PD) enrolled during 12 months in 55 Italian centers to …

Abstract Background: Nonmotor symptoms in Parkinson's disease are frequent and affect
health‐related quality of life of patients. The severity and domains of nonmotor symptoms …

This document presents the Movement Disorder Society Clinical Diagnostic Criteria for
Parkinson's disease (PD). The Movement Disorder Society PD Criteria are intended for use …

Pathological and neuroimaging studies have shown that in Parkinson's disease (PD) there
is a “subclinical” or “premotor” period during which dopaminergic neurons in the substantia …

This article describes research criteria and probability methodology for the diagnosis of
prodromal PD. Prodromal disease refers to the stage wherein early symptoms or signs of PD …

Mild Parkinsonian signs (MPS) include gait and balance changes, rigidity, bradykinesia, and
tremor. MPS can occur commonly during the clinical examination of older people who do not …