Although nonmotor symptoms are increasingly recognized as key features in Parkinson's
disease (PD), the occurrence and severity of autonomic and sensory symptoms in patients …

Nonmotor symptoms (NMS) are increasingly recognized as important and neglected aspects
of Parkinson's disease (PD). We evaluated their relative frequency and comparative impact …

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 …

Nonmotor symptoms (NMS) are increasingly recognized as a significant cause of morbidity
in later stages of Parkinson's disease (PD). Prodromal NMS are also a well recognized …

Nonmotor symptoms (NMS) in Parkinson's disease (PD) can precede onset of motor
symptoms. Relationship between premotor symptoms onset and motor features is limited …

In a recent study we identified abnormal salivation, dysphagia, nausea, constipation, and
defecatory dysfunction as those gastrointestinal (GI) symptoms associated with Parkinson …

The objective of this study is to evaluate psychiatric symptoms in Parkinson's disease (PD)
patients and to assess their relation with other clinical aspects of PD. Psychotic symptoms …

Many patients with Parkinson's disease (PD) have clinically significant anxiety, depression,
fatigue, sleep disturbance, or sensory symptoms. The comorbidity of these nonmotor …

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 …

Recognition has grown regarding the importance of nonmotor dysfunction in the setting of
Parkinson's disease. Autonomic involvement, including gastrointestinal, urinary, and sexual …