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

… A total of 99 episodes were encountered in 93 patients (72 with Parkinson's disease and
21 with secondary parkinsonism); one patient had four recurrences of MS and three patients …

Increasing recognition that Parkinson's disease (PD) may start outside of the substantia nigra
has led to a rapidly expanding effort to define prodromal stages of PD, before motor signs …

… major sleep disorders in patients with Parkinson’s disease (… disorders, and assess the
relationship of those disorders with … was performed involving 88 consecutive patients with PD from …

… Emotional and cognitive disorders are common in Parkinson's disease, but are … of Parkinson's
disease, based on the neurologic and psychiatric assessment of hundreds of patients by …

… Of the behavioural disorders in PD, mood disorders are amongst the most common and can
… Prevalence of anxiety disorders and anxiety subtypes in patients with Parkinson’s disease. …

Introduction Clinical presentation and progression of cognitive disorders in Parkinson's
disease (PD) is heterogeneous. Our objective was to confirm prospectively a previous …

… James Parkinson noted disorders of sleep in the late stages of Parkinson's disease (PD)
in … Nonetheless, PD has been predominantly considered a motor disorder consisting of the …

… Sleep disorders (SD) are one of the most frequent non-motor manifestations of
Parkinson's disease (PD). Recent studies showed that SD may precede the onset of PD. …

… 37 A number of studies have examined anxiety in patients Parkinson’s disease with on-off
symptoms; these have found that patients have more anxiety in the off state than in the on state…