In this review, the clinical features of Parkinson's disease, both motor and non‐motor, are
described in the context of the progression of the disease. Also briefly discussed are the …

Depression is one of the most frequent and burdensome non-motor symptoms in
Parkinson's disease (PD), across all stages. Even when its severity is mild, PD depression …

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 …

Falls and freezing of gait are two “episodic” phenomena that are common in Parkinson's
disease. Both symptoms are often incapacitating for affected patients, as the associated …

Prevalence rates of depressive disorders in Parkinson's disease (PD) vary widely across
studies, ranging from 2.7% to more than 90%. The aim of this systematic review was to …

Patients with chronic medical illness have a high prevalence of major depressive illness.
Major depression may decrease the ability to habituate to the aversive symptoms of chronic …

One‐third of the 149 people recruited 15 to 18 years ago in the Sydney Multicenter Study of
Parkinson's disease have survived. The original study compared low‐dose levodopa with …

Parkinson's disease (PD) is a common, debilitating neurodegenerative disease. Gait
disturbances are a frequent cause of disability and impairment for patients with PD. This …

Neuropsychiatric symptoms are common in Parkinson's disease, even at the earliest stages,
and have important consequences for quality of life and daily functioning, are associated …

Depression is a common comorbid condition in Parkinson's disease (PD) and a major
contributor to poor quality of life and disability. However, depression can be difficult to …