The etiology of Parkinson's disease (PD) is not well understood but likely to involve both
genetic and environmental factors. Incidence and prevalence estimates vary to a large …

Though the most recognizable symptoms of Parkinson's disease (PD) are motor-related,
many patients also suffer from debilitating affective symptoms that deleteriously influence …

BACKGROUND: Depression is common in Parkinson's disease (PD) and contributes
significantly to a reduced quality of life in PD patients. The determinants of depression in PD …

Depression and anxiety are common in Parkinson′ s disease (PD) and have important
consequences on quality of life. These have long been recognized as frequent …

In addition to motor symptomatology, idiopathic Parkinson's disease is characterized by
emotional dysfunction. Depression affects some 30 to 40 percent of Parkinson patients and …

Depression is one of the most common non-motor symptoms of Parkinson's disease (PD)
with a large negative impact on the quality of life. Factors such as disease stage, subtype of …

Depression is the most common neuropsychiatric co-morbidity in Parkinson's disease (PD).
The underlying mechanism of depression in PD is complex and likely involves biological …

Parkinson's disease (PD) is a common disorder in which the primary features can be related
to dopamine deficiency. Changes on structural imaging are limited, but a wealth of …

Several studies have suggested that a variety of non-motor symptoms (NMS) frequently
antedate the development of the classical motor symptoms in Parkinson's disease (PD) …

The behavioral and cognitive features of the leucine‐rich repeat kinase G2019S mutation in
Parkinson's disease in the Ashkenazi Jewish population are not well described; therefore …